Backend Engineer - Gaming

ABOUT THE ROLE   Join our dynamic Gaming Team, comprising skilled Backend Engineers and QA experts dedicated to developing and maintaining our cutting-edge Gaming Engine.   As a Backend Engineer, you'll play a pivotal role in utilising the latest technologies to craft cloud-based, distributed, scalable, and fault-tolerant microservices capable of handling a staggering volume of gaming transactions—approximately 1.3 billion per month. Collaborating closely with stakeholders, including the Regulatory Reporting Team and game operations teams, you'll spearhead innovative projects such as LeoJackpot while ensuring seamless API integrations and optimising performance for an unparalleled gaming experience.   This role is perfect for software craftspeople who thrive in an environment of continual learning, value effective communication, and are eager to push the boundaries of technology within the gaming industry. YOU WILL BE RESPONSIBLE FOR: - Developing and maintaining microservices using Java, Spring Boot and JPA - Integrating new gaming providers into the platform via APIs - Collaborating with frontend teams to expose game data via APIs - Optimising the performance and scalability of backend systems - Ensuring services are production-ready, observable and maintainable through monitoring and alerting - Taking ownership, solving problems and collaborating across teams OUR SUCCESSFUL CANDIDATE WILL HAVE: ESSENTIAL SKILLS - 3+ years of backend development with Java, Spring (Boot) and JPA/Hibernate - Hands-on experience building highly scalable RESTful microservices - Experience with relational databases such as MySQL - Experience implementing resilience patterns (e.g. retries, circuit breakers, graceful degradation) - Experience designing monitoring dashboards (metrics, logs, traces) and alerts to detect issues proactively NICE TO HAVES - Messaging and data: Kafka, Elasticsearch, Hazelcast - Languages and frameworks: Kotlin, Node.js, Akka, GraphQL - Infrastructure: Docker, Kubernetes, Google Cloud Platform, Consul - Observability: Datadog - Online gaming or gambling experience - AI-assisted development (ideally with Claude Code) WHO ARE WE? At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the igaming industry. We’re a team of over 2000 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 19 offices worldwide. BENEFITS - Hybrid work policy (2 days a week of working from home) - 4 weeks of Workation (T&C apply) - 300 EUR wellness contribution annually - Cobee - benefits app with flexible compensation and discounts - Health insurance (we use Alan) - Life insurance - Employee Assistance Program (free emotional, legal, and financial support) - Short Fridays - we work until 16:00 - Complimentary snacks and drinks in our offices, Monday breakfast and Wednesday fika (Swedish break for coffee and something sweet) - Team and office social events throughout the year JOIN US! In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen!   Think you’d be a good fit for the Leo Pride? Give us a roar!     As our company working language is English, please submit your CV in English