Backend Developer (with DevOps Expertise) - hybrid (Berlin) (m/f/d)

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