Fullstack Developer (m/f/o)

Are you a true web-developer (m/f/o) with knowledge in Java, HTML5 and CSS3? Do you love to create beautiful user-interfaces and to try out new web frameworks? Do you want to work in a team of professionals and continuously improve your own development skills? Then apply now and become part of the great COYO story!

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Department: Software Engineering

Start: asap

City: Hamburg

What we're looking for

  • We are looking for software developers (m/f/o) with a passion for cool user-interfaces and a sense for crisp UX
  • Our software is currently written with Java, the Spring Boot and Hibernate framework, with MongoDB and Redis as database and caching solution respectively. The architecture of our choice is RESTful and we use the ELK stack. Our Frontend is written in Angular. You already have experience working with these technologies? That is exactly what we are looking for!
  • You want to get involved in improving the product by voicing your own ideas and by putting your experience to work
  • You are ready to work in a young team of professionals on a product that is guaranteed to change the work-life of our customers

Your job

  • Build - As part of our 40-strong agile development team, you will be responsible for developing new features for our product (COYO)
  • Plan - You refine and plan the product backlog in close cooperation with our POs
  • Improve - You do code- and quality checks, do refactorings and fix bugs to improve the product further. You can also to put your skills to the test during the biweekly Free Coding Days.
  • Teach - You help new colleagues during their onboarding process and you work closely with your team mates every day, doing code-reviews and pair programming as well as participating in regular Tech Talks

What we offer


The hard facts:

An open-ended employment contract, 28 vacation days a year, a MacBook Pro (also for private use), a subsidy for the HVV ProfiCard and company pension scheme.


All the trappings:

You're part of our team of smart, curious team players who work hard every day for our great product. Of course, this includes your stylish workplace in a modern office with an ingenious infrastructure. Apart from that, we turn you into an absolute professional when it comes to the daily use of COYO.


Hungry or thirsty?

Enjoy fresh organic fruit and free drinks like Viva con Agua, Club Mate, Bionade, freshly ground coffee,...


You like to travel?

With our COYO Teambus, a fully equipped VW T6 California Ocean, you can enjoy your free time even when you are not in Hamburg.


Are you a sports enthusiast?

Every Tuesday, we start our working day with an in-office yoga session. Additionally, you get a discount at the Zanshin Dojo around the corner and at the Urban Sports Club.


Last but definitely not least:

An open corporate culture, the balance of work, family and private life ensured through our flexible working hours with no core working hours, but instead with a home office option and lots of company events (e.g. sofa concerts, after work drink at the office bar, LAN parties, COYO PokerStars tournaments,...).

What our team says

Lionel Pedro

Service Operator

"What I love about the work I do for COYO is that I have a huge amount of Freedom in my daily work to complete my tasks without being limited in terms of creativity. Paired with the flat hierarchy and solution-driven mindset I’m able to fully tap into my potential to grow as a person and grow the company."

Dennis Schatteburg

Customer Success Manager

"I love that we at COYO are like one big family. That's why I like to put in 100% every day to achieve our common vision. In order for our customers to benefit from this, I am in direct contact with them every day and help them to succeed further."


Jan Lauer

Key Account Manager

"As a direct contact between customer and product, a key account manager working for COYO is responsible for understanding the customer's needs and developing solutions together with a motivated team, which not only satisfy the customer, but also make us proud of our product."

Meet the COYO Team

We are a smart, approachable team that offers a cool product to customers in a fresh and dynamic way. We are extremely active, adapt quickly, and strive for total success.

Learn more about us

Apply now!

Our HR team is looking forward to receiving your application by phone or email.

Questions about the position or how we do things here? Stephanie will happily answer all your questions:

+49 (0)40 609 4000-772

Apply now