Backend Engineer Internship (Hybrid)

About the role

We're looking for a Backend Engineer (Intern) to join our engineering team and grow with us from day one. This is a hands‑on role for someone at the start of their career: you'll write real code that ships, work on services and databases that power our products, and learn how a production system actually behaves under load.

Key responsibilities

• Build and maintain backend features under the guidance of senior engineers.
• Write and optimize SQL queries, and work with relational databases (MySQL/PostgreSQL) in day‑to‑day tasks.
• Integrate with internal and third‑party APIs.
• Use AI coding assistants to write, refactor, and debug code.
• Write tests and help keep our codebase clean and readable.
• Take part in code reviews, stand‑ups, and technical discussions.
• Investigate bugs, reproduce issues, and propose fixes.

Required profile

• Curious and persistent, willing to admit knowledge gaps and figure them out.
• Good English communication skills.
• Genuine willingness to learn and take feedback.

Required skills

• Python or Node.js (backend programming language)
• MySQL
• PostgreSQL
• SQL
• Git
• AI coding assistants (e.g., Claude Code)
• Docker
• Linux basics
• REST APIs
• GraphQL
• Caching concepts

What we offer

• Highly dynamic and fast‑growing environment.
• International team with more than 25 nationalities.
• Competitive internship compensation and fully paid commuting expenses.
• Hands‑on mentoring from experienced engineers and real production work from week one.
• Hybrid work setup with a healthy work‑life balance.
• Warm daily lunch in the office.
• Recently renovated office near Leidseplein in Amsterdam.