Ruslan Kornev is a pragmatic Open Source developer with 16 years building Ruby on Rails systems, microservices, and developer-friendly tooling while avoiding vendor lock-in. He has led migrations from monoliths to protobuf/twirp-based microservices, instrumented services with Prometheus/Grafana and Jaeger, and written reusable gems and emulation tools that eased testing and service isolation. Comfortable across back-end, integrations (payments, tracking) and front-end proxies, he favors clear code, thorough tests, and helpful comments to prevent the “unused or unmaintainable” features he dislikes. Based in Belgrade, he stays on-call for critical upgrades and actively publishes projects (notably hub and a Chrome extension) that reflect his obsession with open source and long-term maintainability.
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