Blockchain Developer

About This Role

Developing and integrating blockchain solutions for a token-based platform is the core of this role for an experienced Blockchain Developer. The position involves working with Solidity, Smart Contracts, and Web3 to build secure and optimized blockchain applications.

Responsibilities

• Develop, test, and deploy Solidity smart contracts
• Work on Polygon and BNB Smart Chain (BSC)
• Build smart-contract logic for investment, ROI, referral, level, and rank-based rewards
• Develop and integrate ERC-20 tokens
• Integrate DEXs and liquidity pools
• Use PolygonScan and BscScan for contract verification, monitoring, and debugging
• Integrate blockchain with backend/frontend using Ethers.js / Web3.js
• Ensure contracts are secure, optimized, tested, and production-ready
• Troubleshoot blockchain transactions and smart-contract issues

Requirements

• 4+ years of professional Blockchain/Web3 development experience
• Strong Solidity & Smart Contract development skills
• Hands-on experience with Polygon and BSC
• Strong knowledge of ERC-20 tokens and blockchain transactions
• Experience with Ethers.js / Web3.js
• Knowledge of DEXs, liquidity pools, and DeFi
• Understanding of smart-contract security and gas optimization
• Experience with Hardhat, Foundry, or similar frameworks
• Able to independently design, develop, test, integrate, and deploy blockchain solutions
• Strong problem-solving and debugging skills
• Comfortable working with Backend, Frontend, QA, and Product teams

Nice to have:

• Node.js / TypeScript knowledge
• DeFi and token-based platforms experience
• ROI, referral, level, reward, or rank-based systems experience
• Working with existing smart contracts, ABIs, and blockchain explorers
• Production deployment and maintenance on Polygon/BSC