Exist Software Labs, Inc.
Data Engineer
AI Systems & Enablement
- Lead AI training and enablement initiatives across Exist, helping teams adopt generative AI tools and apply them to delivery workflows.
- I built a production RAG pipeline that handles 1,000+ queries each day with LangGraph, AWS Bedrock, and PostgreSQL pgvector.
- I implemented hybrid retrieval with BM25 keyword search and vector similarity.
- I designed AI search workflows for intent classification, query analysis, HyDE expansion, and semantic ranking.
- I reached 84% accuracy across 49 QA test cases through evaluation and prompt iteration.
Data Engineering & Analytics
- I automated regulatory and compliance reporting each day, reducing manual processing time from 4 hours to 15 minutes.
- I engineered multi-channel data consolidation across agency and bancassurance systems, processing 500K+ transactions each day.
- I optimized SQL models and Power BI datasets, cutting report load time by 94%, from 5 minutes to 19 seconds.
- I refactored performance-critical preprocessing pipelines with Dask, reducing runtime by 90%.