Overview We're seeking a Senior Blockchain Developer to lead the technical implementation of cutting-edge Web3 integrations across multiple blockchain ecosystems. You'll be responsible for architecting and developing complex integrations with DID providers, Layer 2 solutions, educational platforms, and DeFi protocols while building scalable on-chain identity and reputation systems.
This role is perfect for an experienced blockchain developer who thrives on solving complex multi-chain challenges, implementing innovative Web3 protocols, and driving the future of decentralized professional networking.
Candidate requirements 4+ years of blockchain development experience with production deployments Strong Solidity development skills with experience in complex smart contract architecture Multi-chain development experience (Ethereum, Base, Solana, Polygon) Deep understanding of EVM and blockchain fundamentals Experience with Layer 2 solutions (Optimism, Arbitrum, Base) Advanced knowledge of smart contract security best practices and audit processes Experience with OpenZeppelin contracts and established patterns Proficiency in testing frameworks (Hardhat, Foundry, Truffle) Understanding of gas optimization techniques and contract upgradeability Experience with multi-signature wallets and timelock mechanisms Extensive experience with Web3.js/Ethers.js and blockchain API integration Wallet integration expertise (MetaMask, WalletConnect, Phantom, Rainbow) Experience with IPFS/Arweave for decentralized storage Knowledge of GraphQL for blockchain data querying (The Graph Protocol) RESTful API development for Web3 applications Understanding of DeFi protocols (Uniswap, Aave, Compound) Experience with token standards (ERC-20, ERC-721, ERC-1155, SPL tokens) Understanding of tokenomics and mechanism design Experience with stablecoin integration and payment rails
Desirable Experience with zero-knowledge proofs (zk-SNARKs, zk-STARKs) Knowledge of account abstraction (ERC-4337) and gasless transactions Familiarity with MEV protection and transaction optimization
Job responsibilities Design and develop smart contracts for identity verification, attestation systems, and reputation scoring Implement cross-chain bridges and multi-chain wallet integration Build escrow systems and payment processing for freelancer marketplace Develop tokenized bounty and referral systems with automated distributions Integrate with Base L2, Solana, and other blockchain networks Implement Layer 2 scaling solutions and optimize gas costs Build cross-chain attestation services and reputation portability Develop multi-signature wallet systems and account abstraction Implement zero-knowledge proof verification systems Build privacy-preserving authentication mechanisms Develop on-chain credential verification and attestation systems Integrate stablecoin payment systems (USD1, USDC, etc.) Implement yield farming and staking mechanisms
Meme Roast Video Editor Needed Category: Adobe Premiere Pro, After Effects, Animation, DaVinci Resolve, Sound Design, Video Editing, Video Post Editing, Video Services Budget: ₹600 - ₹800 INR
Instagram Reels Editor Designer Needed Category: Adobe Premiere Pro, After Effects, Animation, Creative Design, Graphic Design, Motion Graphics, Social Media Marketing, Video Editing Budget: ₹600 - ₹1000 INR
16-Jan-2026 04:58 GMT
Revit 3D Stair Core Detailing Category: 3D Modelling, Architecture, AutoCAD, Autodesk Revit, Construction, Revit Budget: $250 - $750 AUD
16-Jan-2026 04:56 GMT
PlayStation Walkthrough Video Category: After Effects, Game Development, Video Ads, Video Editing, Video Game Coaching, Video Processing, Video Production, Video Services Budget: ₹600 - ₹1500 INR
4K Vlog Editing & Branding -- 2 Category: After Effects, Audio Editing, Color Grading, Content Creation, Logo Design, Motion Graphics, Social Media Marketing, Video Editing, Video Post Editing, Video Services Budget: min ₹2500 INR
16-Jan-2026 04:54 GMT
Low-Cost Ecommerce Ad Campaign Category: Advertising, Content Creation, Digital Marketing, Email Marketing, Facebook Marketing, Google Ads, Instagram Marketing, Motion Graphics, Social Media Marketing, Video Editing Budget: ₹750 - ₹1250 INR
