Senior Smart Contract Engineer

Remote role for candidates based in Vietnam.

• Optimize smart contracts for gas efficiency and benchmark every change before and after.
• Design, implement, and maintain precompiles in the execution client.
• Refactor existing contracts for performance, modularity, and upgradeability while preserving behavior.
• Work closely with the core chain team to find and resolve bottlenecks across contracts, the EVM, and node software.
• Drive measurable TPS and latency improvements through load testing and benchmarking.
• Protect security and quality with thorough testing and by working with auditors on findings.

• 4+ years of experience in smart contract or blockchain protocol engineering.
• Strong Solidity skills, including gas optimization and EVM internals.
• Proficiency in Rust, Go, or C++ for precompile and client-level work.
• Hands-on experience with profiling and benchmarking tools such as Foundry or Hardhat.
• Solid understanding of blockchain performance factors, including block time, gas limits, and state growth.
• Fluent in English and Vietnamese (written and spoken)

Nice to have:

• Contributions to EVM clients (Reth, Geth, Erigon) or other L1/L2 codebases.
• Experience building high-performance on-chain apps such as DEXs, perpetuals, or order books.
• Knowledge of parallel execution, rollups, or zero-knowledge systems.

• Competitive Salary and Token Allocation: You’re so early.
• Top-Tier Collaboration: Work alongside some of the top builders in the blockchain space, contributing to a project at the cutting edge of Ethereum scalability.
• Remote Work: Enjoy the flexibility of working remotely from anywhere worldwide.
• Professional Growth: Opportunities for continuous learning and professional development in a cutting-edge environment.
• Innovation and Impact: Be part of a project that is shaping the future of Ethereum scalability and directly impacting the broader blockchain ecosystem.