Backend Developer (with DevOps Expertise) - hybrid (Berlin)

Your mission

As a Backend Developer with DevOps expertise at NeuroNation, you will be responsible for building and maintaining the robust systems and infrastructure that power our Brain Training platform. You’ll play a key role in deploying, scaling, and securing our backend services while also contributing to feature development. Working in a cross-functional, agile team, you’ll have the opportunity to bring new ideas, ensure stability and performance, and directly impact millions of users worldwide.

Key Responsibilities

• Deploy, operate, and maintain systems to ensure stability and scalability
• Develop new features for backend services serving millions of users worldwide
• Contribute to microservices with clean code, fresh ideas, and best practices
• Take ownership of code quality, performance, and stability
• Work with modern technologies and frameworks
• Collaborate in a cross-functional, agile team while being able to work independently
• Have a direct impact on the success and growth of NeuroNation

Your profile

• 3+ years of experience as a Backend Developer
• Solid experience with Docker & Kubernetes (2+ years) and managing deployments
• Strong backend skills in PHP 8.x and MySQL (including efficient SQL)
• Familiarity with Laravel Lumen or Slim, and MVC architecture
• Good testing habits (e.g., PHPUnit) and writing clean, maintainable code
• Experience with cloud platforms (Heroku, AWS)
• Passion for building meaningful products that improve people’s lives
• Team-player mindset, with strong collaboration skills
• Based in Berlin or willing to relocate
• Hybrid role: ability to work from our Berlin office at least 3 days per week
• Bonus: Interest in working with large-scale databases and performance optimization

Why us?

• Work on something that truly creates value for people
• Make a significant impact on a platform used by millions worldwide
• Take on meaningful, exciting projects instead of routine corporate or agency work
• Help revolutionize health and education systems through technology and innovation
• Enjoy flexible working hours (core hours: 9:30–16:30 CET)
• Receive a BVG ticket to support sustainable and convenient commuting
• Access an Urban Sports Club membership for your well-being and work-life balance
• Be part of an open, supportive culture that values learning, growth, and collaboration

About us

For 15 years, we have been developing digital training programs that are proven to enhance cognitive performance and are easily accessible to people worldwide. Today, our health app NeuroNation is available in 13 different languages and is used by over 30 million people. Our cognitive therapy program, NeuroNation MED, has been permanently approved as a digital health application by the Federal Institute for Drugs and Medical Devices and supports approximately one-quarter of all patients with mild cognitive impairment (ICD-10 F06.7) in Germany. Our long-term goal is to establish the first virtual clinic for cognitive and mental health.

Why You Should Join NeuroNation
We build science-backed brain-training and digital cognitive therapy that reaches millions of people. Your work here will shape how people care for their minds every day.

Impactful Work: Working with us means contributing to a product that profoundly impacts cognitive health. Our brain training programs, backed by cutting-edge neuroscience and cognitive psychology, are designed to enhance cognitive functions, improve working memory, and elevate our users' quality of life.

Inspiring Environment: At NeuroNation, you'll join a vibrant team of passionate and innovative professionals. We believe that collaboration and creativity thrive in a fun and inclusive environment. From team-building activities to spontaneous brainstorming sessions, we make sure that work is both productive and enjoyable.

Flexible hours: Our flexible working hours and remote work policy let you tailor your work schedule to fit your lifestyle, ensuring you can perform at your best.