Gulshan Kumar - AI Engineer Blog https://www.gulshankumar.site/blog AI, Machine Learning, and Computer Vision insights from Gulshan Kumar en-us Thu, 20 Aug 2026 13:40:35 GMT Life Moments: MS Artificial Intelligence Graduation 2026 — University of Verona, Italy https://www.gulshankumar.site/blog/ms-ai-graduation-2026-university-of-verona-life-moments Cherished life moments, graduation reflections, thesis milestone, and official video highlight celebrating the MS in Artificial Intelligence graduation at the University of Verona, Italy. Tue, 28 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/ms-ai-graduation-2026-university-of-verona-life-moments Gulshan Kumar "Life Moments" "Graduation 2026" "University of Verona" "M.Sc. AI" "Italy" "AI Engineer" What is Retrieval-Augmented Generation (RAG)? Enterprise Architecture Guide https://www.gulshankumar.site/blog/what-is-retrieval-augmented-generation-rag A comprehensive guide to Retrieval-Augmented Generation (RAG), dense vector retrieval, semantic chunking, and FastAPI orchestration for production LLM systems. Mon, 20 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/what-is-retrieval-augmented-generation-rag Gulshan Kumar "RAG" "LLMs" "Python" "FastAPI" "Vector Search" "LangChain" How FAISS Works: High-Dimensional Vector Similarity Search in C++ and Python https://www.gulshankumar.site/blog/how-faiss-works-vector-similarity-search An in-depth technical analysis of FAISS (Facebook AI Similarity Search), L2 distance calculation, Inner Product, HNSW indexing, and quantization strategies. Sat, 18 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/how-faiss-works-vector-similarity-search Gulshan Kumar "FAISS" "Vector DB" "Python" "C++" "Machine Learning" "Algorithms" FastAPI for AI Applications: Building High-Performance Python Web Microservices https://www.gulshankumar.site/blog/fastapi-for-ai-applications Learn how to build asynchronous REST APIs, Pydantic validation schemas, dependency injection, and sub-100ms LLM serving layers using Python FastAPI. Wed, 15 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/fastapi-for-ai-applications Gulshan Kumar "FastAPI" "Python" "Microservices" "REST API" "Backend" "AI Systems" Deploying LLMs Locally with Ollama, Phi-3 & LLaMA-3: Privacy & Zero API Cost https://www.gulshankumar.site/blog/deploying-llms-locally-with-ollama A practical guide to hosting offline large language models locally using Ollama, 4-bit quantization, Hugging Face embeddings, and Python LangChain. Sun, 12 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/deploying-llms-locally-with-ollama Gulshan Kumar "Ollama" "LLMs" "Phi-3" "LLaMA-3" "Python" "Local AI" Studying M.Sc. Artificial Intelligence in Italy: University of Verona Experience & Guide https://www.gulshankumar.site/blog/study-artificial-intelligence-in-italy-university-of-verona My personal journey studying Master of Science in Artificial Intelligence at the University of Verona, graduating with 101/110, coursework, and AI career opportunities in Europe. Wed, 08 Jul 2026 00:00:00 GMT https://www.gulshankumar.site/blog/study-artificial-intelligence-in-italy-university-of-verona Gulshan Kumar "University of Verona" "M.Sc. AI" "Italy" "Europe" "Education" "AI Career" Building Production-Ready RAG Systems https://www.gulshankumar.site/blog/building-production-rag-systems A comprehensive guide to building Retrieval-Augmented Generation systems that work in production environments Wed, 15 Jan 2025 00:00:00 GMT https://www.gulshankumar.site/blog/building-production-rag-systems Gulshan Kumar AI RAG LLM Machine Learning Production ML