Walter Andrzejewski
B.Sc. Computer Science | Secret Clearance | Veteran
- Role
- Outamation Advanced Ai-powered Document Insights and Data Extraction Externship at Extern
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Walter Andrzejewski
If you are reading this, send me a connection request! I’m a full-stack developer…
Experience
Outamation Advanced Ai-powered Document Insights and Data Extraction Externship
Oct 2025 — Present · Houston, TX, US
Built modular, Al-powered pipelines to process 200+ page mortgage blob files-combining OCR (Tesseract, PaddleOCR), PDF parsing (PyMuPDF), and RAG techniques for intelligent data extraction, classification,and search.Developed a document retrieval system using Llamalndex and Retrieval-Augmented Generation (RAG), optimized for multi-document mortgage blobs. Enhanced precision through chunk tuning, metadata filtering, and evaluationof open-source LLMs like Mistral and Phi-2. Conducted end-to-end evaluation of the document intelligence system on 200+ page mortgage blobs-benchmarking OCR accuracy, RAG retrieval quality, and routing performance. Delivered a technical report outlining model trade-offs, optimization strategies, final deployment recommendations, and built a Ul fordemo purposes.
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