Senior Java Software Engineer

Job DescriptionABOUT US: The Sports Data & Odds Engineering organization is responsible for developing, delivering, and operating a broad portfolio of products that power Sportradar's global sports data and betting ecosystem - processing millions of real-time events every day for media companies, sports federations, betting operators, and consumer apps across 120 countries. Working closely with rights holders, media organizations, and betting partners, our teams build and maintain highly scalable systems that support the collection, processing, analysis, and distribution of sports data and odds across more than 30 sports disciplines, including e-sports. The development teams based in Warsaw contribute to multiple products and initiatives across these domains, building distributed systems that operate at global scale, process millions of events daily, and deliver mission-critical services that are available 24/7. THE CHALLENGE: This is a role for an engineer who wants to own things - not just deliver them. You will take complex technical initiatives from design through to production, work across a high-performing distributed team, and have real influence over the architecture and practices of a platform used by millions of people every day. The problems here are not manufactured. They are the kind that come from operating at genuine scale in a real-time, mission-critical environment. Key Responsibilities: Design, build, and operate scalable, high-performance Java services for sports data and betting products running 24/7Take independent ownership of complex technical initiatives from initial design through to production deliveryContribute to cloud-native architecture on AWS, bringing experience and judgment to decisions that affect the whole platformMentor engineers around you - through code review, pairing, and the kind of feedback that actually helps people growDrive improvements to code quality, test coverage, engineering practices, and team standardsCollaborate with product and engineering leadership on technical direction - and push back constructively when it mattersBuild expertise in one of the most technically demanding real-time data environments in the industryABOUT YOU: You are an experienced engineer who can independently design, build, and operate complex software systems. You enjoy solving challenging technical problems, mentoring teammates, and influencing engineering decisions beyond your immediate deliverables. Required: You have 5+ years of professional software development experience with strong Java expertiseYou can design and deliver distributed systems in production, and you understand what it takes to keep them runningYou take ownership of complex initiatives independently - from architecture decisions to post-incident reviewsYou mentor others naturally and perform technical reviews that are direct, constructive, and usefulYou have a deep understanding of testing strategy, CI/CD, and what engineering excellence looks like in practiceYou communicate clearly with technical and non-technical stakeholders and know how to land a difficult messageExperience with AWS, Kafka, Kubernetes, and microservices at scale is a strong advantageOUR OFFER: A collaborative environment with colleagues from all over the world (Engineering offices in Europe, Asia and US)Ability to shape your own workday and career via a clearly defined professional and personal development planOpportunity to work with senior leadership team and develop yourself within an inspiring and fast-growing companyVibrant and inclusive community, including Women in Tech and Pride groups which welcome all participantsFlexible working hours OUR RECRUITMENT PROCESS: Initial Screening - A brief conversation with our Talent Acquisition Partner to review your background, experience, and expectations. Technical Task - A take-home coding assignment designed to reflect our daily work, completed at your convenience. Technical Interview - An in-depth discussion on your submitted coding task, including a review of your thought process, live coding exercises, and a system design discussion tailored to the level of the role. Cultural Fit Interview - A conversation with Senior Management to assess your ability to work in a matrix organization and collaborate effectively with stakeholders across the business. Final Step - Receive feedback and, if successful, an offer!