Senior Frontend Engineer - Perps

A quick run-down of the jobWe’re looking for a Senior Frontend Engineer to join our Perps / Orderbook squad.At LI.FI, we build infrastructure that connects users to liquidity across chains. Our Hyperliquid integration powers seamless onboarding into perpetual trading, allowing users to bridge assets, swap tokens, and deposit collateral directly into Hyperliquid markets.In this role, you’ll build high-performance DeFi interfaces and liquidity onboarding flows that connect users to decentralized perpetual futures exchanges (like Hyperliquid, Lighter, etc). This includes cross-chain bridging, swaps, and deposit flows powered by LI.FI infrastructure, enabling seamless access to decentralized perpetual trading.Please note: you must be located in EMEA or LATAM.Our stackNode.jsTypeScriptReactTailwind CSSMUIZustandTanStack Queryviem/wagmiViteVitestWhat you’ll doBuild and maintain DeFi interfaces and integrations powered by LI.FI infrastructure.Develop cross-chain user flows including bridging, swapping, and routing assets across multiple chains.Implement onboarding experiences that connect users to decentralized perpetual future exchanges, such as Hyperliquid, enabling seamless asset movement and liquidity access.Integrate frontend applications with LI.FI APIs, SDK, and widget.Build data-rich interfaces that surface routing options, transaction status, and cross-chain execution details.Collaborate closely with backend, product, and design teams to design robust cross-chain user experiences.Ensure performance, reliability, and maintainability through testing, debugging, and optimization.Contribute to frontend architecture and reusable UI components used across LI.FI products and integrations.What makes a good candidateWe’re looking for engineers who are comfortable building complex frontend systems in fast-moving environments.The current UX is mobile-focused, but the product is expanding to a multi-device experience with a rich full desktop design.Requirements6+ years of frontend engineering experienceStrong experience with React and TypeScriptExperience building complex, data-heavy user interfacesPrevious experience working with DeFi applications, crypto infrastructure, or Web3 productsUnderstanding of perpetual futures trading infrastructure, with exposure to venues such as Hyperliquid, Lighter, Extended, or similar DeFi/CEX derivatives platforms.Experience working with real-time data (WebSockets or streaming systems)Strong understanding of API integrations and frontend architectureAbility to translate designs from Figma into polished interfacesStrong communication and collaboration skillsNice to haveExperience building cross-chain or multi-chain DeFi applicationsExperience with bridging, swaps, or liquidity routing systemsOpen-source contributions or maintained public repositoriesIf your experience doesn’t perfectly match the description but you’re excited about building high-performance crypto trading interfaces, we’d still love to hear from youCompany 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!