Qonto

Backend Engineer - Internship (6 months)

Berlin, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the 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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Join us as a Backend Engineer Intern and help build the financial features our customers use every day. You'll work in a squad with full ownership of its product scope, learning on real production code with senior engineers. This is an end-of-studies internship, though strong candidates at any level are welcome.
➡️ 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.

➡️ What we're looking for

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.

➡️ What we can offer you

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.

➡️ Your future team
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.

Want to go further? Click here.

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.

At Qonto, we understand that true diversity isn’t just about ticking boxes on a hiring checklist. Apply regardless of the boxes you tick — who knows? You may have the missing piece of the puzzle we’ve been searching for all along.

 

By applying, you agree that Qonto processes your personal data to assess your application. Your data is kept for up to 2 years in our candidate pool. Read our Privacy Notice for full details.

 

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On average, our hiring process lasts 15 working days, with 3 steps:

Interview with our recruiter

Interview with your future mentor/manager

Case Study debrief

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🔒 Your security matters to us

Recruitment scams are on the rise. Keep in mind, we will never work with third-party platforms or agencies that request payment from candidates.

If you receive a suspicious message claiming to be from Qonto, please report it right away (

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Finance Human Resources Writing Backend Engineer Mid level

Likely questions

  1. Tell us about work you have done that is close to the Backend Engineer - Internship (6 months) role.
  2. How would you approach your first 30 days at Qonto?
  3. Which of Finance, Human Resources and Writing have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Finance, Human Resources and Writing.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Backend Engineer - Internship (6 months) role because I can bring practical experience in Finance, Human Resources and Writing, learn the team quickly, and contribute to the outcomes Qonto needs from this hire.

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