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The multi-chain liquidity gateway. A DeFi middleware to build crypto-enabled businesses.
Senior Frontend Engineer – Perps
Location
Europe
Posted
73 days ago
Salary
€80K - €120K / year
Seniority
Senior
Job Description
Senior Frontend Engineer – Perps
LI.FI
• Build 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.
Job Requirements
- 6+ years of frontend engineering experience
- Strong experience with React and TypeScript
- Experience building complex, data-heavy user interfaces
- Previous experience working with DeFi applications, crypto infrastructure, or Web3 products
- Understanding 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 architecture
- Ability to translate designs from Figma into polished interfaces
- Strong communication and collaboration skills
- Nice to have
- Experience building cross-chain or multi-chain DeFi applications
- Experience with bridging, swaps, or liquidity routing systems
- Open-source contributions or maintained public repositories
Benefits
- 30 days of PTO
- Flexible remote days
- Flexible working hours
- Equity participation from day 1
- Entitlement 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.
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