Work & Projects
Experience
Contract Developer — Full-Stack Business Platform
Shiv Cement Store — Top 5 Cement Seller in Bihar
Aug 2025 – Mar 2026
- ▹Built a full-stack business platform for a retail cement store — Next.js 14 customer website, Expo React Native admin/staff mobile app, and Express 5 REST API deployed on Render + Vercel
- ▹Implemented RAG-powered AI chatbot using OpenAI GPT-4o, Pinecone vector search, and Upstash Redis caching — supports Hindi, English, and Hinglish with live product pricing via OpenAI function calling
- ▹Engineered a tamper-proof GPS + rotating QR code attendance system with Haversine geofence validation, bcrypt-secured 4-digit PIN auth, and soft-delete staff management
- ▹Architected multi-role JWT authentication (admin 7-day / staff 1-day), AWS S3 presigned uploads, rate limiting, NoSQL injection protection, and optimistic UI updates across mobile and web
- ⚙Tech: Next.js 14 · Express 5 · MongoDB Atlas · React Native (Expo) · OpenAI GPT-4o · Pinecone · Upstash Redis · AWS S3 · Vercel · Render
Intern — Cybersecurity, Cloud Computing & Web Development
Technosys IT Management Private Limited
Feb 2025 – Aug 2025
- ▹Deployed AWS cloud apps (EC2, S3, IAM, Lambda), boosting uptime by 15%
- ▹Identified and remediated 20+ security flaws using Nmap, Burp Suite, and Wireshark
- ▹Built MERN modules with secure coding, cutting load times by 25%
Projects
AI-Powered Alexa Assistant
A serverless voice assistant integrating OpenAI GPT-4 for real-time, intelligent conversations. Features session persistence via DynamoDB.
Mythos AI Studio
An AI-native storytelling platform that converts prompts into cinematic narrated videos using multi-agent orchestration.
Foxpop.in
A production-grade e-commerce platform for Makhana sales with secure payments and CI/CD pipelines.
MedScan AI
An intelligent healthcare companion that instantly identifies medications from images or text. Powered by Gemini Vision AI and AWS, it provides easy-to-read summaries of uses, dosages, and critical drug interactions. Also available as an APK.
URL Shortener
A fast, minimal URL shortener built with Next.js. Paste any long URL and get a clean, shareable short link instantly.
Prompt Enhancer
A GenAI utility tool designed to optimize and refine LLM prompts for better output quality.
Serverless Notification System
A cost-optimized (<$1/month) notification architecture sending Emails and SMS. Orchestrated using AWS Step Functions to handle state and logic.