Senior Backend Engineer (Sportsbook)

Quick Facts

• Role: Senior Backend Engineer (Sportsbook)

Description

You’ll join a team focused on the Sportsbook domain to work on impactful backend problems and shape backend architecture. You will collaborate with Staff Engineers, product managers, architects, QA, and developers to design and deliver features from idea through production. You’ll build scalable, available, performant, and secure microservices and ensure they are production-ready with observability and maintainability.

Responsibilities

• Take ownership, solve problems, and collaborate with other teams
• Design and implement solutions from idea to production
• Build for scale, availability, performance, and security across the stack
• Integrate new products and build internal services supporting the ecosystem
• Conduct code reviews and mentor team members
• Ensure services are production-ready, observable, and maintainable via monitoring, alerting, and on-call participation

Requirements

• 6+ years of software development experience with Java, Spring Boot, and event-driven architectures
• Experience designing microservices using Kubernetes and containerization (Docker)
• Experience with Kafka messaging systems
• Knowledge of relational and NoSQL databases and caching
• Experience implementing resilience patterns such as retries, circuit breakers, and graceful degradation
• Experience designing and maintaining monitoring dashboards (metrics, logs, traces) and alerts
• Hands-on experience developing highly scalable RESTful end-to-end microservices

Benefits

• Hybrid work policy
• 4 weeks of Workation (T&C apply)
• Benefits package: 800 PLN net (B2B) / gross (UOP) monthly, plus access to cafeteria platform (private medical care, insurances, sports card)
• Training budget
• ICAS assistance program
• Office perks: complimentary snacks and drinks; complimentary breakfast on Mondays
• Team and office social events throughout the year
• Free parking for bicycles and motorcycles
• Free gym in the building
• Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25)