Senior Full-Stack Engineer (f/m/x) - remote

Do you want to use your passion and talent to make consumption more sustainable?

We're Europe’s fastest-growing marketplace for refurbished products, empowering customers to acquire items up to 40% cheaper while making a substantial impact on reducing CO₂ emissions compared to buying new devices.

Since our launch in February 2017, we grew to more than 300 employees and expanded across the European region. Throughout this journey, we’ve successfully concluded three substantial funding rounds, selling hundreds of thousands of products. Thanks to our team’s efforts, we were recognized as the Top Employer in the DACH region (2023 and 2024) by Kununu and secured the title of an ACM Preferred Employer (2023).

For our Engineering team, we are looking for an experienced Senior Full Stack Engineer (f/m/x) with a strong background in designing and implementing scalable backend services and intuitive frontend experiences. You’ll work across our marketplace, delivering reliable, high-performance features across the stack. You’ll design and build scalable backend services in Go and contribute to modern frontend experiences using Vue, with a strong focus on performance, accessibility, code quality, and long-term maintainability.

Together with you and your talent, we want to make consumption sustainable and build the leading marketplace for refurbished products in Europe. Join us on our mission!

WHO YOU ARE

Experience with Go, PostgreSQL, Redis, gRPC, and event-driven architectures

Solid understanding of API design, data modeling, and distributed systems

Significant experience designing and implementing full stack applications

Experience building applications with JavaScript/TypeScript, along with knowledge of modern HTML, CSS, and familiarity with frontend development practices and tools.

You write clean, modular, and maintainable code and care about performance and reliability

Excellent English skills

Located in one of the European time zones

WHAT YOU’LL DO

Design, build, and maintain scalable backend services and APIs in Go that power our web and mobile applications.

Improve system performance, monitoring, and developer experience across the stack

Drive technical design, code quality, and architectural improvements through RFCs and reviews

Develop scalable, high-performance frontend features, while following best practices for performance, accessibility, code quality, and long-term maintainability.

Build and evolve high-traffic, user-facing pages that serve millions of users, ensuring fast load times and excellent usability

Collaborate with other engineers, product managers, and designers to deliver new features end-to-end

Implement A/B tests and rollout strategies for new features

Ensure data integrity, security, and compliance across all user-facing APIs and systems

Review code, mentor teammates, and contribute to technical interviews