Senior Software Engineer

iGaming / Sportsbook / Online Casino | Senior Java Backend | Kafka or Rabbit MQ |

Hybrid in Madrid.

Ideally with payments, iGaming/Gambling or FinTech experience (integrations and payments gateways)

My client in the iGaming industry (online Casino and Sportbooks) is looking for a Senior Java developer , to work hybrid from Madrid (3 days in the office, 2 days remote).

Role Overview

We are seeking a Senior backend engineer to build and scale core platform services in a distributed, event-driven environment. The role focuses on designing reliable, high-performance systems, including APIs, asynchronous workflows, and distributed transactions. You will ensure system resilience, data integrity, and observability while contributing to testing, security, and CI/CD practices. Collaboration with engineering, DevOps, and compliance teams is key to shaping architecture and maintaining high standards across performance, scalability, and reliab...