Staff Smart Contracts Engineer
The Up Next Company
Node.jsOpen SourceSolidity
Senior Solidity Engineer
Telcoin
full-time
Posted on:
Origin: • 🇺🇸 United States • Missouri
Visit company websiteSalary
💰 $100,000 - $150,000 per year
Job Level
Senior
Tech Stack
Solidity
About the role
- Own the end-to-end architecture, development, testing, and deployment of smart contracts
- Translate business and product requirements into secure, efficient, maintainable on-chain logic
- Enhance cross-chain support from Polygon/Ethereum to other blockchains
- Optimize contracts for gas efficiency, composability, and long-term maintainability
- Conduct rigorous testing (unit, integration, fuzzing) and support third-party security audits
- Stay ahead of emerging blockchain vulnerabilities, attack vectors, and security practices
- Integrate smart contracts with backend services, APIs, and external partners
- Communicate blockchain capabilities and limitations to non-technical teams
- Promote best practices and uphold high standards of code quality and documentation
Requirements
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field—or equivalent experience
- 5+ years of professional software engineering experience, with 3+ years in EVM blockchain development
- Proven track record of deploying secure, production-grade smart contracts
- Expert-level Solidity and EVM knowledge
- Strong understanding of token standards, consensus mechanisms, and cryptographic principles
- Hands-on experience with frameworks like Foundry, Hardhat, or Truffle
- Deep familiarity with smart contract security best practices and vulnerabilities
- Ability to take initiative as the lead smart contract developer on projects
- Excellent communication skills across technical and non-technical stakeholders
