A leading brain training platform in Berlin is empowering millions of users globally to stay fit and independent through digital health solutions. The company collaborates with scientists and universities to deliver evidence-based results, and its award-winning apps are recognised by major health insurers and public institutions. Their medical app is even prescribable by doctors in Germany, with costs covered by public health insurance.
To support continued growth and innovation, the team is seeking a passionate DevOps/Backend Developer (mid-level or senior) to help build robust services and infrastructure, driving both product and business impact.

What You Will Do

Deploy and operate systems to ensure stable, scalable infrastructure.
Develop and maintain new backend features for a user base numbering in the millions.
Contribute to microservices architecture with high-quality code, ideas, and backend best practices.
Take responsibility for code efficiency, stability, and maintainability.
Work with modern technologies and frameworks.
Collaborate in a cross-functional, agile team, while also working autonomously.
Directly impact the success of a digital health platform used worldwide.

Required Experience

At least 2 years of hands-on experience with Docker and Kubernetes, including cluster management.
Experience deploying and operating production systems.
Proficiency in PHP 8.x.
Strong experience with MySQL (version 5.7 or higher), including writing and optimizing raw SQL for scalable performance.
Familiarity with Laravel Lumen or Slim frameworks and understanding of MVC architectures.
Proficiency in unit testing and writing clear, well-documented code.
Advanced SQL knowledge for handling large, high-performance datasets.
Experience with cloud platforms such as AWS or Heroku.
Stable, fast internet connection for remote work and video calls.

Who Should Apply

At least 3 years of experience as a Backend Developer.
Passionate about making a positive impact on people's lives through digital health.
Personally interested in self-improvement and continuous learning.
Located within ±2 hours of Berlin (CET), residing in the EU, UK, or Switzerland.
A team player who enjoys supporting colleagues and working collaboratively.

What's Offered

The chance to create real value for millions of users.
Significant impact on a platform at the intersection of health and technology.
Exciting, meaningful projects rather than typical corporate or agency work.
Opportunity to help revolutionise health and education systems.
Flexible working hours (core time: 9:30am - 4:30pm CET).
Remote-first setup, with the option of a desk in the Berlin office or a co-working space in your city.

If you're looking to shape the future of digital health in a purpose-driven environment, this could be the right opportunity for you.