Senior Frontend Engineer (Web3)

Senior Frontend Engineer - Perps

Company

LI.FI

Conditions

4 hours agoSeniorSalary: 80K - 120KRemote (EMEA or LATAM) Remote Full Time Frontend Jobs by LI.FI

Skills

Tanstack Query Swap Bridging Material Ui Perpetual Futures Zustand Tailwind Css Liquidity Routing Vitest Cross-Chain Frontend Architecture Vite Viem Wagmi Websocket Typescript Defi React Real-Time Data Mui Api Figma

About the Role

You will build and maintain high-performance DeFi interfaces and integrations. You will develop cross-chain user flows including bridging, swapping, and routing assets across multiple chains. You will implement onboarding experiences that connect users to decentralized perpetual futures exchanges. You will integrate frontend applications with APIs, SDKs, and widgets. You will build data-rich interfaces that surface routing options, transaction status, and cross-chain execution details. You will collaborate with backend, product, and design colleagues to design robust cross-chain user experiences. You will ensure performance, reliability, and maintainability through testing, debugging, and optimization. You will contribute to frontend architecture and reusable UI components used across products and integrations.

Requirements

• 6+ years of frontend engineering experience
• Strong experience with React and TypeScript
• Experience building complex data-heavy user interfaces
• Previous experience with DeFi applications, crypto infrastructure, or Web3 products
• Understanding of perpetual futures trading infrastructure
• Experience working with real-time data (WebSockets or streaming systems)
• Strong understanding of API integrations and frontend architecture
• Ability to translate designs from Figma into polished interfaces
• Strong communication and collaboration skills
• Experience building cross-chain or multi-chain DeFi applications (nice to have)
• Experience with bridging, swaps, or liquidity routing systems (nice to have)
• Open-source contributions or maintained public repositories (nice to have)

Responsibilities

• Build and maintain DeFi interfaces and integrations
• Develop cross-chain user flows including bridging, swapping, and routing assets
• Implement onboarding experiences for decentralized perpetual futures exchanges
• Integrate frontend applications with APIs, SDKs, and widgets
• Build data-rich interfaces surfacing routing options and transaction status
• Collaborate with backend, product, and design teams to design user experiences
• Ensure performance, reliability, and maintainability through testing and optimization
• Contribute to frontend architecture and reusable UI components

Benefits

• Annual team offsites
• 30 days of PTO
• Flexible remote days
• Flexible working hours
• Equity participation from day 1
• Entitlement to work computer (choice of equipment)
• Annual 1000€ personal development budget after 6+ months (pro-rated first year)
• One-time 1000€ remote budget for coworking or office setup

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