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arnab031/README.md
Arnab Bhakta Β· Founding Engineer @ Utsav

πŸ‘‹ Hey, I'm Arnab

Founding Engineer at Utsav β€” India's first subscription-led digital puja platform (10L+ devotees Β· 4.6 β˜…). I build the systems that move the numbers: the Autopay engine driving the majority of platform GMV, a production multi-agent AI platform running on Claude, Gemini, and GPT-4o, and the Next.js 16 rebuild that brought TBT from 14.2s β†’ 250ms.

Previously at Wipro (Turbo program). IndiaQuotient 30 Under 30 (Burn 2024).


🧱 Currently Building

  • AI agent orchestration platform (FastAPI + GCP Cloud Run) β€” model-agnostic layer across Claude, Gemini, and GPT-4o with structured LLM tool-use
  • Recurring-payment engine on PhonePe + Razorpay β€” mandate lifecycle, retries, provider failover, in-house checkout A/B testing framework
  • Customer web platform on Next.js 16 with React Server Components β€” surface driving 80% of platform revenue
  • MCP (Model Context Protocol) server with OAuth 2.0 β€” exposing Utsav admin tooling to external AI assistants

🎯 Selected Impact

πŸ€– Production AI agent platform β€” multi-provider orchestration, multi-channel delivery (WhatsApp Β· Instagram Β· Messenger), ~98-test suite with pre-push enforcement
πŸ’° Autopay engine scaling 0 β†’ 33K+ active weekly subscribers; drives the majority of Utsav's platform GMV
⚑ Performance rebuild β€” Next.js 16 + React Server Components; Performance Score 35 β†’ 76, TBT 14,220ms β†’ 250ms (57Γ— faster)
πŸ—οΈ 5-repo monorepo contributor β€” Express/TS backends, Next.js 14/16 frontends, FastAPI AI service on shared PostgreSQL (159+ models), Redis, AWS EKS + GCP Cloud Run

πŸ› οΈ Stack I Use Daily

Languages TypeScript JavaScript Python

Frontend Next.js React Tailwind Zustand

Backend Node.js Express FastAPI

Databases PostgreSQL MongoDB Redis

AI / LLM Anthropic Gemini OpenAI

Cloud & Infra AWS GCP Docker Kubernetes Vercel


πŸ“« Connect

LinkedIn Email Utsav

DMs open if you're:

  • Scaling a production AI agent platform or recurring-payments infra
  • Building consumer fintech in India
  • Curious about the intersection of technology and tradition

Ship-in-public daily. Based in Bengaluru.
Most of my current work lives in private Utsav repos β€” see the contribution graph above for actual activity.

Pinned Loading

  1. Amazon-starter-template-nextjs Amazon-starter-template-nextjs Public

    Forked from sonnysangha/Amazon-starter-template-nextjs

    This is the Official Starter template for the AMAZON 5 Day challenge (The SECRET Challenge!) - Next.js | React.js | Tailwind CSS | Redux | Tailwind | Firebase

    JavaScript

  2. movie_react_app_utsav_final movie_react_app_utsav_final Public

    JavaScript