Over a three-month period, contributed to BLSQ/openhexa-app and openhexa-frontend by building scalable pipeline notification systems and enhancing dataset exploration features. Developed customizable notification levels and recipient management using Django, GraphQL, and React, aligning backend and frontend to improve alert relevance and user configurability. Introduced a Dataset Explorer with robust UI logic for rendering versioned column metadata, implemented analytics instrumentation for dataset interactions, and addressed UI consistency through cookie-based preference handling. Fixed bugs related to dataset pinning and sidebar visibility, demonstrating attention to error handling and user experience. Work emphasized maintainability, cross-functional traceability, and data-driven decision support.