Senior Frontend Engineer (Web3)

TL;DR

Senior Frontend Engineer (Web3): Building high-performance DeFi interfaces and cross-chain liquidity onboarding flows with an accent on real-time data integration and complex state management. Focus on developing seamless user experiences for decentralized perpetual futures exchanges and optimizing performance for data-heavy applications.

Location: Must be based in EMEA or LATAM

Salary: €80,000–€120,000

Company

Infrastructure provider connecting users to liquidity across blockchain ecosystems through advanced bridging and swapping solutions.

What you will do

• Build and maintain high-performance DeFi interfaces powered by infrastructure APIs and SDKs.
• Develop cross-chain flows for bridging, swapping, and depositing assets.
• Implement onboarding experiences for perpetual future exchanges like Hyperliquid.
• Integrate real-time data streams and build data-rich UI components.
• Collaborate with cross-functional teams to design scalable frontend architecture.
• Ensure application reliability and performance through rigorous testing and optimization.

Requirements

• 6+ years of professional frontend engineering experience.
• Must be based in EMEA or LATAM.
• Strong expertise in React and TypeScript.
• Experience building complex, data-heavy user interfaces and working with real-time data.
• Understanding of DeFi, crypto infrastructure, and perpetual futures trading venues.
• Strong communication skills and ability to translate Figma designs into pixel-perfect interfaces.

Nice to have

• Experience with cross-chain or multi-chain DeFi applications.
• Knowledge of liquidity routing systems.
• Proven track record of open-source contributions.

Culture & Benefits

• Equity participation granted from day one.
• 30 days of annual paid time off.
• Annual team offsites in international locations.
• Flexible working hours and remote-friendly policies.
• Annual personal development budget of €1,000.
• One-time €1,000 allowance for home office setup.

Hiring process

• People operations interview.
• Technical take-home assignment.
• Meet-the-team and founder interview.
• Reference check.