As Staff Backend Engineer in LeoVegas Sports, you lead the design and evolution of distributed systems that power real-time sports data, trading and pricing for millions of customers. You’ll provide technical leadership while staying hands-on to raise engineering standards and balance long-term platform health with business needs. You collaborate across teams to simplify complexity, improve reliability, and drive scalable, event-driven architectures that live at the heart of a high-performance sportsbook platform. This role blends architecture guidance with practical delivery and mentorship, shaping our future in a fast-paced, data-intensive domain.
~ Hybrid work policy (2 days from home)
~ Workation (4 weeks)
~300 EUR wellness contribution annually
~ Health insurance (Alan)
~ Life insurance
~ Employee Assistance Program
~ Lead architecture and design discussions for scalable, resilient distributed systems and validate options via spikes and PoCs
~ Drive simplification of complex systems while maintaining performance and code quality
~ Identify and mitigate scalability, resiliency,



and operational risks before production
~ Improve observability, monitoring and readiness; reduce technical debt
~ Promote event-driven architectures, performance optimisation, testing, automation, and CI/CD
~ Mentor engineers through reviews, pairing, and technical guidance
~ Collaborate with Product, Engineering Managers and Architects to translate problems into practical solutions
~ Contribute to a culture of ownership, collaboration and continuous improvement
~ Proven experience designing, building and operating distributed systems at scale in production
~ Strong backend Java experience (preferably Java 21+), JVM internals, concurrency and multithreading
~ Hands-on with Reactive Programming and non-blocking systems using Spring Boot and/or Vert.x
~ Experience with Apache Kafka and event-driven architectures; familiarity with Redis or NATS
~ Experience with Redis caching and with SQL/N

📌 Staff Backend Engineer (España)
🏢 LeoVegas
📍 España