MADHAN J
MADHAN J
MADHAN J
MADHAN J
Building AI Agents that win competitions · Founded GPS AI Labs · Shipping Web3 solutions
0
Hackathon Wins
4 National + 2 International
0
Projects Built
AI, Web3, FullStack, ML
$0+
Prize Money Won
$3,000+ USD
👉 Hiring? Reach out directly:
jmadhanplacement@gmail.com
6x Hackathon
Champion
4 National + 2 International wins · $3,000+ prize money · Proven problem solver under pressure
6x
Total Wins
$3K+
Prize Money
2
International
ZKGate
HashKey Chain Horizon Hackathon
ZKID Track Track
Prize
🥈 2nd Place
3,000 USDT
Built ZKGate, a zero-knowledge identity verification system on HashKey Chain. Enables privacy-preserving credential proofs without exposing sensitive user data on-chain.
Security Sentinel
GitLab Duo Agent Platform Hackathon
AI Security Track
Prize
🏆 Winner
Featured in GitLab AI Catalog
Published to Catalog
3-agent autonomous security pipeline deployed to GitLab AI Catalog. Triggers on merge requests, performs OWASP vulnerability scanning, auto-generates fix suggestions using LangGraph + Groq + Claude.
RiskSentinel
NEAR Protocol DeFi Hackathon
DeFi Track
Prize
🏆 Winner
$2,000+ USD
AI-powered DeFi monitoring agent on NEAR Protocol. Multi-agent system using LangGraph that monitors wallet positions, detects liquidation risks in real time, and stores alerts on Filecoin via Storacha.
RAKSHANA 24/7
National Hackathon
Social Impact Track
Prize
🥇 1st Place
$1,000+ USD
Women's cyber safety platform with 24/7 Telegram monitoring, AI threat detection, and real-time emergency response coordination. 5th consecutive win.
CiteCraft AI
MIT Mysore Hackathon
EdTech Track
Prize
🥇 1st Place
$500+ USD
AI-driven citation management system with automatic bibliography generation and plagiarism detection for academic workflows.
InvestGuard AI
International Hackathon
FinTech/DeFi Track
Prize
🏆 Winner
Predictive fraud detection and risk analysis platform for DeFi markets. Combines on-chain data analysis with ML-based anomaly detection.
"Wins under pressure" = reliable problem-solving skills
See All Projects Built→Founder Experience
Built 2 companies from scratch. Both taught me how to ship fast, manage teams, and solve real problems.
🚀
GPS AI Labs Private Limited
Co-Founder & CTO
AI-powered product studio building innovative solutions at the intersection of AI and commerce.
📊
Hyperplott
Co-Founder
Deterministic DOE statistical analysis SaaS — parity with JMP/Minitab/Design-Expert, but AI-powered and built for researchers.
Why Hire Madhan J
You're looking at a rare combination: competitive problem-solver (6x hackathon winner), proven founder (GPS AI Labs shipping real product), and deep AI/Web3 technical depth. Not a resume. Results.
Native AI Developer
Fluent in LangChain, LangGraph, RAG pipelines. Ship production AI agents that actually work.
Proven Builder
6x Hackathon Winner. Founded GPS AI Labs. Built Phovite — India's verified creator marketplace.
Full-Stack AI+Web3
Not just code. Frontend, backend, smart contracts, zero-knowledge proofs, DeFi protocols.
Ship Fast
From idea to production in weeks. Hackathon training means execution speed without cutting corners.
6x
Hackathon
Wins
2
Companies
Founded
$3K+
Prize Money
Won
31
Projects
Built
Ready to see what this looks like in action?
Explore Track Record→Experience & Growth
HRTek Systems
- Built production AI agents and RAG pipelines for enterprise HRMS platform
- Worked with Remix.js, AWS DynamoDB, DeepSeek LLM for conversational AI
- Integrated conversational AI into HRTek's SaaS product
- Completed full 16-week structured internship program
MANIT Bhopal
- Developed facial authenticity verification system achieving 99.4% accuracy
- Custom deep learning architecture using ResNet50
- Research-grade model optimized for real-time edge deployment
Microsoft
- Built 'DocuMind' — automated document summarization tool
- Leveraged Azure AI services for large-scale enterprise data processing
- Achieved ROUGE-L score of 0.85 (+15% improvement)
Selected Work
Scroll down to explore. Projects scroll horizontally smoothly.
AI Agents
ApplyAI
Job intelligence agent with 3 Hindsight semantic memory streams. Learns from every rejection, updates its own reasoning errors, and discovers real patterns from your application history.
AI Agents
AgentHire
Autonomous job application engine. Navigates Lever, Greenhouse, Workday portals like a human — fills forms, uploads resume, answers screening questions, submits, and streams live progress to your browser.
AI Agents
RepoMind
Autonomous AI agent that clones any GitHub repo, runs a 5-phase audit (Plan → Execute → Delegate → Synthesize → Publish), applies 14+ auto-fixes, and opens a PR — in one coherent session with 60 tools via semantic Tool RAG.
AI Agents
EduAgent Pro
Multi-agent AI exam prep platform with 7 specialized agents, custom TF-IDF semantic RAG pipeline, real-time streaming voice Q&A, all grounded in students' own uploaded documents.
AI Agents
EmpathyOS
AI culture platform that quantifies the '6 Pillars of Love' as business metrics. Coaches leaders through difficult conversations, suggests Team Rituals to fix root causes, and exports reframes to Slack or Email.
Web3
ZKGate
🥈 2nd Place — HashKey Chain Horizon Hackathon. Zero-knowledge identity verification on HashKey Chain using Groth16 proofs (Circom). KYC, age proof, and accredited-investor status — zero personal data on-chain.
Web3
PrivateLens
World's first ZK + AI credit scoring protocol on Midnight Network. Groq LLaMA scores your finances locally → ZK-SNARK proof submitted on-chain → soulbound credential badges unlock DeFi lending pools. Zero bytes of raw data transmitted.
Web3
ONEDeFi
AI-powered Multi-Chain DeFi MCP Server covering Ethereum, Polygon, and Solana. Features AI Portfolio Doctor, Strategy Sommelier, and automated yield optimization via Comput3 AI + LLaMA models.
Web3
Frontier Trade Hub
Trustless on-chain P2P marketplace for EVE Frontier game items on Sui blockchain. Smart Move contracts handle escrow, 1% platform fee auto-split, and Smart Assembly Terminal integration for in-game trading.
Web3
BAGS_INDEX
Permissionless creator token index fund protocol on Solana's Bags (bags.fm). Curate baskets of creator tokens, buy indexes in one click, fork existing ones, and earn 0.5% fees on every trade forever.
Web3
InvestGuard AI
India's first AI investment fraud prevention platform. Monitors 15+ social media platforms 24/7 using BERT/LSTM models, verifies SEBI advisor credentials in real-time, and maps fraud networks with interactive visualization.
FullStack
Raseed — Smart Receipt Manager
AI-powered receipt management system using Google Cloud Vision OCR + Gemini AI. Supports English, Telugu, and Kannada interfaces. Tracks spending, generates analytics, and includes voice queries about your expenses.
FullStack
Alcovia Study App
Offline-first study app with hand-rolled sync engine using Lamport logical clocks. Two devices diverge offline, reconnect, and converge to identical state — provably. Rewards fire exactly once even from both devices.
FullStack
CiteCraft AI
🥇 MIT Mysore Hackathon Winner. AI-powered research paper generation platform. Transforms abstracts into professionally formatted papers with auto-citations in APA, MLA, IEEE, and Chicago. Export to PDF, DOCX, LaTeX.
FullStack
CareerSync AI
AI-powered job matching platform. Upload your resume PDF → skills auto-extracted → personalized job recommendations with match percentage scores. Dual roles: Job Seeker and Recruiter.
FullStack
TutorTeach.ai
AI-powered learning platform that generates personalized video lessons, summarizes texts, creates assignments, predicts student performance, and identifies individual strengths and weaknesses.
FullStack
FeeSecure
Intelligent fee management system for VEMU Institute. Final year B.Tech project with smart invoice generation, payment tracking, and automated reconciliation.
FullStack
Hyperplott
DOE (Design of Experiments) statistical analysis SaaS for pharma/biotech researchers. Deterministic numpy/scipy/statsmodels engine + Groq AI for human-readable interpretation. Parity with JMP/Minitab at a fraction of the cost.
ML
Facial Authenticity Verification
MANIT Bhopal research internship project. 99.4% accuracy facial authenticity verification using custom ResNet50 deep learning architecture optimized for real-time edge deployment.
ML
PulmoScan AI
AI-powered TB diagnosis and care platform. Uses CAD4TB for X-ray probability scoring, TensorFlow Lite for offline inference, and supports multilingual patient education in Kannada, Telugu, Tamil, and Malayalam.
ML
DocuMind
Azure AI document summarization tool built during the Microsoft internship. Achieved a ROUGE-L score of 0.85 (+15% improvement) processing large-scale enterprise data with Azure Cognitive Services.
Social Impact
RAKSHANA 24/7
🥇 National Hackathon Winner (5th consecutive win). Women's cyber safety platform with 24/7 Telegram monitoring, AI threat detection, and real-time emergency response coordination.
Social Impact
Bharatcraft
AI-powered artisan marketplace. TOI Ideas for India #1 ranked. Connects 10K+ artisans to global markets with GPT-4 product storytelling and Stripe payments.
15 Featured Projects
Full project demos, walkthroughs, and live builds from hackathons and competitions
Oracle Sentinel: AI Agents That Catch Prediction Market Manipulation in Real-Time
A three-tier autonomous AI agent network (Scout, Judge, Watchdog) built on Circle's ERC-8004 & ERC-8183 standards to detect and auto-dispute manipulation in prediction markets — using Bayesian inference and Arc Testnet attestations.
EduAgent Pro — AI Study Assistant for Exam Preparation | Steps AI Hackathon 2026
A full-stack AI exam preparation platform featuring 7 specialized AI agents, a custom TF-IDF semantic RAG pipeline, real-time streaming, and voice Q&A — grounded in students' own uploaded documents.
VaidyaAI — Offline AI Doctor for 800 Million Indians | Gemma 4 + Ollama
A fully offline AI medical triage system powered by Gemma 4 (gemma3:4b) via Ollama — zero internet required, works on a ₹4,000 Android phone, supports 4 Indian languages, fine-tuned on 500 Indian triage cases.
PrivateLens — AI Credit Scoring with Zero-Knowledge Proofs on Midnight Network
A ZK + AI credit scoring protocol built on Midnight Network that lets users prove creditworthiness without revealing their financial data — combining privacy-preserving zero-knowledge proofs with AI-driven scoring.
BriefAI — AI Influencer Brief Generator Built on MeDo | #BuiltWithMeDo Hackathon
An AI-powered influencer brief generator built on MeDo that turns a 2-hour brand-influencer brief process into 30 seconds, featuring multi-turn refinement chat, Brief Quality Score, and proactive AI suggestions.
ArgosX — Autonomous AI DeFi Agent | OKX Agentic Wallet + Groq LLaMA 3
A fully autonomous AI DeFi agent that monitors wallets every 60 seconds, detects risk, simulates trades before execution, and executes natural-language token swaps using OKX Agentic Wallet + Groq LLaMA 3.
Bags Index — The Creator Token Index Fund Built on Bags | Bags Hackathon 2026
A permissionless index fund protocol on Solana's Bags (bags.fm) that lets users curate baskets of creator tokens, buy indexes in one click, fork existing ones, and earn 0.5% fees on every trade forever.
Frontier Trade Hub — Decentralized P2P Marketplace for EVE Frontier | Sui Hackathon 2026
The first trustless on-chain P2P marketplace for EVE Frontier game items, built on the Sui blockchain with smart Move contracts, 1% platform fee auto-split, and Smart Assembly Terminal integration.
RiskSentinel — Autonomous DeFi Risk Agent | NEAR + Filecoin + Lit Protocol
A 3-agent AI pipeline (Monitor → Risk Analyst → Action Agent) that watches NEAR DeFi positions 24/7, scores liquidation risk using Groq LLaMA 3.3 70B, and stores tamper-proof audit logs on Filecoin.
Security Sentinel — AI-Powered Code Review Agent | GitLab Duo Agent Platform
A 3-agent AI pipeline (OWASP Security Scanner → Code Quality Analyst → Fix Suggester) that automatically reviews GitLab Merge Requests for vulnerabilities and writes actual fixed code in under 90 seconds.
ApplyAI — AI That Learns From Every Job Rejection
ApplyAI is a job application intelligence system with 3 persistent AI memory streams (powered by Hindsight) that learns from rejections, recommends strategies, and tracks follow-ups with skills gap analysis.
AgentHire – AI Agent That Automatically Applies to Jobs For You
An autonomous job application engine that navigates real job portals (Lever, Greenhouse, Workday), fills forms, uploads resumes, answers screening questions, and submits applications automatically.
ZKGate — Zero-Knowledge Identity Proof on HashKey Chain | ZKID Hackathon Demo
A privacy protocol using Groth16 ZK proofs (Circom/Poseidon) deployed on HashKey Chain that enables KYC compliance, age verification, and accredited investor status — with privacy-preserving revocation.
Zerve Open Innovation Challenge: What Drives User Success?
A data science submission analyzing user event data (canvases, code runs, collaborations, deployments) to identify which user behaviors are most predictive of long-term success on Zerve's platform.
EmpathyOS: Humanizing the Workplace with Love & AI | Full Demo
An AI-driven micro-coaching platform that helps leaders have difficult workplace conversations using the 'Love as a Strategy' framework — with intent clarification, leadership scorecard, and Empathy Bridge.
Mastering the Stack
AI & Machine Learning
Full-Stack Dev
Cloud & DevOps
Specializations
Verified Expertise
AWS Certified Cloud Practitioner
Amazon Web Services
Azure AI Fundamentals
Microsoft
Oracle AI Associate
Oracle
Google AI Essentials
NVIDIA AI Fundamentals
NVIDIA
IIT Madras IoT
NPTEL
National Innovation
Recognition
Ideas for India Challenge
Selected for Grand Finale among 12,000+ entries
Recognized by The Times of India and Optum India for Bharatcraft, connecting Indian artisans directly to global markets. Featured in the TOI Innovation Book as a key solution for Viksit Bharat 2047.
Presented By
Optum India
Organized By
Times of India
Bharatcraft
Direct empowerment for 10,000+ artisans
Multilingual
15+ languages
Empowerment
10,000+ Artisans
Market Access
Global Reach
Official Recognition
Certificate of Excellence
Featured in TOI Book
Available for Freelance Projects
I take on select freelance projects in AI/ML, Full-Stack Development, and LLM-powered applications. Every project gets my full attention and production-quality engineering.
AI/ML Solutions
RAG pipelines, LLM fine-tuning, computer vision systems, and fraud detection engines built for production.
Full-Stack Development
Next.js, React, FastAPI, and Flask web applications with seamless AI integration and scalable architecture.
Web3 & DeFi
Smart contracts, multi-chain DeFi dashboards, and blockchain integrations for next-gen decentralized applications.
Typical response within 24 hours
Let's build
something extraordinary
Whether you have a groundbreaking idea or a complex problem needing an AI-driven solution, I'm here to help.