Smart Contract Engineer (Solidity)

Company: Category Labs

Job Category: Software Engineering / Blockchain / Smart Contracts / Solidity

Contract Type: Full-Time, Permanent Location: Remote — Worldwide

Application Link: https://jobs.ashbyhq.com/category-labs/776ce314-aa12-471b-92...

Posted: May 8, 2026

Job Description: You'll build and audit smart contracts on Category Labs' high-performance blockchain platform — contributing to infrastructure that enables meaningful scale improvements over existing solutions.

Key Responsibilities:

• Design, implement, and audit smart contracts in Solidity
• Work with the research and engineering team on protocol-level contract design
• Contribute to testing frameworks, formal verification, and security auditing
• Build developer tooling and documentation for the smart contract ecosystem

Skills Required: Solidity, EVM, smart contract security, formal verification (preferred), Foundry/Hardhat, Rust (bonus), distributed systems awareness.

Requirements:

• Strong Solidity and EVM smart contract development experience
• Familiarity with smart contract security patterns and common vulnerabilities
• Experience auditing or writing production-grade contracts
• Interest in high-performance blockchain infrastructure