Backend Engineer - Internship (6 months)
AI Summary
Build and release backend features such as card authorization, transfers, onboarding and payment gateways in a squad with full product ownership, working in Go and Ruby with AI tools.
About this role
Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here).
Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,700 Qontoers serving over 750,000 customers across 8 European countries. We have been profitable since 2023, and we are just getting started.
Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit.
AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it.
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➡️ What you'll do
- Ship real features: You'll build and release features such as card authorization, transfers, onboarding or our payment gateway.
- Join the team from day one: You'll take part in the dailies and the team's regular processes like any other engineer.
- Learn from a dedicated mentor: A senior backend engineer will coach you through weekly one-on-ones and continuous feedback.
- Read, write and review production code: You'll work in Go and Ruby, using AI tools (Cursor, Claude Code, Copilot…) to learn and build faster.
- Shape what you build: You'll join product discussions with Tech, Product and Design and help influence the direction of your features.
- Curiosity: You're eager to learn and comfortable navigating complexity.
- Openness to feedback: You take feedback well and use it to grow quickly.
- Coding basics: You know the basics of coding in any language and of SQL.
- AI-native workflow: You already use AI to build, debug and learn faster.
- English: You're comfortable working in English.
- A senior mentor: You get one-on-one time every week with an experienced engineer.
- Direct access to your manager: You have a manager you can go to throughout your internship, beyond your mentor.
- An AI-first environment: AI is part of how the whole team builds, from day one.
- Onboarding: A dedicated learning program, documentation, pair programming and your mentor will get you up to speed quickly.
You'll join one of Qonto's backend squads. Each squad has full ownership of its product scope and works with Product and Design. You'll be part of a 190+ backend engineering community, from all over the world.
Our methodology, the Qonto Way
- We value upfront technical design, team reviews, and smart slicing — quality drives the velocity our customers need.
- Our org assigns one team lead per project across stacks, giving your team a clear mission and full autonomy on how it operates.
- Our lean toolbox, Kaizen and PDCA, lets you monitor and drive continuous improvement collaboratively with your peers and manager.
Perks
Flex your schedule. Work from home up to 2 days a week with our hybrid policy.
Stay active. Gympass gives you access to 3,000+ sports and wellness partners.
Eat well. Lunch card, 50% on us.
Get around. 50% of the cost of your public transportation pass is covered.
Enjoy the rest. Team events, snacks, and beverages.
Take time off. 1 paid day off per month, no questions asked.
Be yourself. An inclusive, supportive environment where everyone belongs.
Skills
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Market data for backend engineer roles
All reports →- Role reportBackend engineer jobs, Sep 2026: new listings up 22.7% in a weekBackend engineer new listings rose 22.7% this week to 481, with 4,949 active roles. Senior positions make up over half. Apply early to new openings.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.