java developer in Sportsbook at Enfint – Warszawa | Jobyssey

Описание

LeoVegas Group is building a world-class Sportsbook platform. Its Sports domain operates in a high-volume, real-time environment, transforming sports, trading and pricing data into experiences used by millions of customers.

Задачи

Lead architecture and design discussions for scalable, resilient and maintainable distributed systems through spikes, experiments and proofs of concept; Drive simplification of complex systems while maintaining high standards for performance, reliability and code quality; Identify scalability, resiliency and operational risks before production and lead root cause analysis during incidents; Improve observability, monitoring and operational readiness; Drive down technical debt across the platform; Promote best practices in event-driven and reactive architectures, performance optimisation, testing, automation and CI/CD; Mentor engineers through design reviews, code reviews, pair programming and technical guidance; Partner with Product, Engineering Managers and Architects to translate business problems into practical solutions; Help shape and break down technical initiatives; Contribute to a culture of ownership, collaboration, continuous improvement and engineering excellence.

Требования

Proven experience designing, building and operating distributed systems at scale; Experience owning complex backend systems end-to-end in production; Strong backend expertise in Java, preferably 21+; Solid understanding of JVM internals, concurrency and multithreading; 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; Experience with Redis for caching and low-latency data access; Experience with SQL and NoSQL databases, including PostgreSQL, MariaDB and MongoDB; Experience with observability and monitoring platforms such as Datadog, Grafana or Kibana; Experience debugging complex production incidents; Strong system design and architectural decision-making skills; Ability to balance latency, throughput, consistency, operational complexity and maintainability; Ability to influence technical decisions and communicate effectively with engineers, architects, product managers and other stakeholders; English for work communication; Nice to have: Kubernetes, AWS and/or GCP, cloud-native architecture patterns, OpenSearch and/or Elasticsearch, internal platforms, shared frameworks, developer productivity tooling, a strong SRE mindset, experience in sports betting, gaming or other real-time, data-intensive domains.

Условия

Competitive salary aligned with experience, expertise and impact
Hybrid work policy and 4 weeks of Workation
Benefits package of 800 PLN net (B2B)/gross (UOP) monthly through the cafeteria platform
Private medical care, insurances and sports card
Training budget and ICAS assistance programme
Complimentary snacks and drinks in the office
Complimentary breakfast on Mondays
Team and office social events throughout the year
Free parking for bicycles and motorcycles
Free gym in the building
MacBook Pro and smartphone, iPhone 16/17 or Samsung Galaxy S25

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