Hi, I'm Yash 👋

Backend & AI Engineer building production systems at scale.

YA

About

Backend engineer with 2+ years of experience building AI-powered systems, scalable APIs, and production infrastructure. I've built an AI gateway processing 730M+ AI tokens and 17K+ API requests monthly.

My core strengths are backend architecture, LLM integration, multi-cloud infrastructure, and building systems that are efficient, scalable, and production-ready.

Work Experience

DMI Finance

April 2024 - Present
Backend & AI Developer
Built an AI-powered chatbot using RAG architecture (OpenAI API + PostgreSQL), processing 500+ government documents with sub-2s query responses. Engineered a high-performance web crawler with Playwright achieving 150% faster data collection and 70% less resource usage. Designed automated ETL pipelines via Zapier, eliminating 80% of manual data entry. Deployed production APIs on AWS EC2 with auto-scaling and health monitoring.

Brihat Infotech

Feb 2024 - March 2024
Backend Developer Intern
Architected a RESTful backend from scratch using Express.js and Node.js with middleware, error handling, and validation layers. Integrated MongoDB with optimized schemas and indexing for efficient data retrieval. Built responsive frontend interfaces from Figma designs using Next.js and Tailwind CSS.

Skills

TypeScript
JavaScript
Java
Python
C++
SQL
Node.js
Fastify
Hono.js
Express.js
Next.js
REST APIs
OpenAI API
Gemini AI
LLM Gateway Routing
RAG
Prompt Engineering
PostgreSQL
MongoDB
Redis
MySQL
Prisma
AWS (EC2, SES)
Azure VM
DigitalOcean
Docker
Cloudflare (WAF, R2, DNS)
Vercel
Caddy
PM2
JWT
Razorpay
Sentry
Git
GitHub
Zapier
esbuild

Coding Profiles

Products

Products with real users

Products I've built and shipped to real users.

Airouter

Airouter

A production AI gateway processing 730M+ AI tokens and 17K+ API requests monthly with 9K+ unique visitors. Routes across multiple LLM providers with automatic failover and load balancing. Features HMAC-SHA256 API key auth with Redis-backed rate limiting, usage-based billing with Razorpay, multi-cloud infrastructure (Azure VM, DigitalOcean Postgres, Vercel, Cloudflare WAF), automated R2 backups, and full observability via Sentry.

Fastify
TypeScript
PostgreSQL
Redis
Prisma
Razorpay
Clerk
LLM Routing
AWS SES
Cloudflare
Save Link Extension

Save Link Extension

A Chrome extension with 100+ active users for one-click link saving and management. Built with React and TypeScript using Context API for lightweight state management. Published on the Chrome Web Store.

javascript
chrome extension
react
tailwindcss
context api
Projects

Things I've built

Side projects, open source packages, and experiments.

Express TS package

Express TS package

Express TS is a zero‑config Express.js + TypeScript boilerplate featuring a clean src/dist structure, CORS and dotenv preconfigured, hot reloading, and automatic Git initialization. The interactive CLI scaffolds projects with beautiful prompts and smart package selection, with first‑class support for npm, Yarn, pnpm, and Bun.

javascript
Code Compiler

Code Compiler

Online code compiler with AI-powered code explanation. Users can compile and run code in multiple languages, get AI-generated explanations, and save code to their account. Built with Next.js, Prisma, and Judge0 for sandboxed code execution.

Next.js
Typescript
PostgreSQL
Prisma
TailwindCSS
judge0
AI
Recoil
Resend
Blog App

Blog App

A serverless content management system deployed on Cloudflare Workers with Hono.js for edge-level latency. Features JWT-based auth, rich text editor, draft/publish workflow, and full CRUD operations with Redis caching and PostgreSQL via Prisma.

React
Typescript
PostgreSQL
Prisma
TailwindCSS
Shadcn UI
Honojs
Cloudflare Workers
MCQ Builder

MCQ Builder

An AI-powered MCQ generator that creates multiple choice questions from any topic or prompt. Built with Next.js and the AI SDK for intelligent question generation.

Next.js
Typescript
TailwindCSS
AI SDK

Education

GLA University

2020 - 2024
Bachelor's in Technology CSE

Rajiv Internationl school

2018 - 2020
High School