Ravi Gupta — Backend & AI Engineer

WRITING

Thoughts on backend engineering, system design, and the AI transition. Published on Dev.to, Medium, and Substack.

I Started With a Blocklist. That Was the Wrong Instinct and VaultPay Taught Me Why.

What I learned building VaultPay's IP trust system and why the answer wasn't a blocklist VaultPay...

pythonbackendredis

May 18, 20267 min read

Dev.to Medium Substack

The Silent Failure I Never Saw Coming: What VaultPay Taught Me About Consistency Under Failure

VaultPay is a wallet microservice I built on top of AuthShield. This is the first technical post in...

pythonsoftwareengineeringbackend

May 13, 20268 min read

Dev.to Medium Substack

I Built AuthShield and Immediately Knew It Wasn't Enough

What happens when auth meets money - and what I learned building it Shipping AuthShield felt good...

pythonfastapibackend

May 6, 20265 min read

Dev.to Medium Substack

Everyone Talks About How to Build Secure Auth. Nobody Talks About What to Watch After You Ship It.

This is a bonus post in the AuthShield series - a production-ready standalone authentication...

pythonsecuritybackend

Apr 20, 202610 min read

Dev.to Medium Substack

I Thought the Hard Part Was the Code. Turns Out Production Is Where Security Assumptions Go to Die.

This is Part 4 of a 4-part series on building AuthShield - a production-ready standalone...

pythonsecuritydocker

Apr 13, 202610 min read

Dev.to Medium Substack

I Thought JWTs Were Stateless. Turns Out Logout Made Me Build a Stateful Layer Anyway.

This is Part 3 of a 4-part series on building AuthShield - a production-ready standalone...

pythonsecuritybackend

Apr 6, 20268 min read

Dev.to Medium Substack

I Thought OAuth Was Just Adding a Google Button. Turns Out It's a CSRF Problem Disguised as a Feature.

This is Part 2 of a 4-part series on building AuthShield - a production-ready standalone...

pythonoauthsecurity

Mar 30, 20268 min read

Dev.to Medium Substack

Why I Stopped Writing Auth Code for Every Project and Built AuthShield

This is Part 1 of a 4-part series on building AuthShield - a production-ready standalone...

pythonbackendsecurity

Mar 23, 20265 min read

Dev.to Medium Substack

The Faster We Build with AI, the More Dangerous Bad Auth Becomes - And the Rarer Good Auth Becomes

The Faster We Build with AI, the More Dangerous Bad Auth Becomes - And the Rarer Good Auth...

securityoauthbackend

Mar 16, 202610 min read

Dev.to Medium Substack

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