Senior Backend Engineer (Platform Tribe) About the RolePlayson is a globally recognised iGaming supplier delivering a high-performance, microservices-based platform designed to process billions of financial transactions every day. Built across multiple regions, our infrastructure is focused on one clear ambition - driving latency as close to zero as possible.We’re looking for a Senior Backend Developer who thrives in a deeply hands-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical.You’ll be working on complex, real-time challenges at the core of our platform - improving latency, ensuring high availability, and making systems more efficient at scale. This is not a coordination-heavy role; it’s for someone who enjoys writing production code, solving tough engineering problems, and seeing the direct impact of their work.If you’re product-driven, take ownership, and prefer a “build first, improve fast” approach while working on systems where every millisecond matters - this role will feel like home.Key ResponsibilitiesWork as part of a cross-functional team owning a core product within the platformDesign, build, and deliver new backend features end-to-end in a distributed environmentWrite high-quality, production-level code daily, contributing directly to a high-load, scalable systemTake ownership of services handling financial transactions at scale, with a strong focus on reliability and accuracyProactively suggest and implement improvements in architecture, processes, and development practicesParticipate in code and architectural reviews to maintain high engineering standardsSolve complex business and technical challenges with pragmatic, efficient solutionsParticipating in on-call rotations within the squad to ensure the reliability and availability of our systemsPlay an active role in ongoing tech transformation initiatives across the platformCollaborate closely with engineers, product, and other stakeholders to deliver impactful solutions used by millions globallyRequirementsSolid experience with Node.js/TypeScript is ideal, but we also welcome experts in other OOP languages such as Java, Python, C++, C#, or Go.Strong understanding of asynchronous programming techniquesExperience with distributed systems and messaging systems (Apache Kafka, gRPC)Knowledge of relational databases (MySQL, PostgreSQL), columnar databases (ClickHouse), and NoSQL technologies (DynamoDB, MongoDB)Skilled in developing and maintaining end-to-end and unit testsProven track record of developing production-ready solutionsDegree in Computer Science or related fieldNice to HaveExperience with large-scale microservices architecture.Good ground knowledge of KubernetesFamiliarity with cloud providers (especially AWS)Understanding of application security and industry best practicesUnderstanding of enterprise development patternsActive performance observationGambling domain experienceWhat We OfferCompetitive Salary: We offer a competitive salary, subject to annual performance reviewsQuarterly Bonuses: Benefit from a transparent and systematic quarterly bonus systemUnlimited Paid Vacation: Enjoy unlimited paid vacation leave, including Ukrainian bank holidaysUnlimited Paid Sick Leave: Take unlimited paid sick leave whenever necessaryFlexible Schedule: We offer a flexible work schedule to accommodate your needsRemote Work: Choose to work remotely, providing greater flexibility and comfortMedical Insurance: Receive comprehensive medical insurance for both you and a significant otherFinancial Support for Life Events: We provide financial support during special life eventsProfessional Development: Get reimbursement for professional development courses and trainingInternational exposure: Attend industry expos, team gatherings & global meet-upsB2B contractsRecruitment process1. HR interview (30-45mins)2. Interview with a Product Owner (60mins)3. Technical interview with live coding (90mins)4. Final Interview with C-level (60 mins)