Job details
Mid/Senior Smart Contract Engineer
Full time|Remote|EMEA
Mid/Senior Smart Contract Engineer
Full time | Remote | EMEA
LI.FI
Blockchain / Web3
Experience Level
Senior
Salary Range (EUR)
€100,000 – €140,000
Job Deadline
Not specified
About Company
LI.FI simplifies multi-chain DeFi by providing a unified API that aggregates on-chain liquidity across major blockchains for same-chain and cross-chain swaps. The company focuses on making complex blockchain technologies accessible, secure, and scalable for financial institutions and service providers.
Job Description
LI.FI is looking for a Mid/Senior Smart Contract Engineer to join its API Expansion Team. This role focuses on developing, auditing, deploying, and maintaining smart contracts across 60+ EVM-compatible networks, with a strong emphasis on security, automation, and multi-chain scalability.
Responsibilities
- Develop and maintain 1200+ production smart contracts with a focus on security and gas optimization.
- Collaborate with external auditors, resolve audit findings, and maintain audit traceability.
- Create and improve automation scripts using TypeScript and Bash.
- Deploy and verify staging and production contracts across multiple EVM chains.
- Create, review, and sign multisig proposals in production environments.
- Maintain and improve CI/CD pipelines on GitHub.
- Review and respond to bug bounty submissions.
- Write demo scripts showcasing contract functionality and integrations.
- Support customer-facing teams by analyzing failing transactions and explaining issues clearly.
- Actively contribute to internal knowledge sharing within the smart contract chapter.
Qualifications
- 5+ years of software development experience.
- 3+ years of Solidity experience (ideally 5).
- 3+ years of TypeScript experience.
- Experience with Yul/Assembly and multi-chain EVM deployments.
- Strong attention to detail and security-first mindset.
- Excellent written and verbal communication skills.
Skills
SolidityYulEVMSmart ContractsDeFiTypeScriptBashFoundryMultisigCI/CDGitHub ActionsAuditingCross-chain Protocols