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Visar 16 av 90 lediga jobb för "Backend-utvecklare"
Rensa sökfilterEmbedded Software Engineer
Mpya Sci & Tech was created by and for people who love technology and science. We’re not here to do what everyone else is doing. We believe that real talent lies in individuals who dare to keep growing throughout their entire lives. With extensive experience and deep industry knowledge, we’ve built a forward-leaning and cutting-edge company—our way. At Mpya Sci & Tech, we believe in a sustainable working life where we build a culture together based on genuine involvement, eager curiosity, and the freedom to be yourself. Learn more at: www.mpyascitech.com . Big ideas. Strong roots. Two years in, and just getting started in the Öresund region! MPYA Sci & Tech is an established company entering an exciting growth phase and we’re now expanding locally. We’re a few passionate team members building something bigger and we’re looking for more talent to grow with us. Mpya Sci & Tech is a company built by engineers – for engineers. We’ve created a workplace where you, as an employee, are always at the center. In everything we do, we strive for a high level of involvement and responsiveness to our employees' thoughts about their future roles and careers. Together, we are building a strong, inclusive, curious, and open-minded culture that offers great opportunities for our team members. We want you to work on assignments that you are passionate about, grow professionally, and maintain a healthy work–life balance. About the role:In this role, you will be employed as a consultant at Mpya Sci & Tech.We have many customers acting in various industries from Medtech to Automotive, Industrial tech, scaleups and small start ups. Our consultants supports our costumers in Active Safety, IoT, Machine Learning, Cybersecurity, 5G, and algorithm development and much more. Your responsibilities may include: Collaborating in an agile product development process with a focus on embedded development Designing, coding, and implementing software features for upcoming products Troubleshooting issues across the Linux stack, from kernel drivers to user applications At Mpya we start from the individual, from you! What is your passion and where you want to develop yourself from here. We might have an assignment that matches, or else we find it together, proactive or when you are ready to get on board. Skills and Experience We're Looking for in this role: To thrive in this role, you should bring a mix of the following skills: Strong programming skills in C and C++ Experience working with Embedded Linux At least 6+ years of experience in embedded systems Understanding of microcontrollers and hardware integration Proficiency in troubleshooting and debugging across software layers Team-oriented with a passion for innovation in a fast-paced environment Fluent in Swedish Professional proficiency in English, both written and verbal It's a bonus if you're interested in or have experience with: Rust RTOS (FreeRTOS, Zephyr, or similar) Working with Yocto Scripting (shell, Python, Perl) Low-level programming Continuous integration MATLAB/Simulink Git, Gerrit, Jenkins, and build tools If you're ready to shape the future of embedded software and technology, we’d love to meet you for an interview. Who are we?At Mpya Sci & Tech, we believe in a sustainable working life, and we’re building a culture where you can: Be Dedicated Be Brave and Curious Be Inclusive and Allowing We believe that real talent lies in those who dare to keep growing throughout life. With deep industry knowledge and years of experience, we’ve built a forward-thinking company – in our own way. Application:Does this sound like the opportunity you’ve been waiting for? Please go ahead and apply!For questions about the position, feel free to contact Talent Advisor Christian Billberg, 0731-489875 or christian.billberg@mpyascitech.comWe look forward to hearing from you!
.NET Software Engineer
Job Purpose: A .NET Developer for Microsoft .net core environment will be responsible for design and development of back-end mission critical part of the sportsbook trading system. Candidate will be actively involved in all phases of software development life cycle; this includes requirements gathering, researching, initial configuration, set up, design, documentation, testing, debugging, updates, ongoing support, integration, maintenance and troubleshooting. Skills & Qualifications: Strong analytical, conceptual, and problem-solving abilities with attention to detail Ability to multi-task and manage multiple assignments in a fast-paced environment Strong ability to analyse business requirements and build according to business specifications Fluent in English Initiative to work independently, but also able to work effectively with team members Flexibility and adaptability to business requirements and priority changes Experience of working in the sports betting industry or finance Knowledge & Experience: Degree or Diploma in Computer Science, Engineering, or Information Systems. 2+ years of development using C# Merit for Experience of developing real-time systems Experience in designing and developing scalable and high-performance distributed systems Experience working on high-consequence production systems Experience of working with Docker and Kubernetes Experience with Redis Experience of working in a CI / CD environment Experience triaging production issues in complex systems
Software Engineer - Backend
SAVR is a fast-growing Swedish fintech company on a mission to reinvent investing. We empower investors with a platform that offers lower fees, greater transparency, and a radically improved experience. We’re not just building another investment service — we’re reimagining how financial products should work for people, not just institutions. As part of our ambitious, innovative and curious team, you’ll help shape the future of investing in Sweden and beyond. The Role As a Software Engineer in our Backend team, you are part of our tech team based in Stockholm or Halmstad. You will be a part of building and developing the next generation investment platform. Your role involves close collaboration with fellow Software Engineers, as well as with Data Scientists, Product Designers and Product Managers. Your Mission Build Software Features in a fast paced environment Drive ideas and develop concepts from a tech perspective Contribute towards improving our tech stack, architecture, and operational methods Collaborate and build high-quality products by following good engineering practices Develop integrations to third-party API's Embrace our learning culture by both receiving and providing feedback, and be open to getting constructive feedback on your code You’ll Thrive in This Role If You... Are a motivated engineer with a passion for software development Recognize the importance of collaboration in order to build a great product, and enjoys engaging with colleagues to exchange ideas and concepts Have 5+ years professional software development experience Are a team player who is open to everyone’s opinions Have experience from working in a scalable, product-based environment Are fluent in English Are either a Swedish citizen or holds a valid EU work permit. Unfortunately, we cannot offer visa sponsorship for this role If you possess a different profile but believe you have relevant skills and can excel in this role, we encourage you to apply and share your motivation with us. Our Cultural DNAAt SAVR, we’re: 🧠 Open-minded – we embrace new ideas, diverse perspectives, and continuous learning 🚀 Bold – we take smart risks, move fast, and aren’t afraid to fail forward 🤝 Honest – we value transparency, feedback, and doing the right thing We’re a startup, so things can be a little messy — and that’s part of the thrill. If you thrive in building as a team and handling uncertainty, you will fit right in. What’s In It for You You’ll join a product- and design-driven company where your work has real impact. We keep things lean, move fast, and genuinely care about the experience we deliver — for customers and for each other. Here’s what we offer: 💻 Top-tier work gear 💰 Competitive salary 🏃♀️ Generous wellness allowance 🤒 Insurance package 🌱 Occupational pension and long-term savings support 🏢 Office-first approach to foster collaboration and quick decision-making — with flexibility when you need it (4+1) 🥗 Stocked pantry, plus regular social gatherings and wellness activities to keep energy and culture high Our Commitment to Diversity SAVR is an equal opportunity employer. We welcome people from all backgrounds, identities, and experiences. We believe diverse teams build better products and are committed to creating an inclusive workplace where everyone can thrive. Ready to Join Us? We’d love to hear from you. Apply now or reach out with any questions — and let’s build something meaningful together.
Staff .NET Developer
What will you do? As a Staff .NET Developer at Rebtel you will serve as the technical guardian and principal individual contributor for the entire Backend (BE) architecture and ecosystem. This role is crucial for ensuring the technical excellence, scalability, reliability, and security of all backend systems that power our core products and services. The Staff Software Engineer will operate at a high level of abstraction, influencing engineering practices across multiple teams while remaining hands-on in critical areas. You’ll be actively involved in architectural decisions, contribute to technical discussions, and inspire your team to deliver clean, robust code. Responsibilities and Tasks: Lead the design, development, and deployment of complex, high-throughput backend services and APIs, ensuring best-in-class performance and maintainability. Drive architectural decisions and serve as the ultimate technical escalation point for BE-related challenges. Establish and articulate a clear, ambitious long-term vision and technical roadmap for the evolution of the BE systems. This includes planning for future growth, anticipating technological shifts, and driving the adoption of new technologies and patterns to maintain a competitive edge. Act as the primary architect for major system initiatives, defining microservices boundaries, data models, integration patterns, and deployment strategies. Proactively identify and resolve technical debt and architectural risks before they impact the business. Mentor engineers, elevating the technical expertise and quality of engineering output across the organization. Influence engineering standards and best practices for testing, performance tuning, and security across different development teams. Requirements: Exceptional and proven proficiency in the .NET area, including extensive experience with C#, .NET Core/8+, and related frameworks (e.g., ASP. NET Core, Entity Framework Core). Must demonstrate the ability to architect and build high-performance, fault-tolerant systems using the .NET stack. Demonstrable architecting skills with a strong background in designing and implementing large-scale, distributed systems (e.g., microservices, event-driven architectures, serverless). Expert knowledge of design patterns, domain-driven design (DDD), and SOLID principles. Extensive experience with at least one major cloud platform (AWS, Azure, or GCP) and related services (e.g., managed databases, message queues, containerization). Deep understanding of various database technologies (SQL and NoSQL) and data modeling best practices for scalable applications. System-Level Thinking: Ability to decompose complex problems into manageable components and evaluate trade-offs between different technical solutions (e.g., speed vs. stability, buy vs. build). Excellent verbal and written communication skills, with the ability to present complex technical ideas clearly to both technical and non-technical stakeholders, driving consensus on critical architectural decisions. Why Rebtel? Rebtel has been connecting people across borders for nearly 20 years. Today, we’re profitable, growing, and at a pivotal moment in our journey. As we enter our next phase, we’re building an organisation designed for speed, ownership, and real impact, where every role contributes directly to shaping what comes next. This is a place with global ambition and a strong foundation, where ideas move quickly and decisions matter. You won’t get lost in layers of process or slow-moving structures. Instead, you’ll find the space to take ownership, collaborate across teams, and make meaningful contributions from day one. Based in Stockholm, we bring together a diverse, international team united by a shared purpose: to simplify the way people connect worldwide. At Rebtel, you are the most important asset and we strive to provide a comprehensive package of benefits and perks that enhance your well-being and work experience. Here are some of the things you can expect from us: Pension Plan Health Checkups, Influenza shots and Private Medical Insurance Dental Insurance Occupational insurance Wellness allowance (5,000 SEK) Discount on gym memberships Bonus program Extra parental pay 30 days annual vacation Monday breakfasts Relocation Support, if you're joining us from afar, we'll assist you in making a smooth transition. We are Rebtel. We come from all around the world to create products for anyone who has crossed a border. We believe in equal opportunity and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
AI Enablement Engineer
Xensam: Join the Future of SAM Xensam is the leader in AI-powered, cloud-based Software Asset Management. Our technology brings clarity to complex IT environments, helping users make smart, data-driven decisions and maximize software ROI. Recognized with the Highest Growth Award and ranked #3 Overall Champion at the Main Software 50 Awards Nordics, we’re scaling fast and looking for people who want to join the journey. At Xensam, you play a key role in a team built on energy, focus, and positivity. We value experience, but even more, the person behind it. Together, we build the future of SAM. About the role We're looking for an AI Enablement Engineer to help make AI a natural part of how we work at Xensam. In this role, you'll partner with teams across the business to identify opportunities where AI and automation can create real value. You'll design, build, and maintain AI-powered solutions that simplify workflows, improve productivity, and help our teams focus on what matters most. You'll work across Marketing, Sales, HR, Finance, Operations, Product, and Engineering, combining technical expertise with business understanding to turn ideas into practical solutions. This is a hands-on role with the opportunity to shape how AI is adopted across the entire company. Responsibilities Build and maintain AI-powered solutions and automations tailored to each department's needs, from document processing and customer support to internal knowledge management Drive AI adoption across the company by being accessible, patient, and practical. Help teams move from unfamiliar with AI to confident users Design and develop reusable AI components, prompts, and workflows that different departments can leverage Experiment, iterate, and evaluate new models, frameworks, and approaches. Stay ahead of the curve so we're not playing catch-up Automate intelligently by knowing when to use deterministic, repeatable processes and when to lean on AI for non-deterministic workflows and analytics Build and manage self-hosted AI infrastructure including open-source models (Llama, Qwen, etc.), inference APIs, RAG pipelines, vector databases, and the rest of the stack Build AI solutions on top of existing platforms like ChatGPT, Codex, and other commercial APIs, integrating them into internal workflows and tools Educate and mentor colleagues, running workshops/hackathons and creating documentation that makes AI accessible to everyone, regardless of technical background Partner with every department (operations, HR, finance, marketing, etc.) to understand their workflows and identify where AI or automations can add value Qualifications 3+ years of software development experience Strong experience with Python and API integrations Experience building solutions with LLMs and modern AI frameworks Experience working with RAG, vector databases, or agent frameworks Experience integrating commercial AI platforms such as ChatGPT, Codex, or similar Experience working with open-source AI models and inference platforms Comfortable working with Linux, Docker, and self-hosted environments Strong problem-solving skills and a passion for building practical solutions Excellent communication skills and the ability to collaborate with both technical and non-technical teams Fluent in English, both written and spoken Bonus points if you have Experience with workflow automation platforms (e.g. n8n, Make, Temporal) Experience with cloud AI platforms (AWS Bedrock, Azure AI, GCP Vertex AI) Experience with MLOps or deploying machine learning systems into production Experience fine-tuning or hosting open-source language models Contributions to open-source projects or a portfolio of AI side projects What you get A generous work culture with free drinks and snacks, office massages, and more. Three days in-office (with remote work on Mondays and Fridays). An opportunity to shape your career growth while contributing to the company’s success. A dynamic position embracing "freedom under responsibility". If sales targets are met, all employees enjoy an annual destination trip. Other location-specific benefits. Our values at Xensam Rebellious We challenge the norm and act with initiative – always with responsibility. Humane We foster a caring, inclusive environment that values diversity and respects individuality. Harmony We value balance and create a supportive workplace where people thrive. As part of our recruitment process, we conduct background checks on final candidates to fulfill our commitments to customers and ensure a safe work environment.
Backend Developer
Validio AB is a Stockholm-based software company providing a data quality and observability platform. The role is part of the Validation Engine team, responsible for backend services that read data from source systems (e.g. BigQuery, Snowflake, Kafka), run data validation logic, and report incidents to downstream systems. The employee will design, develop, test, and maintain backend components of this system. Main duties Design, develop, and maintain backend services in Rust and Go Develop and maintain SQL query generation logic across multiple database dialects (e.g. BigQuery, Snowflake, ClickHouse, Postgres) Define and maintain service contracts using Protocol Buffers and gRPC Build and maintain data source connectors, including schema introspection and authentication Diagnose and resolve production issues in distributed backend systems Write automated tests and maintain technical documentation for backend components Collaborate with Customer Success and Solutions Engineering teams to translate reported technical issues into engineering solutions Deploy and operate services using Kubernetes and related infrastructure tooling Qualifications University degree in Computer Science, Software Engineering, or equivalent professional experience Documented professional experience developing and maintaining production backend services in Rust or Go Strong working knowledge of SQL, including query optimization and execution plan analysis Experience with distributed systems and message-streaming technologies (e.g. Kafka) Experience with containerized deployment (Kubernetes) Professional proficiency in English
Senior AI Engineer
Sana is an AI lab building superintelligence for work. We believe organizations can accomplish their missions faster when teams can effortlessly access knowledge, automate repetitive work, and learn anything with the help of agentic AI. As part of Workday, we are committed to building AI that augments people - not replaces them. We bring this mission to life through two products. Sana Agents provide a seamless way to access all your company’s apps, knowledge, and data, enabling AI agents to do real work so teams can process and act on information at unprecedented scale. Sana Learn is an AI-powered learning hub that combines the simplicity of a modern learning platform with intelligent features like an AI tutor, automated content generation, and interactive apps, making knowledge not just accessible but actionable. We’re a talent-dense, product-obsessed team of engineers and designers from companies like Google, Spotify, Apple, and Databricks, united by deep technical excellence and rapid iteration. Our tools already help over a million people learn and work better across hundreds of leading enterprises - and we’re just getting started. About the Role You'll build the core agent infrastructure that powers Sana's mission to bring superintelligence to work. This is a greenfield opportunity to define how AI agents plan, reason, and execute across enterprise environments—building systems that reliably handle real-world complexity at scale. You'll work at the intersection of agent architecture, context-, tool- and prompt engineering, and production infrastructure. In this role, you will Architect multi-step planning, orchestration, and tool routing for agents Implement code generation agents and sandboxed code execution Engineer memory, state, and context packing/grounding strategies Balance latency, quality, and cost controls for agent execution Develop safe fallbacks, graceful degradation and robust error handling Collaborate with platform and search teams to deliver reusable agent infrastructure Establish safety guarantees and measurable quality improvements About You Basic Qualifications: 3+ years of software engineering experience building production backend or platform systems. 3+ years of experience in TypeScript, with a strong track record of writing reliable, maintainable services. 3+ years of experience with distributed systems, APIs, asynchronous workflows, and service-oriented architecture. 3+ years of experience designing systems with a focus on scalability, reliability, observability, and maintainability. Other Qualifications: Experience building and deploying LLM-powered applications in production. Experience building agent platforms or AI infrastructure. Deep understanding of the low-level details of the OpenAI, Google, and Anthropic LLM APIs, including tool calling, system prompt caching, etc. Familiarity with LLM application patterns, including tool calling, retrieval-augmented generation (RAG), memory and context management, multi-step orchestration, and human-in-the-loop systems. Experience building and running machine learning systems in production, including compiling training and test datasets, building training pipelines, evaluating models, and detecting and handling drift (neural networks, Gaussian models, Thompson sampling, etc.). Experience designing evaluation frameworks for LLM or agent quality and safety, including hands-on use of platforms such as Langfuse or LangSmith. Familiarity with vector databases, prompt and context engineering, and experimentation tooling. Experience working with sandbox environments such as Modal, and designing strict access control models to keep user data safe and encrypted at all times. Experience running services in Kubernetes-based environments on GCP or equivalent cloud platforms. Comfort working with Postgres and Redis in high-throughput, low-latency service contexts. Contributions to open source TypeScript projects. Ability to navigate ambiguity, make strong technical tradeoffs, and drive projects from concept to production. Strong communication and collaboration skills, with the ability to partner effectively across engineering, product, and AI research teams.
Senior .NET Backend Engineer
Description Build the next-generation payment platform on a modern and future-proof tech stack. Working in a cross-functional team What we’re looking for Proven ability to design, optimize, and operate data-intensive systems, including schema design, performance tuning, and production troubleshooting in MS SQL Server–based environments. Deep understanding of database performance and reliability, including indexing strategies, query optimisation, and handling production issues. Experience building and operating backend services using .NET/C#, with a solid understanding of microservice architectures and distributed systems. Experience designing and working with asynchronous messaging and event-driven systems, using Kafka, IBM MQ, or similar technologies. Experience running services in containerised and orchestrated environments (Docker, Kubernetes/OpenShift), with awareness of scaling, resilience, and failure modes. Experience contributing to or owning CI/CD pipelines for database changes and deployment automation, with a focus on safe, repeatable releases. A collaborative engineering mindset, with a willingness to share knowledge, learn continuously, and improve how the team builds and runs software. Meritorious with experience from financial services, payments, or other regulated environments. Strong communication skills, with fluency in English; Swedish is a plus
Senior Backend Developer
Xensam: Join the Future of SAM Xensam is the leader in AI-powered, cloud-based Software Asset Management. Our technology brings clarity to complex IT environments, helping users make smart, data-driven decisions and maximize software ROI. Recognized with the Highest Growth Award and ranked #3 Overall Champion at the Main Software 50 Awards Nordics, we're scaling fast and looking for people who want to join the journey. At Xensam, you play a key role in a team built on energy, focus, and positivity. We value experience, but even more, the person behind it. Together, we build the future of SAM. About the role We are looking for a Senior Backend Engineer to help build and evolve the services that power the Xensam platform. In this role, you will design, develop, and maintain scalable backend systems in Rust and across a diverse technology landscape. You should enjoy understanding complex systems and contributing across multiple parts of the tech stack where needed. Working closely with Product, Engineering, Infrastructure, and Security teams, you will deliver reliable, secure, and high-performing solutions that support our continued growth. Beyond development, you will contribute to architectural decisions, improve engineering practices, and help shape the technical direction of the platform. The role offers the opportunity to mentor other engineers, drive technical initiatives, and influence how we build software at scale. Responsibilities Design, develop, and maintain backend services and APIs using Rust Build scalable, reliable, and secure systems that support business growth Contribute to architecture decisions and technical direction across the platform Improve system performance, reliability, observability, and maintainability Identify and resolve complex technical challenges across services and integrations Refactor and modernize existing solutions in line with engineering best practices Write robust unit, integration, and end-to-end tests Participate in code reviews and help maintain high engineering standards Collaborate closely with Product, Infrastructure, and Security teams Support and mentor other engineers through knowledge sharing and technical guidance Qualifications Extensive experience in backend software development Strong experience building production systems with Rust Strong understanding of distributed systems, APIs, and backend architecture Experience building scalable, reliable, and secure services Strong foundation in software engineering principles, testing, and version control Experience working with relational databases and SQL Comfortable working with CI/CD pipelines and modern development practices Strong problem-solving and debugging skills Excellent communication skills and a collaborative mindset Strong verbal and written communication skills in fluent English (Swedish is a plus) Bonus points if you have Experience with PostgreSQL at scale Experience with cloud platforms and containerized environments Experience working in high-growth SaaS environments Understanding of modern frontend development and frameworks (e.g. React, Vue, Angular) Experience collaborating across the full stack to design and deliver user-facing features What you get A generous work culture with free drinks and snacks, office massages, and more Three days in-office (with remote work on Mondays and Fridays) An opportunity to shape your career growth while contributing to the company's success A dynamic position embracing freedom under responsibility If sales targets are met, all employees enjoy an annual destination trip Other location-specific benefits Our values at Xensam Rebellious We challenge the norm and act with initiative – always with responsibility. Humane We foster a caring, inclusive environment that values diversity and respects individuality. Harmony We value balance and create a supportive workplace where people thrive. As part of our recruitment process, we conduct background checks on final candidates to fulfill our commitments to customers and ensure a safe work environment.
Senior Backend Engineer
At Umain we're crafting the future, one innovative project at a time. With our motto "Shape, Ship, Scale," we empower our team to envision the future and play a pivotal role in building it. We're a dynamic team where you can shape the future, ship groundbreaking solutions, and scale your abilities in many different ways. We are now looking for Senior Backend Engineers who want to build robust solutions that power products used by millions of people. We have a proven track record: 400M+ total app downloads 50M+ monthly active users Backends handling tens of thousands of requests per second Globally recognized, multi-market applications The office in Gothenburg is our default workplace, but we stay flexible when working from home makes sense for the team or the project. We trust each other to coordinate and keep things professional. Most of our work is built in Kotlin, Go, and TypeScript, and we aim to pick the tools that best fit each project so our teams can focus on delivering the right solution. The role is broad but centered on backend. You'll work on projects for both Swedish and international companies, including systems that integrate external services, automation, and frontend clients. As a Senior Backend Developer, your role will involve: Building high-performance, and scalable systems in modern stacks that suit the project. Designing cloud-native systems with Infrastructure as Code (Terraform) across AWS, GCP, and Azure. Developing robust data models and database architectures to support application requirements. Building observable systems with the right metrics, logs, tracing, and alerting to understand and operate what we ship. Building and maintaining CI/CD pipelines with containerized deployments and scaling strategies. If you're excited by working across the stack, always learning, and making a real impact at scale, we believe you'll feel at home at Umain. Who You Are: 5+ years of experience building and running backend services in production. Comfortable owning a system end to end, from API design to deployment and operations. Strong in at least one of our core languages (Kotlin, Go, or TypeScript), and willing to pick up others as projects demand. Experience making technical decisions on a team: weighing tradeoffs, reviewing code, and mentoring peers. A product mindset: You think about maintainability, user impact, and long-term health, not just the ticket in front of you. Familiar with agentic development tools You treat unfamiliar problems and new technologies as an opportunity rather than a risk. In consulting, the next project often looks nothing like the last one, and you see that as a feature. What We Offer: A personal coach and support to help you develop both professionally and personally. A range of diverse projects that explore and push the boundaries of what's possible. A fun and fair work environment where you can grow through meaningful challenges and great colleagues. Multidisciplinary teams where backend engineers work closely with product, design, analysis, and testing. Working alongside some of the largest and most forward-thinking brands on the planet. Why Umain? Career Framework We believe in fairness and clarity, which is why we've established a transparent career framework to ensure equal pay and equal opportunities for all. Your growth and success are as important to us as they are to you. Together with your coach, you will build your own development plan and grow in your career. Work-Life Balance At Umain, we understand that life doesn't pause when you walk into the office. We welcome team members from all walks of life and recognize the richness that different backgrounds, ages, and life stages bring to a team. Whether you're taking care of your family, your pets, or yourself, we're committed to supporting a healthy balance that respects your needs. Skills Over Degrees We're more interested in what you can do than in the diplomas you hold. Talent, drive, and creativity are what count at Umain. Here, you'll find opportunities to grow, learn, and excel in your career, regardless of your educational background. Background check Umain conducts a background check for final candidates in accordance with our internal policies. The check is carried out only with your consent and is ordered by our CISO through our approved screening partner. The scope of the check depends on the role level. This step is performed late in the recruitment process and is used solely to support a secure and fact-based hiring decision.
Senior Backend Engineer to Appostrophe
Every day, millions of people use SCRL to create and share content across social platforms. Behind the product is a small, profitable, and fully self-funded team based in Stockholm. Now we’re entering a new phase. As SCRL expands beyond native apps, we’re building the backend infrastructure required to support accounts, subscriptions, synchronization, APIs, and cross-platform experiences at scale. We’re looking for a Senior Backend Engineer to help shape that foundation. You’ll work on the systems powering user identity, content delivery, subscription management, and data synchronization across iOS, Android, and web, while helping define the architecture and engineering standards behind the platform long term. What you will do In this role you will own the backend that powers SCRL across iOS, Android, and our upcoming web platform. You will work both on the bigger architectural decisions with our CTO and Head of Data, and on the new features together with the frontend team during our sprints. Day to day, that means: Building and maintaining the APIs and services that deliver content to millions of users Designing systems that scale as we grow, without scaling our costs at the same rate Owning our PostgreSQL database and how we store and serve content Building scalable and cost-efficient systems for storing and delivering images and creative assets using AWS and S3 Making sure premium status stays in sync across iOS, Android, and web Implementing proper security and access control, and making sure we stay GDPR compliant as we start storing user generated content in the cloud What we are looking for Several years of experience building and operating backend systems in production Strong foundations in TypeScript and PostgreSQL Experience working with cloud infrastructure on AWS or GCP Experience building systems that have scaled in terms of users, traffic, or complexity Comfortable being a senior voice in discussions around architecture, tradeoffs, and long-term platform decisions What we offer We are a small, international team based by Slussen in central Stockholm. Most of us work from the office with some flexibility, and the team is small enough that everyone has visibility into what is being built and why. What you'll get: Significant ownership and technical influence from day one A profitable, self-funded product used by millions globally A small and experienced team with fast decision-making and close collaboration 30 days of paid vacation Health benefits and pension salary exchange A fully stocked office with snacks and Nintendo Switch Monthly after works and quarterly team activities Annual company retreats. Recent trips have taken us to Bali, Lisbon, and Madrid. Want to become a part of Appostrophe? Then we’d love to hear from you. We review applications continuously. If you have any questions feel free to reach out to Johanna or Gabriella at Ants Tech Recruiters.
Tech Lead
At TF Bank and Avarda, you will have the chance to be part of an exciting journey as we build a state-of-the-art platform that is transforming how e-commerce merchants manage payments. As a Tech Lead, you will play a pivotal role in guiding the design and development of our backend systems, ensuring scalability, performance, and technical excellence across the platform. Why should you join us? We offer more than just a technical challenge. You will become part of a team building the payment solutions of the future with modern and unified technology. With us, you can grow both technically and culturally as we shape stronger work processes and develop innovative solutions for future products. We are building a modern platform that supports both existing and upcoming products, and you will help shape a stronger company culture and more effective ways of working. Our backend platform is based on .NET microservices, primarily hosted in Azure. At the core of our system is Corniche, an API-driven core banking system that handles all financial transactions. We have a distributed tech team with members in Borås, Stockholm, Gdansk, Malaga, and a partner in the Czech Republic. Travel may occur. Your responsibilities: Lead the design and development of microservices and their architecture using .NET Core. Drive cloud-based solution design and ensure robust, scalable, and reliable services using Azure Cloud Native. Oversee continuous integration, delivery, and deployment using Kubernetes, Docker, and Azure Pipelines. Optimize systems and applications for high performance, reliability, and maintainability. Implement and improve logging and observability using OpenTelemetry. Mentor and guide developers of varying seniority, contributing actively to technical and architectural decisions. Collaborate across distributed teams and ensure alignment on technical strategy and best practices. We believe you have: Extensive experience in software engineering, typically 8–10 years, with strong expertise in C#, .NET Core, and Azure. Several years of experience in senior, lead, or architect-level roles, ideally as a Tech Lead today. Proven experience working with transaction-intensive systems and agile development processes. Deep understanding of system architecture and hands-on experience designing and maintaining microservices. Experience leading engineering teams or technical initiatives in distributed environments. Experience in e-commerce, payment solutions, or finance is a plus, as well as familiarity with systems like Corniche, Mambu, or similar.
Backend Engineer
At Embark, you will join the game services group, a collective of teams powering player-facing online functionality, and managing highly scalable backend systems. In this role, you will work with online systems related to player progression, social interaction, game orchestration, monetization and authentication. The challenges you will solve are similar to those found in distributed data-intensive platforms, but applied to live service games.Most of your time will be spent in a small number of core services, as part of a complex, interconnected gaming ecosystem.. You are expected to take responsibility, ownership and identify what needs to be done. You will be part of a highly collaborative environment where you work together across teams to bring the best experience to our players. Our core technologies include Go, C++, Unreal Engine 5, Google Cloud Platform (GCP), SQL (using Google Spanner), Redis, Kubernetes, and Bazel. What you will do Design, build, and maintain live service functionality supporting multiple games, such as messaging, VOIP, lobbies, inventory, matchmaking and microtransactions Work with distributed backend systems in a live service environment handling millions of players’ data Collaborate both within your team and with various other teams to build highly-scalable, secure and reliable online services in our games Innovate, and explore new technologies. Improve tooling, workflows, and architecture for our online systems We think you bring Strong programming skills and 5+ years of professional experience with Go Experience with large-scale data-intensive systems Experience with Kubernetes and cloud environments, preferably GCP The ability and passion to take ownership and drive work forward A curious mindset and comfort working in highly collaborative environment Professional English communication skills Bonus Experience with cloud-native databases, specifically Google Spanner Experience building or operating authentication systems using OpenID or similar standards Some years of professional experience with C++ Experience working with game engines, specifically Unreal Engine At Embark we offer competitive salaries, passionate colleagues to share knowledge with and much more, but most of all we invite you to take part of a journey into the unknown, to build creative, surprising and beautiful experiences together. We welcome game makers of all sex, class, colour, age, gender identity, education, religion, opinion, culture, nation of origin, language, sexual orientation, shape, size, and ability Did we leave anyone out? Well, we welcome you, too! We think that the gaming industry is made better when everyone has a seat at the table. Be yourself at Embark and make games while doing so. Please apply with confidence. We can’t wait to hear from you (in English)!
Backend Software Engineer (Node.js) 💻
About the role Wrknest is recruiting a Backend Software Engineer on behalf of an international technology company based in Stockholm. The company develops advanced connected platforms used by businesses and consumers worldwide, with a strong focus on networking, cloud infrastructure, and smart device ecosystems. In this role, you will join a highly skilled engineering team responsible for developing and maintaining core backend systems powering connected products and services. The position is ideal for someone who enjoys solving technically complex challenges, improving system reliability, and working across backend, cloud, embedded, and application environments. You will become part of a collaborative and product-focused engineering culture where quality, ownership, and continuous improvement are highly valued. Your future tasks ou will play an important role in designing and developing backend services that support large-scale connected systems and applications. The role involves close collaboration with several technical teams and offers the opportunity to influence both architecture and development processes. Examples of responsibilities include: Designing, building, and maintaining backend services using Node.js and TypeScript Developing secure, scalable, and maintainable APIs and workflows Contributing to architectural discussions and technical decisions Reviewing code and supporting high engineering standards and release quality Investigating production issues and implementing robust solutions Collaborating with teams within embedded, web, mobile, product, and design Improving reliability, observability, and developer experience across services We are looking for someone who Requirements At least 5 years of professional experience working with Node.js and TypeScript Minimum 3 years of experience working with SQL databases such as PostgreSQL Experience developing software for connected devices, infrastructure products, networking systems, or similar complex environments Good understanding of web security, including OWASP, OAuth, and browser security fundamentals Strong debugging skills and experience with defensive programming Professional experience with Git, Unix/Linux, and Docker-based environments Ability to work independently and take ownership of technical solutions Strong communication skills in English, both written and spoken Valid Swedish work permit and residence in Sweden at the time of application Meritorious Experience with Rust or Go Experience with gRPC Experience with WebRTC Experience with DevOps, CI/CD, and build pipelines Experience using AI tools and LLMs to improve engineering workflows and productivity The client values engineers who are curious, solution-oriented, and motivated by building reliable products in technically advanced environments. You are comfortable collaborating across teams while also taking ownership of your own work. Other information Start: According to agreement Location: Stockholm, Sweden Employment type: Full-time Work model: Hybrid Benefits Competitive compensation package Occupational pension and insurance package Wellness allowance Flexible working hours Access to modern technical equipment and products Please note that a background check will be conducted in the final stage of the recruitment process. About the client The client is an international technology company developing advanced platforms and connected solutions used globally within networking, infrastructure, and smart technology. Their products combine software, cloud services, and hardware to create scalable and reliable ecosystems used by millions of users worldwide. The company is driven by innovation, technical excellence, and long-term product development, offering employees the opportunity to work on impactful technology in an international environment. Om Wrknest Engineering Wrknest Engineering specializes in helping engineers and technicians find their next career step. We collaborate with forward-thinking companies and offer both recruitment and consulting assignments within technology and industry. We believe in building long-term relationships and strive to be an engaged and attentive partner. Through us, you gain the opportunity to be part of technological advancements that shape tomorrow’s society, in roles where your expertise makes a real difference. Our ambition is for you to thrive, grow, and feel proud of your work. Read more at www.wrknestengineering.se.
Senior Java Software Engineer
About Us: At TechStack Global AB, we’re a close-knit team of software engineers who are genuinely passionate about technology. Our mission is to empower our clients by helping them achieve their digital aspirations. Unlike typical consultancies, we prioritize hiring top-notch tech talent and pairing them with projects that truly challenge and inspire them, ensuring that their skills are fully utilized. Are you a Senior Java Developer looking for an opportunity to work with cutting-edge technology, microservices architecture, and scalable cloud solutions? Join our team and be part of a dynamic environment where innovation meets impact! 🔹 About the Role: As a Senior Java Developer, you will play a key role in designing, developing, and deploying scalable applications. You’ll work with Java, Spring Boot, microservices, REST APIs, AWS, and Kafka to build robust and high-performance backend systems. If you enjoy problem-solving, writing clean and efficient code, and working in a collaborative team, this is the role for you! 🔹 Key Responsibilities: ✔ Develop, enhance, and maintain high-performance Java-based applications. ✔ Design and implement RESTful APIs to support business needs. ✔ Architect and develop microservices-based applications with Spring Boot. ✔ Deploy and manage applications in AWS, ensuring scalability and security. ✔ Work with Kafka for real-time data streaming and event-driven architecture. ✔ Collaborate with cross-functional teams to deliver high-quality software solutions. ✔ Optimize applications for performance, scalability, and maintainability. 🔹 Required Skills & Experience: ✅ Strong experience in Java development. ✅ Expertise in Spring Boot and microservices architecture. ✅ Hands-on experience with REST API design and development. ✅ AWS cloud services experience (EC2, S3, Lambda, etc.). ✅ Knowledge of Kafka and event-driven systems. ✅ Experience with Agile development methodologies. ✅ Strong problem-solving and debugging skills. 📌 What We Offer: 🌟 Work on exciting projects using modern technology stacks. 🌟 A collaborative and innovative team environment. 🌟 Competitive salary & benefits package. 🌟 Opportunities for career growth and skill development. 🌟 Flexible work arrangements, including hybrid/remote options. 📩 How to Apply? To apply for this position, please submit your resume and a cover letter outlining your relevant experience and why you're a good fit for the role. You can apply directly through LinkedIn or send your application to contact@techstack.se. #Hiring #JavaDeveloper #SpringBoot #Microservices #AWS #Kafka #SoftwareEngineering #BackendDevelopment
Senior Backend Engineer
At Umain, we're not just creating software; we're crafting the future, one innovative project at a time. With our motto "Shape, Ship, Scale," we empower our team to not only envision the future but also play a pivotal role in building it. We're a dynamic team where you can shape the future, ship groundbreaking solutions, and scale your abilities in many different ways. We are now looking for Senior Backend Engineers who want to build robust solutions that power products used by millions of people. We have a proven track record: 400M+ total app downloads 50M+ monthly active users Backends handling tens of thousands of requests per second Globally recognized, multi-market applications The office in Stockholm is our default workplace, but we stay flexible when working from home makes sense for the team or the project. We trust each other to coordinate and keep things professional. Most of our work is built in Kotlin, Go, and TypeScript, and we aim to pick the tools that best fit each project so our teams can focus on delivering the right solution. The role is broad but centered on backend. You'll work on projects for both Swedish and international companies, including systems that integrate external services, automation, and frontend clients. As a Senior Backend Developer, your role will involve: Building high-performance backend systems in Go, Kotlin, TypeScript (Node.js), or Python, depending on the project. Working with frameworks such as Ktor, Fiber, and NestJS. Designing cloud-native systems with Infrastructure as Code (Terraform) across AWS, GCP, and Azure. Developing robust data models and database architectures to support application requirements. Building observable systems with the right metrics, logs, tracing, and alerting to understand and operate what we ship. Building and maintaining CI/CD pipelines with containerized deployments and scaling strategies. If you're excited by working across the stack, always learning, and making a real impact at scale, we believe you'll feel at home at Umain. Who You Are: 5+ years of experience building and running backend services in production. Comfortable owning a system end to end, from API design to deployment and operations. Strong in at least one of our core languages (Kotlin, Go, or TypeScript), and willing to pick up others as projects demand. Experience making technical decisions on a team: weighing tradeoffs, reviewing code, and mentoring peers. A product mindset: You think about maintainability, user impact, and long-term health, not just the ticket in front of you. Familiar with agentic development tools You treat unfamiliar problems and new technologies as an opportunity rather than a risk. In consulting, the next project often looks nothing like the last one, and you see that as a feature. What We Offer: A personal coach and support to help you develop both professionally and personally. A range of diverse projects that explore and push the boundaries of what's possible. A fun and fair work environment where you can grow through meaningful challenges and great colleagues. Multidisciplinary teams where backend engineers work closely with product, design, analysis, and testing. Working alongside some of the largest and most forward-thinking brands on the planet. Why Umain? Career Framework We believe in fairness and clarity, which is why we've established a transparent career framework to ensure equal pay and equal opportunities for all. Your growth and success are as important to us as they are to you. Together with your coach, you will build your own development plan and grow in your career. Work-Life Balance At Umain, we understand that life doesn't pause when you walk into the office. We welcome team members from all walks of life and recognize the richness that different backgrounds, ages, and life stages bring to a team. Whether you're taking care of your family, your pets, or yourself, we're committed to supporting a healthy balance that respects your needs. Skills Over Degrees We're more interested in what you can do than in the diplomas you hold. Talent, drive, and creativity are what count at Umain. Here, you'll find opportunities to grow, learn, and excel in your career, regardless of your educational background. Background check Umain conducts a background check for final candidates in accordance with our internal policies. The check is carried out only with your consent and is ordered by our CISO through our approved screening partner. The scope of the check depends on the role level. This step is performed late in the recruitment process and is used solely to support a secure and fact-based hiring decision.
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