https://arjunthakur.dev/blog.html Technical articles on agentic AI, LangGraph, RAG, voice agents, FastAPI, and production AI engineering by Arjun Thakur, Principal AI Engineer. en arjun@arjunthakur.dev (Arjun Thakur) arjun@arjunthakur.dev (Arjun Thakur) Fri, 10 Jul 2026 00:00:00 +0000 https://arjunthakur.dev/images/og-cover.jpg https://arjunthakur.dev/blog.html https://arjunthakur.dev/blog/how-i-optimized-my-site-for-llms.html https://arjunthakur.dev/blog/how-i-optimized-my-site-for-llms.html Fri, 10 Jul 2026 00:00:00 +0000 A condensed, practical guide to Generative Engine Optimization (GEO) — how I made my portfolio findable and citable by ChatGPT, Claude, and Perplexity, with real code. The site is open source. arjun@arjunthakur.dev (Arjun Thakur) GEO AI Search https://arjunthakur.dev/blog/two-agent-stacks-bedrock-vs-langgraph.html https://arjunthakur.dev/blog/two-agent-stacks-bedrock-vs-langgraph.html Thu, 02 Jul 2026 00:00:00 +0000 Shipping two agentic systems on deliberately different foundations — native AWS Bedrock with A2A/MCP vs. LangGraph + LangChain. What actually differed under the hood: orchestration, evals, and grounding. arjun@arjunthakur.dev (Arjun Thakur) Agentic AI LangGraph AWS Bedrock MCP https://arjunthakur.dev/blog/jwt-spring-boot-react-guide.html https://arjunthakur.dev/blog/jwt-spring-boot-react-guide.html Fri, 15 Nov 2024 00:00:00 +0000 Step-by-step guide to implementing secure JWT authentication in Spring Boot with a React frontend. Covers token generation, validation, refresh tokens, and production security best practices. arjun@arjunthakur.dev (Arjun Thakur) Spring Boot JWT React Security