name: "Krrish Ranjan"
role: "Final-Year B.Tech CSE (Blockchain) @ VIT Vellore"
location: "Vellore, Tamil Nadu, India"
cgpa: "8.86/10"
focus:
- "Full-Stack Development"
- "AI/ML Engineering"
- "Blockchain/Web3"
internships: 3
hackathons:
- "Adobe India Hackathon 2025 - Round 3"
leadership: "Events Head, Cycling Club VIT (300+ riders)"What I Do:
- Build production-ready full-stack applications with React, Node.js, TypeScript
- Engineer AI/ML pipelines for document intelligence (PDF processing, NLP, semantic search)
- Develop blockchain applications (NFT marketplaces, smart contracts with Solidity/Hardhat)
- Create real-time systems (WebSocket games, leaderboards, anti-cheat validation)
+ sentence-transformers, PyMuPDF, LangChain, IBM Watsonx
+ Hardhat, ethers.js, IPFS, ERC-721/1155
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| Project | Description | Tech Stack | Highlights |
|---|---|---|---|
| Email Subject Generator + Spam Analyzer | Generates high-open-rate email subjects with real-time spam risk analysis | Python IBM Watsonx NLP Flask |
Watsonx.ai integration, real-time spam scoring, production-ready API |
| Persona-Driven PDF Analysis (adobe_1b) | Document analysis pipeline that extracts info based on persona-specific queries | Python PyTorch sentence-transformers Docker |
Adobe Hackathon Round 3, sub-10s on 50-page PDFs, CPU-only, 200MB model budget |
| PDF Outline Extractor | Automatically builds structured outlines from PDFs | Python PyMuPDF Docker |
Hierarchical extraction, Dockerized offline pipeline, Round 1A solution |
| Hotel-La-Villa | Full-stack booking platform with admin dashboard & live visualizations | React Node.js MySQL JWT Chart.js |
Admin dashboard, real-time charts, secure auth, responsive design |
| Space Cargo Runner | Real-time multiplayer game + Telegram Mini App | TypeScript Phaser.js React Node.js PostgreSQL Socket.IO |
8-table schema, <50ms p99 leaderboard, server-authoritative anti-cheat, Redis sorted sets |
| Provenance Protocol | Decentralized NFT marketplace | Solidity Hardhat React ethers.js IPFS |
ERC-721, IPFS metadata, testnet deployed, full-stack Web3 |
May 2026 – Jun 2026 · Surat, Gujarat
- Built real-time multiplayer game backend (Node.js, Express, PostgreSQL, Socket.IO)
- 8 normalized tables, <50ms p99 leaderboard queries via compound indexes, Redis sorted sets
- Server-authoritative anti-cheat with deterministic replay simulation
- Telegram Mini App + Web clients (TypeScript, Phaser.js) — 60fps on 5-year-old Android
May 2025 – Aug 2025 · Gurugram
- Reduced API latency 20% (p95: 340ms → 270ms) via eager loading + compound indexes
- Established 3-stage CI/CD pipeline (lint → Jest/Supertest → Docker build)
- Instrumented request analytics with Prometheus/Grafana
Jan 2025 – Apr 2025 · Bengaluru
- Eliminated 1 DB round-trip/auth request via stateless JWT + refresh rotation
- Redis blocklist with TTL for instant logout across sessions
| Achievement | Issuer | Year | Badge |
|---|---|---|---|
| Adobe India Hackathon - Round 3 | Adobe | 2025 | |
| Generative AI using IBM watsonx | IBM | 2025 | |
| Full Stack Web Development | Unified Mentor | 2025 | |
| Events Head - Cycling Club | VIT | 2025 |
Vellore Institute of Technology, Vellore, Tamil Nadu, India
B.Tech in Computer Science & Engineering (Blockchain Technology)
CGPA: 8.86/10 · Aug 2023 – May 2027
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