Mid/Senior Smart Contract Engineer

LI.FI is simplifying multi-chain DeFi for traditional financial institutions, fintechs and service providers by offering a unified API to access all on-chain liquidity across major blockchains for best price same-chain and cross-chain swaps. We are a passionate team on a mission to enable a fairer, more decentralised world. Apart from the tech, we care a lot about user experience and aim to make complex technologies accessible to everyone.Setting yourself up for successTake a moment to read the job description before applying. We want to make sure this role is the right fit for you, so you don't spend time on an application that isn’t aligned with your experience. If this one doesn't quite match, we encourage you to submit your resume to our talent pool!Focus on your application, there's no need to reach out to team members directly. We review all applications thoroughly, so rest assured your submission will be carefully considered! If you have questions about which role might be the best fit for you, feel free to reach out to career@li.finance.To apply, please submit your resume and a cover letter detailing your relevant experiences and competencies. We love to see how your work has made a difference—whether it’s improving processes, increasing efficiency, or leading a project to success, so be sure to highlight this in your resume!A quick run-down of the jobWe are looking for a mid-level Smart Contract Engineer with a focus on EVM networks to join our API Expansion Team. This team is responsible for expanding our footprint by integrating new chains/ecosystems, new bridges and new functionalities. You will be writing new and adapting existing smart contracts, making sure they are peer-reviewed and audited and eventually deployed to some or all of our supported chains. Since we support 60+ EVM networks (and counting), such many-chain deployments bring their very own challenges that you help us to solve and automate as much as possible by creating smart scripts and by constantly improving our internal processes. Your security-first mindset and strong attention to detail will contribute to keeping us safe at all times.In this role you will be reporting directly to the Engineering Manager of the API Expansion Team.Our tech stack: Solidity, Yul/Assembly, Foundry, Typescript, Bash🌍 Location This role requires you to be located in EMEA or APAC region. Your application will not be considered if you are not located in these regions.What you'll doContribute to development and configuration of our 1200+ production smart contracts, ensuring security and optimal (gas) performanceCollaborate with external auditors, resolve audit findings and file audit reports to ensure full audit traceability of our codebaseCreate and improve scripts (typescript and bash) that help us to get our work done most efficientlyDeploy staging and production contracts to many chains simultaneously, ensuring contracts are verifiedCreate, review and sign multisig proposals in production environmentMaintain and improve our CI/CD pipeline on GithubReview and respond to bug bounty submissionsWrite demo scripts that showcase how our contracts function and have to be interacted withHelp our customer support team to analyze failing transactions and provide easy-to-digest explanations for our partners and clientsTake an active role in our smart contract chapter (e.g. with knowledge sharing presentations)Bring your own ideas and help us to grow every single dayWhat makes a good candidateAt least 5 years of software development experience with a focus on Solidity (at least 3, ideally 5 years) and solid experience in TypeScript (at least 3 years)Proficiency in YUL/Assembly and experience deploying smart contracts to multiple EVM networksMeticulous and quality-driven, you ensure high-quality outputs in all aspects of your workStrong written and verbal communication skills for effective interaction within a cross-cultural team and with external stakeholdersExperience working with/for a major DeFi protocol, especially a bridge or cross-chain protocol is a plusContributions to Ethereum Improvement Proposals (EIPs) or other public blockchain initiatives are a plusA degree in computer science or a related field is a plusCompany cultureEmbracing the differencesEmbrace your own differencesRespect and welcome the unique qualities of othersSee others’ differences as an opportunity to growOwn it, do itOwn tasks end-to-endHold yourself to a high bar for executionMake bold decisions, and be accountableUnderstand your limitations and seek for helpFail forwardTry - don’t be afraid to failLearn - don’t make the same mistake twiceAdapt - grow with the experienceHave fun togetherTake the time to get to know and understand each other betterDon’t take yourself too seriously and keep it light-heartedFun should be coming from a place of love and respectWhat you’ll getAnnual team offsites (Thailand in 2023 and Vietnam in 2024 were a blast, Marrakech in March 2025 was blast-ier; let’s see what happens in 2026!)30 days of PTOFlexible remote daysFlexible working hoursEquity participation from day 1Entitlement to work computer (choice of equipment)An annual 1,000€ personal development budget once you have worked 6+ months (pro-rated the first year)A one-time 1,000€ remote budget to use on coworking, office setup, etc.If you join us as an independent contractor, you’re only entitled to the first five benefits of this list.Application processSetting yourself up for success starts with the application! Click here to discover valuable tips that will help you navigate our application process effectively.LI.FI is an equal opportunity employer. We encourage individuals of all backgrounds to apply. Join us in our dedication to fostering a workplace that values and respects each team member's unique contributions.Shortlisted candidates will undergo a comprehensive interview process, including a people operations interview, a take-home assignment, a meet-the-team & founder interview, and a reference check.For more information, visit our page detailing our hiring process!