🌐 About Zaïffer

Zaïffer is a protocol enabling confidential, compliant, and composable finance across all EVM-compatible chains. Powered by Fully Homomorphic Encryption (FHE) from Zama, Zaïffer introduces confidential tokens (cTokens) that hide transaction amounts while preserving auditability and enabling selective disclosure.

Think of Zaïffer as the VPN for on-chain finance giving individuals and businesses the ability to transact privately, securely, and compliantly without leaving the DeFi ecosystem.

We are backed by PyratzLabs (venture builder) and Zama (leading FHE company), and we’re assembling our core tech team to bring confidential DeFi to the world.

🚀 Role: Senior Front-End Developer (React/DeFi UX)

🎯 Mission

As a Senior Front-End Developer, you’ll design and implement the user-facing experience of Zaïffer. From wallet integrations to confidential swaps and payments, you’ll make advanced cryptography accessible, intuitive, and seamless for Web3 and Web2 users alike

🛠️ Responsibilities

• Build and maintain Zaïffer’s dApp front-end (React, Next.js, TypeScript).
• Implement automated tests using frameworks such as Jest Cypress Playwright etc.
• Deliver high-standard responsive design, UX, and mobile-first interfaces.
• Ensure site accessibility (W3C standards) and SEO best practices (semantic tags, keywords, optimized URLs).
• Collaborate closely with back-end and crypto engineers to integrate APIs and SDKs.
• Ensure high performance, accessibility, and cross-browser compatibility.
• Contribute to our design system, user analytics, and onboarding flows.
• Propose and develop new technical projects and features.
• Draft specifications, provide technical framing, and maintain documentation.

🧑‍💻 Requirements

• 5+ years of professional front-end development experience.
• Proficiency in React, TypeScript, CSS.