Manuj Rai
Full-Stack & AI Engineer
/ Summary
I joined Fibre2Fashion as an intern building ASP.NET + SQL Server systems, grew into Python for data pipelines and large-scale scraping (requests, Playwright, Selenium), and now build AI agents in production — RAG, LangChain, tools, multi-step workflows. I help founders launch India-market web products fast — Next.js + Supabase + Razorpay, with Cloudinary for media, MSG91 OTP, Resend/SMTP for email, and AI baked in. Idea to live URL in weeks.
/ Experience
Software Engineer — AI & Backend· Fibre2FashionNow
2024 — Present- Started on ASP.NET Core + SQL Server — built and maintained internal web applications across the company stack.
- Authored Python data pipelines: Excel ingestion into SQL Server, large-scale web scraping with requests, Playwright, and Selenium.
- Completed company-sponsored Python + AI program (stipend + external instructor) covering RAG, LangChain, tools, and agents.
- Now ship production AI agents in Python — RAG over internal docs, LangChain tool-use, multi-step workflows — alongside ongoing ASP.NET / SQL work.
Freelance Full-Stack Developer· IndependentNow
2024 — Present- Ship Next.js + Supabase products for India-market founders — Razorpay payments, MSG91 OTP, Cloudinary media, Resend/SMTP transactional email.
- Deploy on Vercel, Netlify, and Render (for small Python services); use Supabase edge functions + auth as the backend default.
- Recent wins: D2C ecommerce (Trendverse), salon booking template (Hair Crezz).
IT Intern· Fibre2Fashion
2023 — 2024- Learned ASP.NET + SQL Server on the job, ramped onto the company's internal product stack.
- Assisted in maintaining and updating internal web applications under senior review.
/ Selected projects
Trendverse — D2C Ecommerce
FreelanceA direct-to-consumer storefront with product catalog, cart, checkout, inventory, and an admin panel the owner actually uses.
- Replaced 3 separate tools (sheet + DMs + UPI) with a single product
- Checkout completion lifted noticeably vs the abandoned DM-and-Google-Forms flow it replaced
Hair Crezz — Salon Booking Template
FreelanceA customizable salon-booking template — each owner gets a branded deployment with their own services, stylists, slots, payments, and SMS confirmations.
- No-show rate dropped once deposit-on-booking + SMS reminders went live
- Daily scheduling time for the owner went from hours of WhatsApp triage to minutes in the dashboard
AI Chatbot — RAG · Agents · Tools
Day jobA production retrieval-augmented chatbot over internal documents. Metadata-filtered retrieval feeds a tool-using agent loop; FastAPI exposes the API; the Python service runs on Render.
- Metadata filtering narrows the candidate set before vector ranking — fewer off-topic chunks reach the LLM
- Agent with tools handles structured questions ("extract X from section Y") beyond plain semantic search
/ Skills
- Languages
- C#TypeScriptJavaScriptPythonSQL
- Backend
- ASP.NET CoreSQL ServerSupabase (DB · Edge · Auth)REST APIsNode.js
- Frontend
- Next.js / ReactTailwindThree.js / R3FFramer Motion
- AI & Data
- RAGLangChainTools & AgentsOpenAI (GPT-4o)Playwright / Selenium scrapingPrompt engineering
- Payments, Comms & Ops
- RazorpayMSG91 (OTP)Resend / SMTPCloudinaryVercel / Netlify / RenderGitHub Actions
bold = expert · daily driver