Guy Ronen
Software Engineer @Codility
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WORK HISTORY
Software Engineer @Codility
Promoted to Mid-Senior Software Engineer on the Content & Services team, where I drive the next generation of Codility\'s coding assessment platform — a cloud-based IDE (SSC) and task authoring system used by clients globally.Key contributions:Architected the \"next-gen\" freeform task platform — designed and implemented the end-to-end flow across the Django monolith, the Task Service (Django microservice), and the React Task Library, including new Django models, REST endpoints (PATCH support), admin forms (CRUD), feature flags, and frontend integration for VSCode-based assessments.Expanded language ecosystem — added first-class support for new frameworks and languages including Next.js (Server Actions), Laravel, Symfony, Django (ecommerce, feature flags), Active Record, Vue 3 TypeScript, and React Native, bringing the total SSC language count to 20+.Built proctoring & trust features cross-team — implemented presigned URL generation, proctoring timeout handling, manual verification models, and similarity report enhancements in the monolith on behalf of the Trust & Integrity team (8 cross-team contributions).Led infrastructure modernization - upgraded SSC base images from Node 18 to 22.NET 6 → 9, added MUI/CSS support to React TSX templates, and migrated Docker images across the platform.Championed code quality - implemented contract testing (Pact) across services, enforced file-size validation on task publishing, and introduced detailed error messaging for the publishing pipeline.
EDUCATION
CODE University of Applied Sciences
Bachelor of Science - BSc, Software Engineering
ABOUT GUY RONEN
Unlocking the world’s engineering potential @ Codility!Working on #TechnicalContent #CodingChallenges #RealLifeTasks
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