Staff Backend Engineer - Sports
Málaga, Andalusia, Spain Hybrid
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About the role
LeoVegas Group is building a world-class Sportsbook platform. Within the Sports domain, we work in a high-volume, real-time environment where speed, correctness, scalability and reliability are critical, building the services that transform incoming sports, trading and pricing data into experiences used by millions of customers. We are looking for a highly experienced Staff Backend Engineer to help lead the design, development and evolution of these distributed systems. You will provide technical leadership across architecture, engineering practices and platform evolution while remaining hands-on, helping teams make better technical decisions, raise engineering standards, simplify complex systems and balance business needs with long-term platform health. This role suits someone who enjoys understanding the technical and business context behind problems rather than implementing solutions mechanically. We value engineers who are curious and proactive, comfortable with ambiguity, and who lead through collaboration and ownership rather than authority.
What you'll bring
- Proven experience designing, building and operating distributed systems at scale, owning complex backend systems end-to-end in production.
- Hands-on experience with Reactive Programming and non-blocking systems using Spring Boot and/or Vert.x.
- Hands-on experience with Apache Kafka and event-driven architectures
- familiarity with streaming and messaging technologies such as Redis or NATS.
- Experience with Redis for caching and low-latency data access, and with SQL and NoSQL databases (e.g. PostgreSQL, MariaDB, MongoDB).
- Experience with observability and monitoring platforms such as Datadog, Grafana or Kibana, and with debugging complex production incidents.
- Strong system design and architectural decision-making, balancing latency, throughput, consistency, operational complexity and maintainability.
- Ability to influence technical decisions and communicate effectively with engineers, architects, product managers and other stakeholders.
- Strong backend expertise in Java, with a solid understanding of JVM internals, concurrency and multithreading.
- Experience with Kubernetes, AWS and/or GCP, and cloud-native architecture patterns.
- Experience with OpenSearch and/or Elasticsearch for search, analytics and operational troubleshooting.
- Experience building internal platforms, shared frameworks or developer productivity tooling, with a strong SRE mindset.