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vaishnavi.dev

VAISHNAVI

Builder · Founder · Engineer
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Origin
"I build things because half-built ideas keep me up at night."
Freelancer by freedom. Engineer by instinct.

Previously Lead SDE at SaaS Labs — running teams, shipping systems, and watching products scale. Now building independently, on my own terms, toward something larger.

Three products live. More in motion. The common thread: problems that bothered me enough to fix.
The Ventures

Three products. Three different problems. One direction.

01
DevTools
Moqyy
Mock HTTP responses without touching your backend. Built for frontend devs who can't wait on APIs.
moqyy.com ↗
MVP LIVE
02
Observability
Velyn
Turn production noise into reproducible bugs and Playwright tests. Automatically.
velyn.tech ↗
LIVE
03
Fintech
Billeaf
Invoicing that gets out of your way. Create, send, get paid.
billeaf.com ↗
LIVE
The Craft

There's more if you look.

✦
CSS Lab
I practice CSS the way some people practice guitar. Here's what that looks like.
◈
Arcade
I also build stupid fun things. Chidiya Ud — tap to fly, try not to die.
The Professional

I don't just build my own things.

Currently
Freelancer
Engineer & Founder / Independent
Shipping production software across three live products
Previously Lead SDE @ SaaS Labs — managed team, architected systems
Building in the open, toward something larger
Stack
NestJSNode.jsNext.jsReactVue.jsMySQLMongoDBPHPThree.jsChrome ExtSDK DesignREST APIs
Under The Hood

Pretty interfaces are easy. What's underneath is where it gets interesting.

01
Architecture
Event-driven pipelines for real-time observability
Multi-tenant SaaS patterns across products
Public SDK design — APIs other devs ship with
Service layer separation, domain modeling
02
Backend
NestJS + Node.js for production-grade APIs
Auth, RBAC, multi-tenancy from scratch
MySQL schema design, MongoDB document modeling
Webhooks, background jobs, queues
03
Engineering
Led and mentored engineering teams
Full-stack shipping — solo, across 3 live products
Balancing product velocity vs. tech debt
All products maintained and iterated in parallel
The Agent

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Vaishnavi's AI Agent
Ask me anything
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Hey. I'm Vaishnavi's AI agent. Ask me anything — her work, products, what she's building, or what drives her.
"Building toward something bigger. Follow along or build with her."
Find her at
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© 2026 Vaishnavi Narang — All rights reserved
V
Vaishnavi's Agent
V
Hey. I'm Vaishnavi's AI agent. Ask me anything — her work, products, what she's building, or what drives her.