Requirements

• Proven experience designing and delivering software systems in complex business domains at global scale, within fintech or payments
• Deep backend engineering expertise, with a strong preference for distributed systems
• Hands-on expertise in Java, Kotlin, Spring / Spring Boot, Hibernate, and JUnit
• A strong engineering ownership mindset with a passion for automation, CI/CD, and reliability
• Strong problem-solving skills and curiosity in approaching complex challenges
• A high bar for quality, performance, and attention to detail

Nice to haves

• Experience in payments, wallet, or anti-fraud domains
• Experience with event-driven architectures (e.g. Kafka)
• Experience mentoring other engineers

What you'll be doing

• Design, build, and deliver highly scalable software systems in complex, global environments used across more than 70 countries, applying secure coding practices throughout the development lifecycle
• Lead backend engineering efforts with a focus on distributed systems, using Java, Kotlin, Spring / Spring Boot, Hibernate, and JUnit, and drive architectural decisions for your features with design patterns, SOLID principles, and Domain-Driven Design
• Own services end-to-end with a “you build it, you run it” mindset, including infrastructure automation and continuous deployment
• Define and apply testing strategies across unit, integration, contract, and end-to-end levels
• Diagnose and resolve complex production issues across multi-region, distributed microservices, and promote reliability, on-call, and observability best practices
• Mentor teammates and evangelize engineering best practices to continuously improve how the team builds and ships software

Perks and benefits

• Hybrid working model with 2 days per week in the beautiful Berlin campus
• 27 days holiday with an extra day on 2nd and 3rd year of service
• Support for career development including €1,000 Educational Budget, Language Courses, Parental Support, and access to Udemy Business platform
• Health benefits including Health Checkups, Meditation, and Gym
• Financial benefits such as Employee Share Purchase Plan, Sabbatical Bank, Public Transportation Ticket Discount, Life & Accident Insurance, Corporate Pension Plan
• Digital Meal Vouchers and Food Vouchers to foster team connection over food
• Support and resources for relocating to Berlin
• Inclusive work culture with diversity and accessibility support