Staff Engineer (m/f/d)

You’ll lead cross-domain teams, shape project scopes with stakeholders, and apply a strong product mindset. Your role will bridge technical depth and leadership to drive projects that make a real impact. In detail this means:

Your tasks would be...

  • Coordinating technical planning across domains and teams.
  • Leading initiatives that improve reliability, performance, and observability.
  • Design and modernize systems to meet company goals
  • Setting engineering standards and support technical growth across teams.
  • Coaching other engineers and fostering a learning culture.
  • Optimising performance and scalability in critical services.
  • Troubleshooting and resolving system issues in development and production.

You will fit well, when…

  • You have 7+ years of professional experience in backend development, with deep experience in Object Oriented Languages and knowledge about Interpreted Languages like Ruby.
  • You have worked with modernizing legacy systems to make them more flexible and performant.
  • You have in-depth knowledge of REST APIs, AWS / GCP, MySQL, and CI/CD workflows.
  • You have experience with Kubernetes, Docker, AWS / GCP, and infrastructure as code.
  • You have a proactive approach to leadership and mentoring.
  • You show the ability to align engineering work with business and product goals.
Apply Now

Your Benefits

Wellster works hard to bring many benefits to its employees, ranging from fitness, coaching, discounts and so much more.

Mental health support
Mental health support
Mental health support
Mental health support
Working with professional and fun team
Learning & development allowance
Fitness & Wellster bike club
Public transport allowance
Centrally located offices
Childcare allowance & Kita search support
Working with professional and fun team
Learning & development allowance
Fitness & Wellster bike club
Public transport allowance
Centrally located offices
Childcare allowance & Kita search support

Hear what your future colleague has to say about working at Wellster and the role. Also, feel free to refer to the FAQ for questions.

Working at Wellster is a joy because of the incredible team. Their passion and teamwork turn every challenge into a fun and rewarding opportunity to grow together.

Elizaveta Porseva,

Sr. People Manager

What is the typical hiring process?

After your CV submission, our HR team will get in touch with you. The first call is to get to know the company and the position better; of course, you will get a chance to introduce your ambitious self then. After comes a call with your future Teamlead, which is followed by a case study. The last step is to meet the team and visit one of our locations. Usually. We will always inform you about the next steps during the interviews.

How long is the hiring process?

It will take us a week to get back to you after your CV submission. If everything goes smoothly, the interview processes can be finished in roughly 4-6 weeks.

What is it like to work at Wellster?

Tough question. We’ve asked some colleagues to describe their experience with songs. Some of the answers were: Rolling in the Deep, Oh Happy Day, Show must go on and Eye of the Tiger. What does it mean? We don’t know, we just know that people love it here :)

What language do people speak at Wellster?

Official language of the company is English. We operate so far only on the German Market - so some people/departments must speak German. All the other languages are super welcome to join “the most prevailing language” contest :)

What if I want to see more?

You are welcome to join our Linkedin page to check out News and Announcements.

What if I have more questions?

You can text me at career@wellsterhealth.com

ImprintData privacyWhistleblower