Strong commercial experience with TypeScript and Node.js development
Proven experience building and maintaining backend services using NestJS
Hands-on expertise with PostgreSQL, Redis, and modern API architectures
Solid AWS experience, including ECS Fargate, RDS, ElastiCache, S3, and load balancers
Experience with Infrastructure as Code, preferably AWS CDK in TypeScript
Strong CI/CD knowledge, including GitHub Actions and multi-environment deployment pipelines
Experience with cloud authentication mechanisms such as OIDC role assumption
Production-focused mindset with attention to scalability, monitoring, security, and reliability
Experience implementing observability solutions and monitoring tools
Strong understanding of distributed systems and real-time communication technologies
Experience writing automated tests and maintaining high-quality CI pipelines
Good communication skills and ability to work across backend, infrastructure, and frontend domains
Fluent English - C1 level

Experienced in using AI tools in day-to-day workflow
Experience with Playwright or similar end-to-end testing frameworks
Knowledge of browser automation and CI stability improvements
Experience with WebRTC data channels and peer-to-peer architectures
Familiarity with OAuth2, JWT authentication, refresh token rotation, and reuse detection
Experience with C++ and Qt/QML
Knowledge of WebAssembly and Emscripten build environments
Experience maintaining complex build and deployment pipelines