Senior Frontend Engineer, Billing

Responsibilities

• Code high-quality products using the latest versions of React and TypeScript
• Build micro frontend web applications using domain-based design architecture
• Leverage Apollo GraphQL as a Backend for Frontend (BFF) to build scalable Node.js services
• Collaborate with design teams to build design systems and common UI components
• Deliver NPM packages and library widgets to facilitate easy client integration
• Deploy micro frontends and Node.js services using GCP, Aliyun, and GitLab CI/CD
• Implement high-quality unit and E2E tests using React Testing Library and Cypress to maintain 80%+ coverage
• Research cutting-edge technologies and drive initiatives to reduce technical debt

Requirements

• 5+ years of front-end development experience and 2+ years of front-end architecture experience
• Proven experience developing large-scale financial web systems
• Proficiency in HTML5, CSS3, ES6+, and TypeScript
• Strong expertise in React, Vue, or Angular
• Experience building BFF (Backend for Frontend) using Node.js
• Familiarity with Webpack, Rollup.js, and modern CSS frameworks (e.g., Material UI, Ant Design, or Styled-Components)
• Understanding of HTTP(S) protocols and RESTful specifications

Preferred Qualifications

• Experience with GraphQL, Next.js, Redis, and RDBMS
• Experience with DevOps tools including Docker, K8s, Nginx, and CI/CD pipelines
• Knowledge of data analytics tools such as GA or GTM
• Experience with CSS animations and mobile responsive design (H5)
• Background in BDD or TDD methodologies

About the Company

Airwallex is a unified payments and financial platform for global businesses. Powered by proprietary infrastructure and software, we empower over 200,000 businesses worldwide—including Brex, Rippling, and Qantas—to manage business accounts, payments, spend management, and treasury at a global scale. Based in Melbourne with a global presence, we are building the future of global banking.