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Achievement: Pair Extraordinairex2Achievement: StarstruckAchievement: QuickdrawAchievement: Pull Sharkx3Achievement: YOLO

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shahsagarm/README.md

Hi there 👋, I'm Sagar

Full Stack AI Engineer from Ahmedabad, India 🏠

10+ years shipping production web apps — React on top, Node underneath, and AI agents in the loop. Independent since 2021, working directly with founders and product teams worldwide.

🚀 What you can hand me

  • 🤖 AI features that survive users — streaming chat, tool-calling agents, retrieval that answers from your data. Built on the Claude and OpenAI APIs and MCP, with evaluations and spend limits in place before launch.
  • 🧱 The whole product, front to back — typed React and Next.js on top; Node (Express/NestJS) and PostgreSQL underneath. One person owns both ends, so nothing falls through the gap.
  • 🎨 Design to code, designer optional — send a Figma file, it comes back as pixel-perfect, accessible code. No designer? Clickable wireframe in front of you within a day.

🛠️ Products I helped build

All five are live, in production, with real users:

  • MokoBoko — class booking platform for a boutique fitness studio in Lisbon. Full stack: booking app, admin console, Express API with Stripe.
  • Fiskil — consumer data sharing infrastructure for banks and energy providers. Customer console, Go services on Google Cloud, docs platform with an AI assistant and MCP server.
  • Lantern — AI marketing platform. React Flow workflow builder, Express/Fastify APIs, Temporal jobs powering the AI agents.
  • Wingie — flight comparison and booking marketplace.
  • Pepehousing — verified flat rentals in Poland, front end with typed data layer and Storybook.

🧰 The tools I reach for

AI & Agents: Claude API · Claude Code · MCP · Vercel AI SDK · OpenAI API
Frontend: TypeScript · React · Next.js · Tailwind CSS
Backend: Node.js · Express · NestJS · Go
Data: PostgreSQL · MongoDB
Design & Tooling: Figma · Storybook · Playwright · Git

💬 What clients say

"Job well done! I am really impressed. He is very very good at what he does:) I would recommend Sagar and will rehire in the future for Frontend development."
— Krisztian Gyuris, Founder, inboxgenie.io

"Great guy, highly recommended for any COMPLEX front-end development job! His skills are top-notch and he will be an amazing addition to any team."
— Eugen Esanu, Founder, shosho.design

📫 Reach me

⚡ Available for new projects right now.

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  1. sagarshah.dev sagarshah.dev Public

    Portfolio site, fully vibe coded. Next.js 16 + React 19 + Tailwind v4 on Vercel

    TypeScript 108 39