Junior Software Engineer

We love elegant code, and we hope you do too. We look forward to seeing your craft grow and make a difference to our rapidly expanding platform.
Sellpy's vision is to empower everyone to live circularly. We believe that every item deserves a second life, and we see huge 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.
Junior Software Engineer at Sellpy
Sellpy's catalogue holds 10 million one-of-a-kind items — and our systems must handle every single one in real-time. As a Junior Software Engineer, you'll step into a place where your code ships to production early, your ideas are heard from day one, and the problems you solve have genuine environmental impact.
We're coding for a circular future in an environment where discussions are encouraged, every voice contributes to our architecture, and curiosity and craft are valued equally — from day one.
In short, you will
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.

Requirements
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.

We’d be impressed if you have
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.

You get to
Be part of a tech-minded company driving the change towards a sustainable lifestyle. In return, you'll get direction, energy, and meaningful challenges from day one.
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.

Location
On-site collaboration at our core, supported by a flexible hybrid setup on set days. This 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 on set days.
Form of employment

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