To apply: https://grnh.se/s6g1cj421us

• 6+ years of software development experience - a focus on building scalable backend systems and data-intensive applications
• High proficiency in Java and Spring Boot expertise - extensive experience building production-grade microservices with Spring Boot, including dependency injection, auto-configuration, and Spring ecosystem integration
• High-volume traffic architecture experience - proven ability to design and implement systems handling millions of daily requests
• Experimentation platform expertise - hands-on experience with A/B testing frameworks, traffic allocation algorithms, and experiment lifecycle management
• Database design proficiency - experience with relational (MySQL/PostgreSQL) databases
• API design excellence - proven track record of designing RESTful APIs and SDKs for multi-language client integration (Java, Python, JavaScript, PHP)
• Test-driven development - expertise in unit testing components, integration testing for experiment flows, and performance testing under load
• Excellent written and verbal communication skills in English with the ability to clearly explain technical concepts to others

As a Senior Software Engineer in the Experimentation Platform, you will:

• Work with engineering and data teams
• Maintain high-quality standards and continuously improve our system and processes
• Design and develop efficient solutions that can continue to scale
• Contribute to the team’s roadmap and long-term strategy
• Work with Java, Spring Boot, PostgreSQL, Node.js, Vue.js, Kafka, Kubernetes

• Monthly allowance for transport (Deutschland ticket)
• Bonuses for successful employee referrals
• Virtual shares so you can be part of our success
• Company contributions to personal pension plans
• 40 days per year for telecommuting
• 20% discount for friends & family on GetYourGuide activities
• Discounted Urban Sports Club membership
• Mental wellbeing services with nilo.health
• In-house gym and fitness classes
• 1,000€ yearly for courses and training
• Language course reimbursement
• Regular meetups, workshops, and hackdays
• Mentorship program
• Access to AI tools like ChatGPT and GitHub Copilot
• 10 days of paid educational leave every 2 years