Web3 Developer - Blockchain & Decentralized Applications (Remote)

Job Overview

We are looking for a skilled Web3 Developer with expertise in blockchain development, decentralized applications (dApps), and smart contract engineering. You will be responsible for designing and implementing a hybrid Web3 architecture that integrates on-chain smart contracts with off-chain middleware for a decentralized logistics and marketplace system.

This project leverages cutting-edge technologies such as Ethereum, Polygon, IPFS, Chainlink, and decentralized identity solutions, requiring experience in smart contract development, blockchain indexing, and Web3 integrations.

Key Responsibilities

• Develop smart contracts on Ethereum / Polygon / Optimism, ensuring security, efficiency, and scalability.
• Implement decentralized identity (DID) and verifiable credentials using tools like Spruce ID or Ceramic.
• Design and integrate oracles and cross-chain bridges for real-world data synchronization (Chainlink, The Graph).
• Develop and maintain Web3 APIs (GraphQL, The Graph, REST) to enable seamless blockchain interaction.
• Work with IPFS / Arweave for decentralized storage solutions.
• Optimize gas fees and Layer2 rollup transactions for efficient blockchain interactions.
• Collaborate with frontend developers to integrate Web3 functionalities into a React / Vue.js UI.
• Implement decentralized governance mechanisms (Snapshot, Aragon) for community participation.
• Ensure smart contract audits, formal verification, and security best practices.
• Integrate WalletConnect, MetaMask, and other Web3 authentication tools for seamless user access.

Skills & Qualifications

Must-Have :

Nice-to-have :

Tools & Technologies

How to Apply :

Interested candidates should submit their resume and a cover letter detailing their relevant experience and why they are a good fit for this position to [insert application email or link].

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