Jaspreet Singh Nahal · AI/ML Engineer and author of an arXiv preprint (under review at SN Computer Science) on a 205M-parameter GPT Transformer pretrained from scratch in PyTorch. Delivered production RAG and data-visualization systems serving 10,000+ documents, and currently building Aria, a local-first autonomous agent architecture with a React-based visualization frontend using LangGraph and FastAPI. · JobPilot