Pavel G.
Senior Software Engineer | Ruby on Rails | PostgreSQL | React
Software engineer with 10+ years building distributed systems in Ruby on Rails. Specialized in high-volume real-time platforms, PostgreSQL optimization, microservice architectures, and cloud infrastructure (AWS, Kubernetes). Also work across the stack with React and TypeScript. Working experience with Go. What I deliver: ā¢ End-to-end feature development: REST APIs, PostgreSQL schemas, WebSocket channels, Sidekiq pipelines ā¢ Payment integrations (Stripe, Square), third-party API integrations (Twilio, AWS services) ā¢ Performance optimization: query profiling, caching, targeted indexing ā¢ Video processing pipelines, real-time leaderboards, content moderation systems ā¢ Clean, well-tested code with RSpec and thorough code reviews I've owned backend systems handling 80K+ daily video calls, built marketplace payment flows, and shipped 3 greenfield startups from zero to production. Comfortable in both monolithic and microservice codebases, thriving in fully remote async teams. Open to Senior Software Engineer roles (worldwide remote).