Strong commercial experience with TypeScript and Node.js development
Proven experience building and maintaining backend services using NestJS
Experience with WebRTC data channels and peer-to-peer architectures
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, and cloud authentication mechanisms such as OIDC role assumption
Production-focused mindset, including experience implementing observability and monitoring solutions, with a strong focus on scalability, security, and reliability.
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

Experience with Playwright or similar end-to-end testing frameworks
Knowledge of browser automation and CI stability improvements
Familiarity with OAuth2, JWT authentication, refresh token rotation, and reuse detection
C++ and Qt/QML familiarity, especially with Emscripten and CMake. Our viewer embeds a Qt engine compiled to WebAssembly, and an owner for that build pipeline is a big plus