Gaurav Kumar

@gauravbytes

Software Engineer @ Twimbit

New DelhiJoined October 2021

About

Backend engineer building ShiftMailer, an AI-powered email tool. Sharing lessons from shipping AI agents and scalable systems. Follow for real-world AI, product, and engineering insights—no fluff.

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I am available to share my experience.

Gaurav Kumar's blogs

Gaurav Bytesgauravbytes.hashnode.dev23 posts

Shiftmailerblogs.shiftmailer.com1 post

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Recently published

gauravbytes.hashnode.dev

Building Sequential AI Agents with Vercel AI SDK (Multi-Step LLM Workflows)

Most AI agents today are just a single prompt and a single response. That approach works—until you need structure, reliability, or production-grade workflows. In this post, we’ll explore sequential AI agents, how they differ from normal AI agents, an...

Jan 194 min read

blogs.shiftmailer.com

Why ShiftMailer Is Revolutionizing Email Design for Modern Marketers

If you've ever spent hours wrestling with HTML code just to get your email newsletter to look decent across different devices, you're not alone. Email marketing remains one of the most powerful tools in a marketer's arsenal, but the technical challen...

Nov 30, 20254 min read

gauravbytes.hashnode.dev

🛍️ Building an AI-Powered E-commerce Chatbot Using Vercel AI SDK and Gemini

E-commerce is rapidly transforming — and AI-powered shopping assistants are becoming the new default buying experience.Think about it: Instead of browsing 20 product pages, users simply ask: “Show me red shoes under ₹1500.” Instead of navigating a...

Nov 28, 20259 min read

gauravbytes.hashnode.dev

Building an Ethereum dApp with Next.js, Wagmi, and MetaMask

Over the last few years, decentralized applications (dApps) have become one of the most exciting areas in Web3. Instead of relying on centralized servers, dApps interact directly with blockchains—allowing users to own their assets, sign transactions,...

Aug 25, 202513 min read

gauravbytes.hashnode.dev

How I Created an MCP Server for PostgreSQL to Power AI Agents — Components, Architecture & Real Testing

Recently, I built a fully functional MCP (Model Control Plane) server powered by PostgreSQL—something I found incredibly useful when trying to make LLMs interact intelligently with structured data. If you've ever struggled to bolt on a REST API for e...

May 13, 20257 min read

Gaurav Kumar

About

Available for

Gaurav Kumar's blogs

Recently published

Building Sequential AI Agents with Vercel AI SDK (Multi-Step LLM Workflows)

Why ShiftMailer Is Revolutionizing Email Design for Modern Marketers

🛍️ Building an AI-Powered E-commerce Chatbot Using Vercel AI SDK and Gemini

Building an Ethereum dApp with Next.js, Wagmi, and MetaMask

How I Created an MCP Server for PostgreSQL to Power AI Agents — Components, Architecture & Real Testing

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Gaurav Kumar

About

Available for

Gaurav Kumar's blogs

Recently published

Building Sequential AI Agents with Vercel AI SDK (Multi-Step LLM Workflows)

Why ShiftMailer Is Revolutionizing Email Design for Modern Marketers

🛍️ Building an AI-Powered E-commerce Chatbot Using Vercel AI SDK and Gemini

Building an Ethereum dApp with Next.js, Wagmi, and MetaMask

How I Created an MCP Server for PostgreSQL to Power AI Agents — Components, Architecture & Real Testing