About TopSkill.io
TopSkill.io is a remote-first talent platform connecting companies with top engineers, AI experts, and designers.
We focus on speed, quality, and trust delivering pre-vetted professionals supported by coaching, operations, and technology.
We are seeking a Blockchain Developer to build and maintain blockchain-based applications and smart contracts. You will work on developing decentralized applications (dApps), implementing smart contract logic, and integrating blockchain platforms into our systems. This is a cutting-edge role for someone excited about blockchain technology and its real-world applications in finance, supply chain, etc.
Key Responsibilities:
- Develop, test, and deploy smart contracts (e.g. in Solidity for Ethereum or using Hyperledger Fabric)
- Build decentralized applications (dApps) that interact with blockchain networks; integrate blockchain data with front-end or back-end systems
- Research and implement appropriate consensus algorithms or blockchain frameworks based on project requirements; ensure security of blockchain transactions
Requirements:
- 2+ years of experience in software development with at least 1 year focused on blockchain technologies
- Proficiency in smart contract development (Solidity, Vyper) and familiarity with Ethereum or other blockchain protocols (Polygon, Binance Smart Chain, etc.)
- Understanding of cryptographic fundamentals, tokens/coins, and blockchain architecture (distributed ledgers, consensus mechanisms)
- Experience with blockchain tools (Truffle, Hardhat, Web3.js/Ethers.js) and deploying contracts to testnet/mainnet environments
Skills/Tags: Blockchain, Solidity, Smart Contracts, Ethereum, Web3, Cryptography, dApp Development, Remote
Why join us
- Remote work with flexible hours.
- High-impact roles with global clients.
- Competitive pay, equity & growth.
- A collaborative, mission-driven community of top talent.