Senior Solidity Engineer
Superseed is the operating brand of SeedTech Limited, a British Virgin Islands company, currently offering curated on-chain stablecoin yield strategies through its Superseed app.
Maintainer signals as of 9/2/2026
Funding history
About Superseed
Superseed operates a DeFi product suite centered on Super Strategies, which deploys curated, risk-reviewed vault and routing strategies across third-party protocols. Its former Ethereum Layer 2 network is being sunset; the current site emphasizes the strategies product while listing Super Market and suprUSD as coming soon.
Skills
About the Role
Design, implement, and maintain production-grade Solidity smart contracts with a strong focus on security. Perform and respond to audits, deploy contracts to mainnet, apply smart contract design patterns, use development and security tools, and communicate clearly while working independently.
Requirements
- 5+ years of experience in software engineering
- Proven experience shipping production-grade smart contracts in Solidity
- Experience deploying contracts with high TVL on mainnet
- Deep understanding of the EVM and smart contract security
- Strong familiarity with the Ethereum DeFi and Web3 ecosystem
- High attention to detail
- Ability to work independently with minimal supervision
- Strong oral and written communication skills
- Familiarity with Hardhat, Foundry, or Brownie
- JavaScript or TypeScript experience (nice to have)
- Experience with Echidna or Slither (nice to have)
- Open-source contributions or mentoring experience (nice to have)
Responsibilities
- Design production-grade Solidity smart contracts
- Implement and maintain smart contract code
- Ensure smart contract security and best practices
- Perform and respond to security audits
- Deploy contracts to mainnet with high TVL
- Use smart contract development tools such as Hardhat, Foundry, or Brownie
- Apply smart contract design patterns
- Communicate progress and issues clearly while working independently
