Playson - Senior Backend Engineer (Platform Tribe)
Requirements
• Solid 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 techniques • Deep production experience with Kafka: confident reasoning about consumer-group rebalances and their impact on in-flight processing, offset-commit strategies under retries and duplicate delivery, and the limits of "exactly-once" semantics • Experience designing idempotent, retry-safe handlers for at-least-once pipelines: transactional outbox, idempotency keys, and deduplication • Experience building services with gRPC or similar RPC frameworks • Strong knowledge of relational databases such as MySQL or PostgreSQL, plus production experience with at least one NoSQL technology at scale, such as DynamoDB, MongoDB, or Redis • Hands-on experience running services on Kubernetes and AWS/GCP: deployment, autoscaling, resource limits, and production debugging • Production operations experience: on-call ownership of a high-load system, including incident response, impact assessment, root-cause analysis, and post-incident improvements • Experience with ClickHouse or other columnar/analytical databases • Experience with multi-region / failover architectures: data replication, regional isolation, and graceful degradation • Practical use of AI coding agents such as Cursor or Claude Code as part of daily development: effective prompting, reviewing, and validating AI-generated code • Understanding of application security and industry best practices
Responsibilities
• Work as part of a cross-functional team owning a core product within the platform • Design, build, and deliver new backend features end-to-end in a distributed environment • Write high-quality, production-level code daily, contributing directly to a high-load, scalable system • Take ownership of services handling financial transactions at scale, with a strong focus on reliability and accuracy • Proactively suggest and implement improvements in architecture, processes, and development practices • Participate in code and architectural reviews to maintain high engineering standards • Solve complex business and technical challenges with pragmatic, efficient solutions • Participating in on-call rotations within the squad to ensure the reliability and availability of our systems • on-call rotations • Play an active role in ongoing tech transformation initiatives across the platform • Collaborate closely with engineers, product, and other stakeholders to deliver impactful solutions used by millions globally
Benefits
• Competitive Salary: We offer a competitive salary, subject to annual performance reviews • Quarterly Bonuses: Benefit from a transparent and systematic quarterly bonus system • Quarterly Bonuses: • Unlimited Paid Vacation: Enjoy unlimited paid vacation leave, including Ukrainian bank holidays • Unlimited Paid Vacation: • Unlimited Paid Sick Leave: Take unlimited paid sick leave whenever necessary • Unlimited Paid Sick Leave: • Flexible Schedule: We offer a flexible work schedule to accommodate your needs • Flexible Schedule: • Remote Work: Choose to work remotely, providing greater flexibility and comfort • Remote Work: • Medical Insurance: Receive comprehensive medical insurance for both you and a significant other • Medical Insurance: • Financial Support for Life Events: We provide financial support during special life events • Financial Support for Life Events: • Professional Development: Get reimbursement for professional development courses and training • Professional Development: • International exposure: Attend industry expos, team gatherings & global meet-ups • International exposure • B2B contracts • Recruitment process • Recruitment process • 1. 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)
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