Filip contributed to TryGhost/Ghost and TryGhost/gscan by delivering targeted improvements in admin UX and infrastructure reliability. In Ghost, he enhanced the admin search functionality to include the 'webhooks' keyword, streamlining discoverability and configuration for users managing integrations. For gscan, Filip updated the Sentry middleware for compatibility with SDK v9, refactoring error handling in Express.js to maintain robust error reporting. He also upgraded the Docker-based runtime environment, updating Node.js and Alpine versions to ensure secure, maintainable deployments. Working primarily with JavaScript, TypeScript, and Docker, Filip demonstrated depth in both front-end UI/UX development and backend DevOps process modernization.