You will join the team of high-skilled Engineers in the Regulatory Reporting Team, responsible for maintaining and developing regulatory reporting functionality for the casino platform in many markets. The solution is mostly settled, but the team is working on the improvements and evolutions as well. YOU WILL BE RESPONSIBLE FOR: business requirements analysis exploring others' domains API writing documentation implementing microservice code and tests troubleshooting performance fixing and tuning testing (however, we keep working on automated tests) You can also be asked to be available on-call a maximum of once per quarter (for a week of on-call availability you will get an additional 2 500 PLN net). OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING:ESSENTIAL SKILLS Min. 4 years of experience in using Java + Spring Boot framework You have experience with MySQL You have a desire to develop and work in the data engineering field and become an SQL expert, but no prior experience is required You are familiar with microservice architecture You speak English fluently (C1 level is a minimum, as we communicate mostly in English)  NICE TO HAVESExperience with Kotlin and/or Kafka  WHO WE AREAt 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 1800 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 16 offices worldwide. BENEFITS Hybrid work policy 4 weeks of Workation (T&C apply) Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card) Training budget ICAS assistance program that can provide help and guidance during challenging moments. Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast. Team and office social events throughout the year Free parking for bicycles and motorcycles Free gym in the building Equipment: MacBook Pro + smartphone (iPhone 15 or Samsung Galaxy S24) 🏢 Our office is located in the centre of Warsaw - on Królewska 16 👑As our company working language is English, we’d like to see your CV in English pleaseMore about us:Careers site: www.leovegasgroup.com/careersLinkedIn: https://www.linkedin.com/company/leovegasgroup/Instagram: www.instagram.com/lifeatleo/