Fullstack Engineer

Fullstack Engineer We put items to better use. Hundred thousand a week actually. Enhancing our technical product is therefore at the top of our agenda. Apply now The scale of our operations creates complex, fascinating challenges. We thrive on engineering simple, elegant solutions to tackle them, and we are looking for someone whose craft can make a tangible impact on our rapidly growing customer base. Sellpy’s vision is to empower everyone to live circularly. We believe that every item deserves a second life, and we see huge financial, social and environmental value in making sure this happens. We look for those who share this vision and have the grit to tackle the challenges of building a circular future. Fullstack Engineer at Sellpy Sellpy serves both buyers and sellers, and both sides matter equally. As part of Sellpy Tech, you'll help hundreds of thousands of customers embrace a smarter, more sustainable way to shop. This is work that actually moves the needle on something that matters. We're looking for a Fullstack Engineer who cares about the customer experience and wants to push our technical product forward. This role is a great fit if you want to go deep on JavaScript, enjoy technical discussions, and thrive on real, varied challenges every day. Your ability to build features that integrate cleanly with our architecture and hold up in production is what makes the difference. We code for a circular future — and we build it together. Debates are welcome, opinions are expected, and everyone has a real say in how we shape Sellpy's architecture. In short, you will Build user-centric, next-generation web applications Work with JavaScript, React/React Native & Node across the stack Take ownership of features from idea to release and beyond Ensure scalability, maintainability and simplicity in everything you build Continuously improve Sellpy’s products and architecture Requirements B.S. or M.S. in Computer Science (or related), or equivalent proven experience 3+ years of professional software engineering experience Strong knowledge of JavaScript Experience from a fast-paced product environment Fluency in written and spoken English We’d be impressed if you have Experience with React, React Native, Node.js, Web Components, logging & monitoring Worked in a scaling, product-focused startup Hands-on experience with continuous integration & deployment Knowledge of AWS and Git You get to Be part of a tech-minded company that's driving the change towards a sustainable lifestyle. In return, you will get direction, energy, and work on meaningful challenges daily. Enjoy a vibrant office culture at Medborgarplatsen, balanced with hands-on experience at our production sites Work with highly skilled and motivated colleagues Gain new skills with unlimited access to a learning platform Make use of prepaid vacation Enjoy Sellpy credits and staff discounts at Sellpy and the H&M brands (Arket, COS, Other Stories, Weekday and more). Save up with a monthly pension plan Engagement in Sellpy’s social traditions with game nights, interactive planning days, guest speakers and other activities. Location On-site collaboration at our core, supported by a flexible hybrid setup on set days. This specific role is based at our Medborgarplatsen office. Hybrid work We value being together. After an on-site onboarding, we aim for a balanced office presence, with flexibility based on your team and tasks. Form of employment: Full-time Start: As agreed upon The teams Engineering Remote status Hybrid Medborgarplatsen About Sellpy Sellpy’s vision is to empower everyone to live a circular life. We believe there is huge financial, social and environmental value in prolonging the life of things and clothes. We are proud to be the leading service for second hand items, and one of the fastest-growing scale-ups in Sweden. Since launching, we have given new life to more than 20 million pre-owned items, saving almost 100.000 tons of CO₂.