Senior Backend Engineer - Fiscalization

Senior Backend Engineer - Fiscalization at SumUp in Warsaw, Poland. **What you'll do** - Build and maintain fiscal compliance solutions for expansion across Italy, Sweden, Norway, Belgium, and Austria. - Develop integrations with third-party services for receipt fiscalization and regulatory reporting. - Navigate SumUp's complex POS ecosystem and master fiscalization frameworks across multiple jurisdictions. - Collaborate with distributed squad members and stakeholders in a hybrid environment. **What they're looking for** - 5+ years experience in backend engineering with Java and/or Kotlin. - Strong understanding of system architecture, design principles, data modeling, and API design. - Experience with distributed, fault-tolerant systems and user-level knowledge of AWS and Kubernetes. - Good knowledge of Kafka, Postgres, & CQRS. **Details** - Location: Warsaw, Poland - Type: Full-time (Hybrid)