Frontend Engineer

Our client, a leading payments and digital wallet company, is seeking a Senior Web Front-End Engineer to help build and refine one of the top send-money experiences worldwide. This role focuses on solving complex front-end challenges and delivering secure, performant features for web-based monetary transactions. You will work with React-based web applications, contribute across the stack when needed, and help ensure high-quality releases through testing and effective debugging. This is an opportunity to impact how people move money globally and to work on technically challenging, user-facing features. Responsibilities * Design and develop user-facing features in a React web application. * Build and maintain unit and functional tests using Jest and React Testing Library. * Debug client-side issues and trace logs across the browser and application stack. * Collaborate with engineers to support quality assurance and production releases. * Contribute across the full stack with basic NodeJS/Express work as required. * Review code and provide constructive feedback to improve reliability and maintainability. * Troubleshoot cross-component integration issues and follow stack traces to root causes. Must Have * 5+ years of hands-on professional JavaScript experience. * Solid experience using React. * Experience writing unit and functional tests for web applications with Jest, React Testing Library, or similar. * Practical understanding of NodeJS and Express and the ability to work fullstack on web applications. * Strong client-side debugging skills and the ability to follow stack traces across the web application. * Ability to work independently and collaborate effectively with engineering teams. * Experience supporting quality assurance and release processes. Nice to Have * Knowledge of cross-browser and platform constraints and familiarity with CSS. * Familiarity with React Hooks. * Familiarity with Apollo GraphQL.