Web3 Job Portal with DAO Governance & AI Job Recommendations

Overview

This project is a decentralized job portal where employers can post jobs, freelancers can apply, and payments are handled through smart contracts. It includes:

✅ Job Listings on Blockchain (Ethereum, Solidity)
✅ Escrow Smart Contracts for Payments
✅ DAO-based Hiring & Dispute Resolution
✅ AI-Powered Job Recommendations
✅ Fully Decentralized & Web3-Enabled

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🏗 Tech Stack

Backend (Smart Contracts)

• Solidity (Ethereum Smart Contracts)
• Hardhat (Deployment & Testing)
• IPFS (Decentralized Storage)

Frontend

• Next.js (React Framework)
• Ethers.js (Blockchain Interaction)
• Web3.js (Ethereum Provider)

AI API

• FastAPI (Python Backend)
• Hugging Face Transformers (AI Job Matching)
• Uvicorn (FastAPI Server)

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📂 Project Structure

Web3-Job-Portal/
│── backend/                 # Smart Contracts
│   ├── contracts/
│   │   ├── JobPortal.sol    # Job Management
│   │   ├── Escrow.sol       # Payment Handling
│   │   ├── DAO.sol          # Governance
│   ├── scripts/
│   │   ├── deploy.js        # Deployment Script
│   ├── hardhat.config.js    # Hardhat Config
│── frontend/
│   ├── components/
│   │   ├── PostJob.js       # Job Posting UI
│   │   ├── JobList.js       # Job Listings UI
│   │   ├── DAO.js           # DAO Governance UI
│   │   ├── AIRecommendations.js # AI Job Matching
│   ├── utils/
│   │   ├── web3.js          # Web3 Interaction
│   ├── pages/
│   │   ├── index.js         # Main Page
│── ai-api/
│   ├── recommendation_api.py # AI API for Job Matching
│── README.md                # Documentation

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🚀 Deployment Guide

1️⃣ Install Dependencies

npm install --save-dev hardhat ethers dotenv

2️⃣ Compile and Deploy Smart Contracts

npx hardhat compile
npx hardhat run scripts/deploy.js --network mumbai

Replace mumbai with your network (e.g., localhost, goerli).

3️⃣ Start AI Job Recommendation API

cd ai-api
pip install fastapi uvicorn transformers torch
uvicorn recommendation_api:app --reload

4️⃣ Start Frontend (Next.js)

cd frontend
npm install
npm run dev

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🎯 Features & How It Works

1️⃣ Job Posting & Applications

• Employers post jobs using PostJob.js UI.
• Jobs are stored on-chain using JobPortal.sol.

2️⃣ Escrow Smart Contract for Payments

• Employers deposit salary into Escrow.sol.
• Payment is automatically released after job completion.

3️⃣ DAO-Based Governance

• Community votes on disputes using DAO.sol.
• Uses Snapshot.js for governance voting.

4️⃣ AI-Powered Job Recommendations

• Uses Hugging Face NLP models to match jobs with freelancer skills.
• API hosted using FastAPI + Uvicorn.

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🔗 Future Enhancements

✅ Metamask Authentication
✅ Token-Based Rewards
✅ Skill-Based Smart Matching
✅ On-Chain Freelancer Ratings