Built and maintained C#/.NET APIs for third-party integrations, a Python/PySpark machine learning event recommendation engine, a Next.js college recommendation tool, and a RAG-powered internal chatbot using LangChain, FAISS, and OpenAI. Also built semantic search infrastructure using HuggingFace sentence-transformer embeddings across a mixed codebase of C# controllers, ASPX views, stored procedures, and wiki docs.

Led a legacy-to-cloud migration of a Probation Application from Oracle to MS SQL Server on Azure, rebuilding the platform in C#/.NET Core with RESTful APIs. Also developed check-in and specialty court modules using PowerBuilder and Google Maps JavaScript API.