Gergely Purczeld
Full Stack Dev | Python · React · Data Pipelines
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Web-based database explorer with SQL editor, multi-database support (PostgreSQL, DuckDB, Oracle), and AG Grid-powered data browsing. Built with FastAPI + React 18, featuring LDAP/OIDC auth, Monaco Editor, and real-time query execution. Interactive visualization of a 3-stage data pipeline (STAGE → PRE → MNB) mapping 1,191 fields across 257 SQL transformations. Built with Python + HTML/JS, auto-generated from DOCX/Excel source documentation
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