Technical deep-dives on AI/ML, distributed systems, and software engineering.https://piyushchoudhari.me/https://piyushchoudhari.me/blog/Making-Agents-Play-Pictionary/https://piyushchoudhari.me/blog/Making-Agents-Play-Pictionary/a turn-based drawing-and-guessing game where AI agents competeSun, 17 May 2026 00:00:00 GMThttps://piyushchoudhari.me/blog/My-Codebases-Have-an-AI-Receptionist-Now/https://piyushchoudhari.me/blog/My-Codebases-Have-an-AI-Receptionist-Now/I built an agentic codebase navigator that lets engineers and recruiters ask anything about my projects , no RAG, no embeddings, just pure read-and-reason.Wed, 08 Apr 2026 00:00:00 GMThttps://piyushchoudhari.me/blog/Implementing-An-SQS-Like-Message-Queue-System/https://piyushchoudhari.me/blog/Implementing-An-SQS-Like-Message-Queue-System/I built a rudimentary AWS SQS clone with managed queues, visibilitytimeouts, DLQs.Thu, 08 Jan 2026 00:00:00 GMThttps://piyushchoudhari.me/blog/How-I-Used-Postgres-Groq-And-AI-SDK-To-Create-My-Portfolio-Website-Chatbot/https://piyushchoudhari.me/blog/How-I-Used-Postgres-Groq-And-AI-SDK-To-Create-My-Portfolio-Website-Chatbot/My portfolio website contains a decent amount of text data, so I implemented a chatbot to interface with it.Thu, 25 Dec 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Designing-a-Deterministic-Low-Latency-Decision-Engine-with-CPP/https://piyushchoudhari.me/blog/Designing-a-Deterministic-Low-Latency-Decision-Engine-with-CPP/A high performance, deterministic decision tree engine built in C++ that evaluates rules via gRPC with low latency, hot reloadable trees, and production ready observability.Fri, 19 Dec 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Simulating-vLLMs-PagedAttention/https://piyushchoudhari.me/blog/Simulating-vLLMs-PagedAttention/An implementation of a simulation of PagedAttention in PythonMon, 08 Dec 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Making-A-Peer-Review-System-for-My-Blogs-Using-Google-ADK-And-Mem0/https://piyushchoudhari.me/blog/Making-A-Peer-Review-System-for-My-Blogs-Using-Google-ADK-And-Mem0/I needed an automation peer review my blogs, so I used Google-ADK and Mem0 to create an end to end system.Wed, 26 Nov 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Training-a-Mixture-of-Experts-Router/https://piyushchoudhari.me/blog/Training-a-Mixture-of-Experts-Router/I was curious about MoEs, so I implemented and tested one.Mon, 17 Nov 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Building-A-Vector-Database-from-Scratch-CapybaraDB/https://piyushchoudhari.me/blog/Building-A-Vector-Database-from-Scratch-CapybaraDB/A custom implementation of a toy vector databaseTue, 04 Nov 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/Be-Curious-About-Your-Compute/https://piyushchoudhari.me/blog/Be-Curious-About-Your-Compute/After facing a blocker related to hardware, I decided to deep dive into it: An ExplainerWed, 24 Sep 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/How-I-Automated-My-Social-Media-Workflow-with-LangGraph/https://piyushchoudhari.me/blog/How-I-Automated-My-Social-Media-Workflow-with-LangGraph/For me, posting on social media is a tedious task and repetitive task: draft → edit → get feedback → post. So I used Langgraph and some AI magic sauce to automate away these tedious jobs.Sun, 14 Sep 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/SHAP-values-for-GBTs/https://piyushchoudhari.me/blog/SHAP-values-for-GBTs/This blog explores how Gradient Boosted Trees can be explained using PDP, ICE, and SHAP — with TreeSHAP making black-box models transparent and highly interpretable.Mon, 01 Sep 2025 00:00:00 GMThttps://piyushchoudhari.me/blog/welcome-to-my-blog/https://piyushchoudhari.me/blog/welcome-to-my-blog/Introducing my new blog where I'll share insights about software engineering, AI, and technology.Fri, 29 Aug 2025 00:00:00 GMT