Backend Engineer

Carla AB

About Carla At Carla, we believe that more people should be able to drive electric vehicles. Therefore, we have set out to build the safest, most convenient and transparent way to sell, buy, or lease an electric car. Carla was founded in 2020 in Stockholm, with strong VC backing. We are now in an exciting growth phase and are looking for like minded people. That means being driven, humble, and excited about creating outstanding and effective experiences and smart solutions. Recruitment need Carla is a startup in an exciting growth phase, and we are looking for a skilled Backend Engineer to contribute to the technical development of products within our Product & Tech team. Your primary focus will be solving important and complex problems with high-quality code, primarily in Go, while also being comfortable and keen to work end-to-end when needed in our TypeScript / React frontends. We value engineers who combine strong engineering fundamentals with curiosity for modern tools, including AI-assisted development, to increase their impact and effectiveness. You will help ensure our systems are robust, scalable and reliable, while also contributing to a codebase that is easy to understand, maintain and evolve. If you enjoy working close to real business problems, collaborating across product and engineering, and building efficient systems that drive business success, this role is for you! Responsibilities include, but are not limited to: Hands-On Backend Development Write clean, efficient, and maintainable code, primarily in Go for our backend, while being comfortable and keen to work end-to-end in our React and TypeScript frontend when needed Use modern development tools, including AI-assisted workflows, to improve your speed, quality and impact as an engineer Design, develop and enhance backend services and APIs that are critical to our operations, including inspection, workshop planning, quality control and beyond Debug and resolve technical issues quickly to ensure the stability and reliability of our systems System Optimization and Improvement Regularly evaluate and improve system performance, focusing on scalability, responsiveness and reliability Improve our codebase by making it easier to understand, test, maintain and evolve over time Collaborate closely with backend and frontend developers, product managers and designers to ensure seamless integration between backend services and user-facing applications Manage technical debt by refactoring code and improving existing systems Collaboration and Problem-Solving Work closely with cross-functional teams to deliver pragmatic solutions that align with business needs Participate in code reviews, providing constructive feedback to improve code quality, clarity and long-term maintainability across the team Qualifications: We believe that the ideal candidate has: 3-4+ years of experience in backend development and solid software architecture fundamentals Strong hands-on experience with Go and building reliable backend services and APIs Experience with PostgreSQL and cloud-based architectures Comfortable working with TypeScript and React when needed, or motivated to grow into that part of the stack Curious and pragmatic in using AI-assisted development tools to improve engineering effectiveness, all the way from planning to execution and reviews Good communication skills and a collaborative, product-minded approach A plus if you have experience building systems that support operational workflows or internal tools at scale What is in it for you? Most of all, this is a fantastic opportunity to work for a category-defining company, with great values, and a business model that doesn't talk about sustainability - but is based on it. Apart from that, we offer: Joining one of Sweden’s fastest growing scaleups A career-defining role at a startup and an opportunity to grow and learn from knowledgeable co-workers We’re a start-up, which means we work smarter, not harder. Life-work balance still plays an important role in creating long-lasting productivity and output A workplace that believes strength is found in diversity. We hire people regardless of background, education, experience or gender Market competitive salary So, If you are looking to join a capable and collaborative team and directly impact both product quality and team effectiveness, apply today! We’re fast, both in terms of recruitment and when it comes to growing our business. We have no plans on stopping anytime soon, and hopefully, this is where you come in! For this role, location is flexible. If you are based in Stockholm, you are welcome to work from our office, but we are equally open to remote candidates. Today, our team members work from Stockholm, Gothenburg Germany and Poland.

Stegra Boden AB

Studies show that women and underrepresented groups often hesitate to apply unless they meet every requirement. At Stegra, we’re building an impact-driven, sustainable company - and we need a diverse, inclusive team to make it happen. If you share our passion but don’t meet every qualification, we encourage you to apply anyway. You might be the perfect fit for this role, or another as we grow. At Stegra, we’re not just building a plant, we’re proving that sustainable industry is possible. And to do that, we need people like you. Join a team where safety comes first. Where we support each other, learn as we go, and make space for everyone to grow and contribute. This is your chance to be part of something big - while being closer to nature and leading a balanced, purposeful life. Backend Engineer – Digital Enterprise (HR & Finance) At Stegra, we are building a next-generation steel plant - and digital capabilities are a core part of how we operate, optimize, and scale our operations. We believe the best digital solutions are created close to the business, by teams who understand both the context and the technology. Our teams work cross-functionally to build solutions that are scalable, maintainable, and create real value. We are now looking for a Backend Engineer to join our Digital Domain supporting HR and Finance. What you’ll do In this role, you will be part of a cross-functional team within our Digital Enterprise function, working closely with both business and technical colleagues. Your day-to-day work will include: Developing and maintain backend services that enable reliable HR and Finance operations Designing APIs and integrations that enable reliable and scalable communication between systems Working with both synchronous and asynchronous patterns, including event-driven approaches where relevant Contributing to how services are structured, interact, and evolve over time Collaborating with HR and Finance stakeholders to understand needs and turn them into working solutions Breaking down problems into clear technical components and development tasks Ensuring that security, data protection, and access control are embedded in the solutions we build How we work Modular, microservice-based architecture Combination of well-designed APIs and event-driven integrations Integration treated as a core capability Systems designed to evolve and be replaceable over time Iterative development - delivering early and improving continuously We make use of modern tools, including AI-assisted development, while placing strong emphasis on understanding problems, making sound technical decisions, and building solutions that work in practice. What you’ll bring A degree in Computer Science, Engineering, or equivalent experience A few years of experience in backend development Experience working with APIs and/or microservice-based systems Interest in how systems are designed and how components interact over time Familiarity with asynchronous patterns (events, messaging, queues) Ability to break down complex problems into structured technical solutions Comfortable working directly with both technical and non-technical stakeholders Interest in understanding business processes and how digital solutions support them Meriting: Experience with Kotlin / Spring or similar Experience with cloud, DevOps practices, or CI/CD Experience working with testing, monitoring, or production systems How you will grow We believe the best engineers don’t work in silos. While your core will be backend, you’ll have the opportunity to understand and contribute across the full stack - from data to frontend - and to take increasing responsibility for how services are designed, interact, and evolve over time, supported by experienced colleagues in each area. Benefits at Stegra At Stegra, you’ll join a company where your work has real impact on the climate, the industry, and future generations. We’re building a culture rooted in safety, trust, and inclusion, where people feel supported to grow and thrive. You’ll receive fair, competitive compensation aligned with collective agreements, along with benefits like up to 30 days of paid vacation, occupational pension, parental benefits, and insurance. If you need support with relocation or immigration, our relocation department will help guide you through the process, whether it’s permits, housing or other practical matters. You can also enjoy perks like subsidized gym memberships and bike leases, plus the everyday benefits of life closer to nature. This is Stegra Stegra is on a mission to change the global steel industry by producing green hydrogen, iron, and steel - with the goal of eliminating CO₂ emissions. Instead of coal, we use green hydrogen and fossil-free electricity, meaning our primary emissions will be water and heat. By 2030, our ambition is to produce 5 million tonnes of green steel annually in our fully integrated, digitized, and sustainable plant in Boden, Northern Sweden - currently under construction. But this is just the beginning. Our expertise in green hydrogen will enable us to decarbonize industries beyond steel, paving the way for a cleaner future. Our Stockholm Office Our modern Stockholm office is located on Norra Stationsgatan, close to Karolinska University Hospital in central Stockholm. Here, you’ll find a bright, collaborative workspace where cross-functional teams connect, share ideas, and drive progress. Whether you're visiting regularly or working hybrid, you'll be part of a vibrant office culture with easy access to the city’s energy and amenities.

Wrknest AB

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.