Senior Software Engineer (Frontend), Identity & User Security

About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full. About the team Become an integral part of our Identity and User Security team, where you will play a critical role in advancing our identity solutions and fortifying our account infrastructure, creating the secure, seamless, and intuitive interfaces that our global customers use to manage their identities and business accounts. What you'll do We are looking for passionate engineers driven to work on cutting-edge projects that enhance the security, accessibility, and user experience of our platform. You will collaborate globally with product managers, designers, and backend engineers to deliver exceptional Identity and Account solutions that safeguard businesses and optimize our infrastructure for Airwallex's exponential growth. This role is based in Singapore. Responsibilities: Build high-quality products using latest versions of React and TypeScript Build micro-frontend web applications using domain-based design and Single SPA frameworks to ensure seamless integration. Leverage Apollo GraphQL as a Backend-for-Frontend (BFF) to build scalable and high-performance node service with simple and contact-based integration with backend. Partner with the design team to build our design system and common component libraries, benchmarking against industry standards like Material UI and Ant Design. Deliver NPM packages and library widgets with open source project to facilitate easy client integration. Leverage GCP, Aliyun K8S / Bucket CDN, and Cloudflare to deploy micro-frontends and Node.js services using GitLab CI/CD best practices. Adopt React Testing Library, Cypress, and Test Render to design high-quality unit test and e2e test with 80%+ coverage. Build no-code/serverless CMS systems for corporate and branding pages using Contentful and Next.js. Actively engage with the Frontend Guild, research cutting-edge technologies, and drive initiatives to build high-quality products and reduce technical debt. Who you are We’re looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. Minimum qualifications: Bachelor’s degree or above in Computer Science or a related engineering major. 5+ years of frontend development experience, including 2+ years specifically in frontend architecture. Have experience developing large-scale financial web systems. Proficient in HTML5, CSS3, ECMAScript 6+, and TypeScript. Proficient in React, VUE, Angular and corresponding technology stack. Strong knowledge of HTTP(s) protocols, RESTful specifications, and build tools like Webpack, Polyfull, Rollup.js. Expertise in Styled-Components, Emotion, or SCSS and frameworks like Material UI or Ant Design. Have experience building Backend-for-Frontend layers using Node.js. Preferred qualifications: Skilled in Modern Technologies: You have a strong background in software development with expertise in React, TypeScript, Node.js, and modern architectural patterns such as micro frontends and GraphQL. Innovative and Curious: You possess a r