Senior Frontend Engineer - Fintech & Crypto Wallets

Wonnpay FZE; Dubai; On-site; AED 424,000 - 670,000; Full time

Job summary

Wonnpay FZE is seeking an experienced Frontend Engineer to build secure, scalable fintech interfaces in Dubai. You will develop crypto wallet features, payment flows, and multi-chain transaction experiences across web and mobile platforms.

You will collaborate with product, UX/UI, and backend teams to deliver high-quality interfaces, implement solid security practices, and optimize performance in a fast-paced fintech environment.

Qualifications

• 5+ years of professional frontend development experience.
• Strong experience with React/React Native/TypeScript/JavaScript.
• Experience building fintech, crypto, blockchain, Web3, wallet, or payment apps.
• Knowledge of authentication, authorization, API security, and secure frontend development.
• Experience with Expo/React Native and Web3 libraries.
• Experience with AWS and production monitoring.

Responsibilities

• Build and maintain high-quality frontend applications for WonnPay.
• Develop crypto-related user experiences including wallets, deposits and withdrawals, and transaction flows.
• Integrate frontend applications with REST APIs and third-party fintech/crypto services.
• Collaborate with UX/UI designers and backend engineers to define and consume APIs.
• Investigate and resolve frontend production issues and performance problems.
• Write clean, maintainable, scalable, and well-tested code; participate in code reviews.
• Support rapid product releases while maintaining security and reliability.

Skills

React

React Native

TypeScript

JavaScript

Web3

Fintech

Crypto wallets

API integration

CI/CD

Git

Tools

Expo

Fireblocks

AWS

Job description

Wonnpay FZE is seeking an experienced Frontend Engineer to build secure, scalable fintech interfaces in Dubai. You will develop crypto wallet features, payment flows, and multi-chain transaction experiences across web and mobile platforms.

You will collaborate with product, UX/UI, and backend teams to deliver high-quality interfaces, implement solid security practices, and optimize performance in a fast-paced fintech environment.