Build and ship features across the full stack, from frontend interfaces to backend services
Work with JavaScript, React/React Native and Node.js
Take end-to-end ownership of features — from design through deployment
Grow rapidly with the support of experienced teammates and direct feedback loops
Contribute to keeping Sellpy's architecture clean, maintainable and scalable
Bring fresh perspectives that push our engineering culture forward

Currently pursuing or recently completed a B.S. or M.S. in Computer Science or a related technical field
Graduating in summer 2026, or 2027
Solid understanding of JavaScript or another modern programming language
Genuine curiosity, drive to learn, and an action-oriented attitude
Familiarity with React, Node.js, or similar modern frameworks
Experience from side projects, internships, or open source contributions
Exposure to CI/CD pipelines and version control with Git
A passion for the circular economy or sustainable tech

Enjoy a vibrant office culture at Medborgarplatsen, balanced with hands-on experience at our production sites
Work with highly skilled and motivated colleagues who invest in your growth
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
Engage in Sellpy’s social traditions with game nights, interactive planning days, guest speakers and other activities

Junior Software Engineer

Key skills