Victor W.

Applied AI engineer and software engineer specializing in LLM systems, AI training, backend infrastructure, and production AI applications. I have built an AI-powered e-commerce search platform for my previous client used by major retail brands working across LLM query understanding, hybrid retrieval, embeddings, reranking, catalog enrichment, evaluation, and backend infrastructure. Previously, I was a Founding Engineer at a Y-Combinator backed AI startup, led AI infrastructure development at Spesland, and completed two SWE internships at Amazon Ads. Core expertise: Python, PyTorch, LLMs, RAG, model fine-tuning/LoRA, embeddings, vector search, reranking, FastAPI, PostgreSQL, Redis, AWS, and Docker. I build reliable, production-ready systems end-to-end and focus on shipping quickly