Building and self-hosting production ML inference pipelines, and shipping full-stack SaaS around them

React.js · Next.js · Node.js · MongoDB · Modal · Inngest

🎓 Integrated B.S.-M.S., Mathematics & Computing, NIT Agartala  |  💼 Open to Full-Stack / AI Infra roles (Remote & India)

---

🛠️ Tech Stack

Layer	Technologies
ML Infra & Orchestration	Modal (self-hosted GPU inference), Inngest (async jobs, retries/backoff), Anthropic API, Gemini API, Groq API
Frontend	React.js, Next.js (App Router), TypeScript, JavaScript (ES2022+), Tailwind CSS, Shadcn/UI, Framer Motion
State & Data	Redux, Zustand, TanStack Query, Context API, React Hook Form
Backend & Auth	Node.js, Express.js, Hono, EJS, REST APIs, JWT, Clerk Auth, Better Auth, OTP flows
Databases	MongoDB, Mongoose, Prisma ORM, Neon DB (PostgreSQL), Firebase Firestore, AppWrite
SaaS & Payments	Polar.sh (subscriptions)
Tools	Git & GitHub, MongoDB Atlas, Postman, Vercel, Render

---

📈 Professional Highlights

• ✅ 77.9% code ownership (299/384 commits) on Sahukari, a live fintech lending app at Bahi Khata — end-to-end OTP auth + Parse DB schema design
• ✅ 45% SEO / 53% mobile performance gain on a client React rebuild (Lighthouse-measured)
• ✅ Self-hosted Hallo3, Chatterbox TTS, and Ace-Step ML models on Modal GPU workers, orchestrated with async Inngest pipelines (retries, cold starts, credit-metered billing)
• ✅ Shipped Writ, an agentic terminal coding assistant, as a published npm package (bunx @keepserene/writ)
• ✅ Built end-to-end SaaS billing with Polar.sh subscriptions and credit systems across two AI products

---

🚀 Featured Projects

⌨️ Writ — Agentic Terminal Coding Assistant Full-stack agentic TUI (React-in-terminal), published to npm Stack: Bun · @opentui/react · Hono · Prisma/Neon · Clerk · Sentry Secure local tool execution (bash, file I/O) without exposing client secrets; Sentry error tracking + Polar.sh billing built into a distributable CLI. 📦 npm  ·  📝 Code	🖼️ Glent — AI Avatar Studio Animate portraits & clone voices in multiple languages Stack: Next.js · Hallo3 (Modal) · Chatterbox TTS (Modal) · Inngest · BetterAuth · Polar.sh Self-hosted Hallo3 and Chatterbox TTS on Modal GPU workers; async video pipeline via Inngest; credit-based billing. 🌐 Live  ·  📝 Code
🎼 Sonauto — AI Music Generation SaaS Generate complete songs: lyrics, melody, artwork Stack: Next.js · Ace-Step (Modal) · Groq API · Inngest · Polar.sh · Prisma Self-hosted Ace-Step inference on Modal via async Inngest jobs; atomic PostgreSQL transactions for concurrent credit management; Cloudflare R2 presigned URLs for asset delivery. 🌐 Live  ·  📝 Code	👁️ Ocular — Collaborative Design Canvas Real-time SVG canvas, Figma-inspired Stack: Next.js · Prisma · Neon DB (PostgreSQL) · Liveblocks Multi-user real-time collaboration with cursor sync and layer management. 🌐 Live  ·  📝 Code
💻 Moduo — Technical Interview Platform Live coding + video interviews, CoderPad-style Stack: React (Vite) · Node.js · Express · MongoDB · GetStream.io · Clerk · Monaco Editor Real-time collaborative code editor, video calls, and chat, built on the MERN stack for structured technical interviews. 🌐 Live  ·  📝 Code	📚 Imprintly — AI eBook Creator MERN stack eBook platform with AI writing assist Stack: React.js · Node.js · MongoDB · Gemini API AI-assisted writing, design, and export to ebook formats. 🌐 Live  ·  📝 Code

🎶 RaagRiff — Spotify Web Player

Full-stack music player with Spotify API, built pre-framework to deeply understand Node.js, OAuth, and server-side rendering

Stack: EJS · Express.js · Spotify Web API · OAuth 2.0

🌐 Live  ·  📝 Code

More projects: ZenKaryaX (AI task manager) · VoxNavi (AI voice interview assistant) · InstantNXT (real-time chat) · SynthVani (AI chat app) · QuillStack (blogging CMS)

---

📊 GitHub Analytics

---

💼 What I Bring

🤖 AI Infra Depth	Not just API calls — self-hosted inference (Modal), async orchestration (Inngest), retries and cold-start handling
🧱 Full-Stack Delivery	From database schema to deployed UI — shipped both sides in production
⚡ Performance-Driven	Proven 45–53% improvement track record; I measure, I don't guess
🔒 Auth Fluency	JWT, OTP, OAuth 2.0, Clerk, BetterAuth — shipped in real products
📐 Math Background	NIT Agartala Mathematics & Computing — I think in algorithms, not just syntax

---

📫 Let's Connect

   

Open to: Full-Stack Engineer · AI/ML Infrastructure · Remote & India-based roles · Open-source

---

"Turning mathematical logic into shipped, self-hosted products."