Sayantan Bal
Engineer · Kolkata·contact@sayantanbal.inEmail
Full stack developer — freelance client work and solo hackathon products. Turborepo SaaS, real-time backends, and AI-agent integrations with Corsair MCP. Next.js, TypeScript, Node.js, PostgreSQL, MongoDB, OAuth, WebSockets, RPCs, Drizzle, and deployment on Vercel and cloud.
Work with me
Available for freelance projects and open to collaboration on products, startups, and open-source work.
- Full-stack web apps — Next.js, TypeScript, MongoDB & PostgreSQL
- MVP builds and feature delivery for startups
- Integrations — payments, auth, real-time, AI agents
- Responsive UI, dashboards, and admin panels
Remote · Kolkata (IST) · async-friendly
Typical engagements: 2–8 week sprints, fixed-scope MVPs, ongoing part-time contract
Experience
AOTF
FreelanceFull Stack Developer
Sep 25 – Present
Kolkata, India
Kolkata
Satavisha Abacus
FreelanceFront End Developer
Jun 25 – Jul 25
Kolkata, India
Kolkata
Booklover Publishing House
InternshipWeb Developer Intern
Dec 23 – Feb 24
Remote
Remote
Featured
Projects
Superhuman-style Gmail and Google Calendar command center with Corsair SDK, approval-gated MCP agent chat, AI triage lanes, webhooks, and pgvector semantic search.
Technologies
Typeform-style form builder SaaS on Turborepo — dynamic Zod schemas, tRPC APIs, public/unlisted forms, Scalar docs, and judge-ready seeded demo data.
Full-stack polling platform with public share links, anonymous or authenticated responses, poll expiry, analytics dashboard, result publishing, and Socket.io live updates.
Technologies
Auth layer and protected seat booking on the ChaiCode starter — register/login, token middleware, duplicate prevention, and user-associated reservations.
Technologies
GitHub Activity
sayantanbal's coding journey over the past year
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