Senior Backend Engineer (Core Squad)

Playson is a leading gaming technology company creating engaging entertainment experiences for players around the world. Operating in the fast-paced iGaming industry, it combines technology, creativity, commercial expertise, and strong industry knowledge to build products used across multiple regulated markets.

• Solid experience with Node.js/TypeScript preferred or expertise in other OOP languages like Java, Python, C++, C#, or Go
• Strong understanding of asynchronous programming techniques
• Deep production experience with Kafka, including consumer-group rebalances, offset-commit strategies, and exactly-once semantics
• Experience designing idempotent, retry-safe handlers for at-least-once pipelines using 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 like DynamoDB, MongoDB, or Redis
• Hands-on experience running services on Kubernetes and AWS/GCP including deployment, autoscaling, resource limits, and production debugging
• Production operations experience including on-call ownership of a high-load system with incident response and root-cause analysis

Nice to have:

• Experience with ClickHouse or other columnar/analytical databases
• Experience with multi-region/failover architectures including data replication and regional isolation
• Practical use of AI coding agents such as Cursor or Claude Code in daily development
• Understanding of application security and industry best practices
• Experience in the gambling domain

• 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 for a high-load, scalable system
• Take ownership of services handling financial transactions with focus on reliability and accuracy
• 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
• Participate in on-call rotations within the squad to ensure system reliability and availability
• Play an active role in ongoing tech transformation initiatives across the platform
• Collaborate closely with engineers, product, and other stakeholders to deliver impactful solutions