Senior Software Engineer - (Fintech, Payments)

Company Description As the world’s pioneering local delivery platform, our mission is to deliver an amazing experience, fast, easy, and to your door. We operate in around 65 countries worldwide, powered by tech, designed by people. As one of Europe’s largest tech platforms, headquartered in Berlin, Germany, Delivery Hero has been listed on the Frankfurt Stock Exchange since 2017 and is part of the MDAX stock market index. We push hard, learn quickly and stay human along the way. It’s this wonderful mix of high performance and real community that makes Delivery Hero a place where ambition and belonging grow side by side. If you’re curious, collaborative and ready to dive deep into meaningful work, you’ll fit right in. Job Description Big systems. Exciting challenges. Real impact. As a Senior Software Engineer, you’ll build and scale the internal Payments engine that handles payments for the entire Delivery Hero. Your work keeps checkout reliable and payment failures low for customers across our markets. Our Fintech team builds Wallet, Payment, and Anti-Fraud solutions worldwide. You’ll focus on the core payment features that manage the lifecycle of different payment flows, ensuring consistency and reliability of payment operations. Be part of building the financial backbone of Delivery Hero. You’ll develop products that empower millions of customers and merchants, from seamless payments to innovative financial solutions like wallets and credit. Your work will support our path to profitability by creating financial flexibility for users and enabling smooth transactions across our markets. 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 Qualifications 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 have Experience in payments, wallet, or anti-fraud domains Experience with event-driven architectures (e.g. Kafka) Experience mentoring other engineers Additional Information Ensuring you and all our Heroes are looked after, happy, and healthy is always on the menu. Because if you’re in good shape, then we’re in good shape. 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. Get moving and release those wonderful, mind-boosting endorphins: Health Checkups, Meditation & Gym. Cash. Dough. Cheddar. Whatever you call it, we’ll help you with it: Employee Share Purchase Plan, Sabbatical Bank, Public Transportation Ticket Discount, Life & Accident Insurance, Corporate Pension Plan The power of getting together over some food is unrivaled. Here are a few ways to help you do that. All the yum: Digital Meal Vouchers and Food Vouchers. Wondering what relocating to Berlin is like? In this article, we’ve put together 10 things you should know about moving to Berlin and how Delivery Hero can support you. You can also visit our relocation hub and check out more information about moving to Berlin. Ready to prepare for your interview? Check out the list of the 5 most common interview questions and answers created in collaboration with our recruiters. Heads up: exact benefits may look a little different for intern, working student, fixed-term, and part-time roles. Ready to join our team? If you’re excited to grow, collaborate and be part of the world’s leading delivery platform, we’d love to hear from you. Apply today! We believe diversity and inclusion are key to creating not only an exciting product, but also an amazing customer and employee experience. Fostering this starts with hiring - therefore we do not discriminate on the basis of racial identities, religious beliefs, color, national origin, gender identities or expressions, sexual orientations, age, marital or disability statuses, or any other aspect that makes you, you. We encourage you to let us know if you need any accommodations or specific accessibility support to ensure a smooth interview experience—just let us know with an email to our Inclusion Officer at inclusion@deliveryhero.com . You're welcome to share your pronouns (he/she/they) right from the start so we can address you respectfully from our first contact.