SumUp

Join SumUp’s Lending team as a Senior Backend Engineer and help evolve a live, regulated credit platform serving merchants across Europe and Brazil. You’ll build Go services, improve system observability and reliability, and help scale repayment and servicing capabilities.

Senior iOS Engineer building ordering experiences for SumUp’s Point of Sale platform across iOS and Android. The role combines SwiftUI development with shared Kotlin Multiplatform business logic for reliable, synchronized hospitality workflows.

Build and evolve ordering experiences for SumUp’s Point of Sale apps as a Senior iOS Engineer, using SwiftUI and Kotlin Multiplatform across iOS and Android. You’ll work on complex ordering, synchronization, and hospitality workflows in a large established codebase.

SumUp is seeking a Senior Android Engineer to build and evolve POS features in its SuperApp while helping advance the company’s Kotlin Multiplatform strategy. The role combines Android development, scalable architecture, cross-platform collaboration, and mentoring in an on-site Berlin environment.

Join SumUp’s Global Bank team as a Senior Backend Engineer building reliable, high-volume banking services for ledger operations and global transaction history. You’ll modernize distributed systems, make key architecture decisions, and own services from design through production.

Senior DevOps Engineer responsible for building and operating the AWS- and Kubernetes-based platform that powers SumUp’s engineering teams. The role combines infrastructure ownership, reliability, security and compliance, automation, and developer enablement from SumUp’s Berlin office.

Senior Software Engineer serving as the technical anchor for a new lending squad in Brazil, building a regulated financing product for underserved sole traders. The role focuses on backend systems, Open Finance integrations, credit decisioning, and end-to-end product ownership.

Senior Backend Engineer responsible for building and scaling the card issuing, lifecycle management, and transaction-processing systems used by millions of merchants. The role combines distributed systems engineering, technical ownership, and production reliability in an office-first Sofia team.