Senior Smart Contract / Blockchain Developer (Solidity, Web3)

Senior Smart Contract / Blockchain Developer (Solidity, Web3)

Location:Remote | Employment Type:Full-time / Part-time
Experience: 7+ years in software development, including 3+ years in Blockchain.
 

About the Project
We are building a new Web3 platform featuring a custom wallet, time-limited transaction logic, and an admin panel. The platform will operate on one of the EVM-compatible blockchains.

Key Responsibilities

- Develop and deploy secure and reliable smart contracts (Solidity)
- Integrate smart contracts with a web3 wallet
- Participate in building a custom wallet with the ability to send and receive transactions
- Implement logic for monitoring and filtering transactions
- Collaborate with the frontend team (React) and the Project Manager
 

Requirements

- 7+ years of experience in software development
- 3+ years of experience in Solidity / Ethereum or EVM-compatible blockchains
- Strong understanding of blockchain fundamentals: transactions, gas, storage
- Experience with Hardhat, Foundry, or Truffle
- Hands-on experience with web3.js or ethers.js
- Ability to design time-based transaction logic
- Experience integrating contracts with custom or standard wallets (MetaMask, WalletConnect)
- Experience ensuring smart contract security and understanding of common vulnerabilities
- English level sufficient for reading documentation and basic communication
 

Nice to Have

- Experience building custom Web3 wallets
- Participation in smart contract audits
- Basic knowledge of front-end technologies (React / Next.js)