Senior Software Engineer - Transaction Processing (Java, AWS, DynamoDB)

At PPRO, we simplify access to local payments - providing a local payments platform that empowers giants like PayPal, Stripe, and Microsoft to connect with billions of consumers worldwide. We are on an ambitious, fast-paced mission to 3x our growth by 2028 - and we’re just getting started. Our magic lies in our team of proud payments nerds. Spanning over 50 nationalities across 10+ global locations, our diverse cultures aren't a checklist; they are the competitive advantage driving our innovation. This is a people-first, high trust environment where you’ll have the autonomy to make a massive impact, own your work end-to-end, and grow through broad exposure, meaningful challenges, and continuous learning. We get things done, challenge respectfully, put the customer first, and recognise that our biggest successes are those we create as a team. If you’re ready to leave your footprint on global commerce, join us. The Purpose: At PPRO, Senior Software Engineers (m/w/x) make some of the most significant decisions for the company. Think of yourself as an important contributor to the success of your team, with a significant impact on the team’s product, but also on its culture and spirit. The Transaction Processing - Gateways team in Berlin is in charge of building, enhancing and maintaining payment processing products, with PPRO Global processing gateway as the core platform. The team needs to ensure the platform is continuously fully-featured, scalable, reliable, cost-efficient, secure, and auditable while discovering new ways to reduce the integration efforts from customers and reduce the time to enable new payment methods. What you’ll do: Build and maintain PPRO’s main payment processing engine that is exposed via the PPRO API. Own end-to-end products and services from design to rolling out to production. Execute with a "you build it, you run it" mindset, potentially participating in an on-call rotation. Share your knowledge and build creative solutions while helping your team as well as stakeholder teams to evolve for the best practices. Be an integral part of an agile team that collaborates closely and transparently via pair programming, asynchronous communication over ADRs and RFCs, knowledge sharing as well as on-demand brainstorming sessions. Use the latest technologies to solve real problems for our customers at a massive scale. What we look for in you: Results-orientated, collaborative, pragmatic mindset. Experience in designing and building scalable products and services. Motivation and appetite for problem solving. Great skills to break down complex problems into manageable and deliverable pieces. Excellent writing and drawing skills and willingness to express your ideas in such forms to provide the best overview possible for any incoming problem. Working proficiency in English. Technical requirements: In the transaction processing domain, we build and maintain PPRO's primary payment gateway. Therefore, our expectat