О компании
Serokell is focused on building secure blockchain products with seamless wallet-connected user experiences.
Обязанности
- Design, develop, test, and deploy secure smart contracts for blockchain applications.
- Build and maintain wallet integration flows, including wallet connection, transaction signing, network switching, and error handling.
- Collaborate with frontend and backend engineers to integrate smart contracts into user-facing products.
- Improve smart contract architecture with a focus on security, scalability, maintainability, and gas efficiency.
- Write comprehensive unit, integration, and end-to-end tests for smart contracts and wallet workflows.
- Support contract deployment, verification, monitoring, and upgrade processes across testnet and mainnet environments.
- Participate in code reviews and contribute to engineering best practices.
- Work with product and engineering teams to define technical requirements and deliver production-ready blockchain solutions.
- Stay current with blockchain protocols, Web3 tooling, wallet standards, and smart contract security practices.
Требования
- 5+ years of professional experience as a Smart Contract Engineer, Blockchain Engineer, or similar role.
- Strong proficiency in Solidity and EVM-based smart contract development.
- Experience with development frameworks such as Hardhat, Foundry, or Truffle.
- Experience with wallet integration libraries such as ethers.js, web3.js, wagmi, viem, or similar tools.
- Hands-on experience integrating wallets including MetaMask, WalletConnect, Coinbase Wallet, and other EVM-compatible wallets.
- Strong understanding of blockchain fundamentals, including gas optimization, transaction lifecycle management, smart contract upgrade patterns, token standards (ERC-20, ERC-721, ERC-1155), and event indexing.
- Experience with smart contract testing, auditing processes, and security best practices.
- Strong communication skills and ability to collaborate effectively in a remote environment.
- Ability to work independently and take ownership of projects from design through deployment.
Условия и бенефиты
- Fully remote work environment
- Work from anywhere in the world
- Competitive compensation: $150,000 - $180,000 USD annually
- Flexible working hours
- Opportunity to work on innovative blockchain and Web3 products
- Collaborative and experienced engineering team



