Senior/staff) Frontend Engineer, Billing

**About Airwallex**:
Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.

Proudly founded in Melbourne, we have a team of over 1,700 of the brightest and most innovative people in tech across more than 37 locations around the globe. Valued at US$5.6 billion and backed by world-leading investors including Sequoia, Lone Pine, Greenoaks, DST Global, Salesforce Ventures and Mastercard, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.

**About the team**:
The Billing Team at Airwallex is at the forefront of transforming how businesses handle pricing, billing, and invoicing. Our mission is to create a seamless, scalable, and transparent billing platform that not only supports Airwallex's growth but also empowers our customers to easily manage their billing needs.

Our team is dedicated to developing a next-generation billing platform designed to offer flexible pricing strategies and intuitive invoicing solutions. This platform aims to be a cornerstone for businesses, enabling them to bill and get paid effortlessly. By integrating cutting-edge technology, we ensure that our solutions are easy to adopt and integrate, providing a robust billing experience for all users.

The engineering team spans across Shanghai and Singapore, offering the chance to collaborate with cross-functional teams around the world. Engage with various domains such as GTPN, PA, Scale, Issuing, and Spend to automate end-to-end pricing and billing processes. The work here is impactful, contributing to building a platform that empowers businesses globally, making a tangible difference in their operations.

**What you’ll do**:
We envision a future where our billing platform not only supports Airwallex internally but also serves as an easy-to-integrate product for our customers. By joining our team, you play a crucial role in realizing this vision, working alongside talented professionals to deliver business-critical features and solutions. Together, we will build the next-gen billing solution that empowers businesses worldwide.

This role is based in Shanghai, China or Singapore.

**Responsibilities**:
1. Coding with the latest version of React and Typescript to build high-quality products

3. Leverage Apollo GraphQL as the backend for frontend(BFF) to build scalable and high-performance node service with simple and contact-based integration with backend

4. Cooperate with the design team to build a design system and common components, provide universal UI / UX experience across different domain teams, benchmark material-ui and ant design

5. Deliver NPM package and library widgets with open source project to easy client integration

6. Leverage GCP & Aliyun K8S / Bucket CDN and Cloudflare to deploy micro FE and node.js service with GitLab CICD best practices

7. Adopt React testing library/test render / cypress to design high-quality unit test and e2e test with 80%+ coverage

8. Using contentful and next.js to build nocode / serverless CMS system for corpsite & branding landing pages

9. Actively engage with frontend guild, research cutting edge technologies, and drive initiatives to build high-quality products and clean up techdebts

**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**:
1. More than 3 years of front-end development experience and more than 2 years of front-end architecture experience;
2. Have experience in developing large-scale financial web systems;
3. Computer or related major, bachelor degree or above;
4. Fluent in English;
5. Proficient in HTML5 / CSS3 / ECMAScript 6 + / TypeScript;
6. Proficient in React, VUE, Angular and corresponding technology stack;
7. Emotion, Styled-Component, SCSS;
8. Familiar with Material UI, Ant Design, Bootstrap 3 or other CSS frameworks;
9. Familiar with HTTP (s) protocol and RESTful specifications;
10. Webpack, Polyfill, Rollup.js.

11. Familiar with building BFF using node.js

**Preferred qualifications**:
1. Front-end framework development experience;
2. Held front-end technical works, well-known blogs, public accounts, etc.;
3. Overseas study and work experience;
4. GraphQL, NextJS, Redis, RDBMS experience;
5. Tracking, Data Analytics experience such as GA, GTM;
6. CSS Animation, Zeplin, Abstract, H5 (Mobile Responsive), UI / VI experience;
7. BDD, TDD, CI / CD, Docker, K8S, Nginx, and other DevOps related experience;
8. Java, Kotlin, Shell development experie