Hi, I'm Rajendrasinh!

Welcome to my tech universe 🌌

I'm a tech lead and an AI enthusiast from 🇮🇳India. I love architecting solutions focused on performance, accessibility, security, and privacy. I am currently treading AI&ML space for generative AI solution development.

Recent Posts

• Moving Beyond Vibe Coding - The Era of AI Harness Engineering

  Posted on:July 17, 2026 | at 02:27 AM

  Reading time:6 min read

  The model is smart; it's the environment around it that makes it reliable. Understand the shift from vibe coding to Harness Engineering, the anatomy of an agent harness, and best practices to build reliable autonomous AI systems. First article in the Harness Engineering series.

• Build Super Fast Sudoku with WebAssembly

  Posted on:February 13, 2026 | at 05:57 AM

  Reading time:4 min read

  A frontend-only Sudoku game with React and Rust/WASM—why I built it, how I chose the stack, and what I learned along the way.

• Warm Call Transfer in AI Voice Agents

  Posted on:January 1, 2026 | at 09:30 AM

  Reading time:5 min read

  Learn how warm call transfer works in AI Voice Agents, enabling seamless handoffs from AI to human agents with full conversation context. Includes architecture, implementation details, and best practices.

• Serverless Express API Part 5: Performance & Cost Optimisation

  Posted on:November 22, 2025 | at 08:30 AM

  Reading time:5 min read

  Master performance tuning and cost optimisation for serverless Express APIs. Learn cold start mitigation, memory optimisation, and cost management strategies.

Recent Books

• Deep Work

  Posted on:January 11, 2026 | at 07:04 PM

  Reading time:8 min read

  A Book Review of 'Deep Work'

• Black Holes The Reith Lectures

  Posted on:August 21, 2025 | at 05:56 AM

  Reading time:4 min read

  A Book Review of "Black Holes The Reith Lectures"

• The India Way: Strategies for an Uncertain World

  Posted on:May 17, 2025 | at 07:45 PM

  Reading time:4 min read

  A Book Review of "The India Way: Strategies for an Uncertain World"

• Murder on the Orient Express

  Posted on:March 18, 2025 | at 03:47 AM

  Reading time:2 min read

  A Book Review of "Murder on the Orient Express"