About the opportunity
We are looking for a Senior Software Engineer, Java OR Kotlin - (Fintech) to join our Payments team and build worldwide innovative Wallet, Payment, and Anti-Fraud solutions. Work and scale our internal Payments engine that would handle payments for the entire Delivery Hero. If you're a creative problem solver who is eager to deliver solutions and hungry for a new adventure, an international workplace is waiting for you in the heart of Berlin!
What You Will Do
- Design, build, and deliver highly scalable software systems operating in complex, global business environments, used across more than 70 countries
- Lead backend engineering efforts with a strong focus on distributed systems, leveraging Java, Kotlin, and modern frameworks such as Spring / Spring Boot, Hibernate, and JUnit
- Own services end-to-end by embracing a true "you build it, you run it" mindset, with deep involvement in infrastructure automation and continuous deployment
- Define and execute highly effective testing strategies by applying unit, integration, contract, and end-to-end testing at scale
- Drive high-quality software design by systematically applying design patterns, SOLID principles, and Domain-Driven Design (DDD)
- Build secure, resilient systems by applying secure coding best practices throughout the development lifecycle
- Rapidly diagnose and resolve complex production issues across multi-region, distributed microservices platforms
What you need to be successful
- Proven experience designing and delivering software systems in highly complex business domains at global scale
- Deep backend engineering expertise with a strong preference for distributed systems
- Hands-on mastery of Java, Kotlin, Spring / Spring Boot, Hibernate, and JUnit
- A strong engineering ownership mindset with a passion for automation, CI/CD, and reliability
- Exceptional problem-solving skills, curiosity, and a creative, outside-the-box approach to complex challenges
- A high bar for quality, performance, and craftsmanship — with a relentless attention to detail
What's in it for you
- Make the most of our hybrid working model and join the team for face-to-face connection and collaboration in our beautiful Berlin campus 2 days a week
- We offer 27 days holiday with an extra day on 2nd and 3rd year of service
- We will support you in developing yourself and your career growth opportunities: 1.000 € Educational Budget, Language Courses, Parental Support and access to the Udemy Business platform to explore a variety of online courses
- Health Checkups, Meditation, Gym & Bicycle Subsidy
- Employee Share Purchase Plan, Sabbatical Bank, Public Transportation Ticket Discount, Life & Accident Insurance, Corporate Pension Plan
- Digital Meal Vouchers, Food Vouchers, Corporate Discounts