Group Senior Software Developer - Madrid

Current Opportunity

We are seeking a Senior Software Engineer to join our Group Technology Team in Madrid (Hybrid) . You will be responsible for designing and delivering a next‑generation Player Account Management platform, engineered for transactional correctness, data integrity, and operational resilience. The role requires taking complete ownership of the architecture and engineering standards that future teams will build upon, while fostering a culture of technical excellence. You will work on hard distributed systems problems in regulated environments where failure modes must be explicitly designed, audited, and traceable.

What You’ll Be Doing

• Design and implement core services (identity, transactional flows, data integrity) within an event‑driven architecture.
• Build asynchronous workflows with strong guarantees: idempotency, consistency, and auditability.
• Design high‑performance REST APIs with clea...