Senior Fullstack Engineer with Frontend Focus

Senior Fullstack Engineer with Frontend Focus Be part of a small, agile team that designs, builds, and owns products from concept to launch. Join our highly skilled team of developers - breaking new ground and shaping the future of retail. We dare to dream big, we have the courage to keep raising the bar, and we’re committed to being a force for good in retail - helping both established and fast-growing brands meet the ever-changing expectations of their customers. Sitoo is a fast-growing technology company exploring how far we can take innovation to deliver the world’s best Unified Commerce Platform and Point of Sale. Our technology is used in more than 20 countries - a number that keeps growing thanks to our incredible team of engineers. And we have no intention of slowing down. Are you the Software Engineer we’re looking for? About the team The Platform Security team builds the security foundations that allows Sitoo to scale. We own identity and access across our products, authentication, authorization, roles/permissions, and we turn enterprise security requirements into product capabilities that customers can configure and operate self‑serve. You’ll work close to product and engineering teams to ship secure-by-default platform services and the admin experiences that make them usable in real life.⁠⁠ Your Mission at Sitoo As a Fullstack Engineer at Sitoo, you'll play a vital role in building our next-generation web products. You'll join a small, agile team focused on developing the world's best Point of Sales and Unified Commerce Platform. Your work will span front and backend applications built with React, TypeScript, and Node.js. In our small team environment, your impact and influence will be significant. What you'll do Own, develop and operate Sitoo’s web products Collaborate with the team to innovate and improve processes and tooling Build a scalable infrastructure in AWS Write tests to ensure product quality Manage CI/CD pipelines on GitHub Participate in development guilds What you'll bring to the table 5+ years of experience as a professional fullstack developer building and maintaining web applications Experience writing Node.js services and frontend apps with TypeScript A background working in fast-growing or scaling environments Experience in cloud platforms (AWS, Azure, GCP) Fluency in English, both written and spoken Bonus Azure DevOps, Github Actions or GitLab CI/CD IaC with CDK or similar E2E tests with Playwright AI-assisted integrated development environment or agentic coding tools like Claude Code, GitHub Copilot or Cursor Working with design systems / documentation in Storybook Why Sitoo We are forward thinkers. By turning curiosity into knowledge — and knowledge into continuous improvement — we break new ground and shape the future of retail. We believe in an inclusive culture where everyone feels like they belong. We support each other, win together, celebrate success together, and overcome challenges together. Today, we are close to 100 dedicated experts with a positive and solution-oriented mindset. Most importantly, we take care of each other, and we never forget to have fun. This is a hybrid role based in Stockholm or Gothenburg. Please note that we are currently unable to offer relocation support for this position, so you’ll need to hold a permanent residence permit in Sweden. Department Product & Engineering Role Fullstack Engineer Locations Stockholm, Sweden Remote status Hybrid (3 days per week in the office) The Sitoo Brand Values The hoodie among suits We believe in an inclusive culture where everyone feels empowered to be themselves, fully. We have a diversity of experience, perspectives and personalities, and believe this leads to a stronger team and a better product for our customers. As long as we’re knowledgeable, curious and focused on getting the right things done, we can be professional and relaxed at the same time. The hug among handshakes We treat our colleagues, partners and customers like we treat our friends. We help and guide, with a positive and solution oriented mindset. If there’s an issue we deal with it straight away. Breaking new grounds requires trust, and we believe that putting quality and reliability first and always having our customers’ best interest in mind makes all else follow. The tomorrow among yesterdays Driven by passion we look to the future, acting brave and dreaming big. With a can-do attitude we push the limits of what’s possible by turning curiosity into knowledge, and knowledge into innovation. We lead by inspiring others and just like Senseis we gladly share what we know and learn along the way.