#110 - Frontend Software Engineer - Payments Platform

Job Description We are seeking a frontend engineer to build and maintain high-scale web applications for a payments platform. You will extend payment capabilities, add payment methods, and improve the reliability of mission-critical web applications using React and TypeScript. Enterprise experience strongly preferred. Key Responsibilities - Develop and maintain React micro-frontend solutions and web applications for a payments platform. - Add new payment methods to existing platform capabilities. - Deliver features, bug fixes, and reliability improvements. - Deliver production-ready changes through automated CI/CD pipelines with strong test coverage. - Write comprehensive unit, integration, and end-to-end tests to support application reliability.

Qualifications Must-Have Skills - BS or MS in Computer Science, or equivalent. - 5+ years of hands-on experience at a mid-to-senior level, with demonstrated ownership of production services in a distributed systems environment. - TypeScript and React, including functional components, hooks, context, and custom hooks. - Webpack bundling and code splitting, with component styling using SCSS/CSS Modules and Styled Components. - Experience building and maintaining micro-frontends using Webpack Module Federation or similar platform-integrated remote module architectures. - Strong working knowledge of GraphQL queries and mutations, Apollo Client caching and reactive variables, and type-safe hooks generated with GraphQL Code Generator or similar tooling. - Solid React Router experience for client-side navigation, plus experience building and validating complex forms. - Production engineering experience with frontend telemetry, error logging, feature flags, gradual rollouts, and debugging user-facing production issues. - Experience building accessible and internationalized interfaces using shared design systems, reusable component libraries, and localization workflows. - Unit and integration testing with Jest and React Testing Library; end-to-end testing with TestCafe, Cypress, or Playwright; and familiarity with automated accessibility testing tools. - CI/CD experience with GitLab CI or equivalent, plus ESLint, Prettier, and collaborative Git workflows including branching, code reviews, and merge requests. - Responsible use of modern coding assistants for code comprehension, implementation, refactoring, and test creation while retaining ownership of quality, security, and correctness. - Strong working knowledge of backend and distributed systems, including asynchronous messaging and multi-datastore consistency. End-to-end ownership of backend systems is not required, but limited understanding of these concepts is insufficient.

Additional Information Required Tools & Platforms - TypeScript, React, and React Router. - Webpack, with Module Federation or a similar remote-module architecture. - SCSS/CSS Modules and Styled Components. - GraphQL, Apollo Client, and GraphQL Code Generator or similar tooling. - Jest, React Testing Library, and TestCafe, Cypress, or Playwright. - GitLab CI or equivalent, Git, ESLint, and Prettier. - Shared design systems, localization workflows, and automated accessibility testing tools.