Senior Frontend Engineer (Fintech / Web3)

About the Project We’re building a borderless, self-custodial remittance app that lets users send, receive, and hold stablecoins (USDC / EURC) across countries, with on/off-ramp integration, account-abstraction wallets, and virtual bank accounts. Our goal is to make stablecoin payments as easy as Revolut or Wise. You’ll be joining a small, product-driven team building the first version of the app from the ground up.

Responsibilities

• Lead the frontend architecture, design, and implementation of the web/mobile app.
• Work closely with product, design, and backend teams to bring user flows to life.
• Build clean, maintainable, and scalable codebases using modern frameworks.
• Integrate with wallet SDKs, and Web3 libraries (ethers.js, viem, wagmi, etc.).
• Optimize app performance, security, and responsiveness across devices.
• Implement user onboarding, KYC, and account-abstraction wallet flows.
• Set up reusable UI components, design systems, and frontend documentation.

Tech Stack

• Framework: Next.js / React
• Language: TypeScript
• UI: TailwindCSS / ShadCN / Radix UI
• State Management: Zustand / Redux Toolkit
• API: REST & gRPC (for internal microservices)
• Web3: ethers.js / wagmi / Privy / Reown SDK
• Tooling: Vite / ESLint / Prettier / GitHub Actions
• Mobile: React Native
• Optional: Expo

Requirements

• 5+ years of experience in modern frontend development.
• Strong proficiency with React + TypeScript + Next.js.
• Deep understanding of frontend architecture, security, and performance optimization.
• Experience integrating with TypeScript-based backends (REST/gRPC/GraphQL).
• Understanding of API design, authentication flows, and data models.
• Familiarity with fintech or Web3 products (wallets, on/off-ramps, etc.).
• Comfortable collaborating in small, fast-moving teams.
• Ownership mindset.
• Fluent English - required for daily team communication.

Nice to Have

• Experience with account abstraction (ERC-4337) or embedded wallets.
• Experience integrating on/off-ramps (e.g. LI.FI, Transak).
• Some backend familiarity (Node.js / Go / gRPC) to collaborate better with backend team.
• Past startup or fintech experience.

What We Offer

• Join an early-stage fintech with a bold mission: bringing stablecoin finance to emerging markets.
• Work directly with the founder & core engineering team on product decisions.
• Remote-friendly, async-first culture with clear ownership.
• Competitive pay.

Engagement

• Full-time
• Remote
• Start: Within 1 month