Gaurav Kumar

@gauravbytes

Backend Engineer & AI Builder

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

Gauravbytes | Backend Engineer & AI Agent Buildergauravbytes.dev28 posts

Shiftmailerblogs.shiftmailer.com7 posts

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Recently published

GKGaurav Kumarblogs.shiftmailer.com5d ago · 10 min read

How to Write a Product Update Email (With Examples and a Free Template)

Your team shipped something meaningful. A new feature, a performance improvement, a workflow people have been asking about for months. Then someone says "we should send an email about this" — and it s

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GKGaurav Kumargauravbytes.devJun 8 · 13 min read

How to Pick the Perfect Database Without Losing Your Mind

Hey fellow dev — let’s tackle the choice that keeps us up at night: which database should you use? I’ve boiled down the major database archetypes into a practical field guide so you can make the right

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GKGaurav Kumargauravbytes.devMay 25 · 5 min read

These AI Memory Types Decide Whether Your Agent Is Smart or Useless

Everyone is building AI agents right now. But most of them have one major problem: They forget everything. You ask the agent something… then ask a follow-up question… and suddenly it behaves like it h

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GKGaurav Kumargauravbytes.devMay 20 · 3 min read

The 5 Cron Jobs That Save Backend Servers From Disaster

Most backend systems don’t fail in dramatic ways. They fail quietly—when no one is watching. A missed backup, a full disk, or a stuck background job is often all it takes to turn a stable system into

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GKGaurav Kumarblogs.shiftmailer.comMay 13 · 4 min read

Why Email Subject Lines Decide Your Campaign Success

Email marketing still remains one of the highest ROI channels in digital marketing—but here’s the uncomfortable truth: Even the best email content fails if your subject line doesn’t get opened. In t

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Gaurav Kumar

About

Available for

Gaurav Kumar's blogs

Recently published

How to Write a Product Update Email (With Examples and a Free Template)

How to Pick the Perfect Database Without Losing Your Mind

These AI Memory Types Decide Whether Your Agent Is Smart or Useless

The 5 Cron Jobs That Save Backend Servers From Disaster

Why Email Subject Lines Decide Your Campaign Success

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Gaurav Kumar

About

Available for

Gaurav Kumar's blogs

Recently published

How to Write a Product Update Email (With Examples and a Free Template)

How to Pick the Perfect Database Without Losing Your Mind

These AI Memory Types Decide Whether Your Agent Is Smart or Useless

The 5 Cron Jobs That Save Backend Servers From Disaster

Why Email Subject Lines Decide Your Campaign Success