Sanielia contributed to the Hack4Krak/Hack4KrakSite repository by delivering user-facing frontend enhancements and backend deployment optimizations for the 2026 edition. They improved the Vue.js-based interface with smoother chart tooltip transitions and updated regulatory documentation, focusing on clarity and compliance. On the backend, Sanielia streamlined Docker packaging to include only the essential Rust binary, reducing artifact size and improving deployment speed. Their work on CI/CD pipelines, using YAML and Dockerfile, enhanced workflow reliability and release predictability. The changes addressed both user experience and operational efficiency, demonstrating a balanced approach to frontend usability and backend maintainability within a short project timeframe.