Senior Frontend Engineer - Fintech & Crypto Wallets
Wonnpay FZE
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Job summary
WonnPay FZE is seeking an experienced Frontend Engineer to build and maintain high-quality fintech frontend experiences across wallets, payments, KYC, and account management. You will collaborate with backend teams, product, UX/UI, QA, and external partners to deliver secure, reliable interfaces for crypto transactions and card services.
You will work on secure authentication, multi-chain transactions, and scalable UI across mobile and web, using React/React Native and TypeScript in a fast-paced
Qualifications
- 5+ years of frontend development experience.
- Strong React/React Native, TypeScript, and JavaScript skills.
- Experience building fintech/crypto/wallet or payment apps.
- Good understanding of blockchain concepts and crypto networks.
- Experience with authentication, API security, and secure frontend practices.
Responsibilities
- Build and maintain frontend applications for WonnPay.
- Develop crypto-related user experiences (wallets, deposits/withdrawals, transactions).
- Integrate frontend with REST APIs and third-party fintech/crypto services.
- Work with blockchain concepts (USDT, USDC, BTC, ETH, SOL, ERC-20).
- Implement secure authentication, MFA, and wallet flows.
- Ensure responsive, performant cross-platform experiences.
- Collaborate with UX/UI to translate designs into production code.
- Participate in code reviews, CI/CD, and QA for releases.
- Resolve frontend production issues and performance problems.
Skills
Job description
WonnPay FZE is seeking an experienced Frontend Engineer to build and maintain high-quality fintech frontend experiences across wallets, payments, KYC, and account management. You will collaborate with backend teams, product, UX/UI, QA, and external partners to deliver secure, reliable interfaces for crypto transactions and card services.
You will work on secure authentication, multi-chain transactions, and scalable UI across mobile and web, using React/React Native and TypeScript in a fast-paced
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