(Senior) Frontend Engineer, FinOS/Spend

Airwallex; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A global financial technology firm based in Singapore is seeking a Frontend Engineer to define and implement technical strategies. The ideal candidate will deliver complex frontend features using React and TypeScript, collaborating closely with product managers and design teams. A minimum of 3 years experience and a Bachelor's in computer science or engineering are required. This role offers a dynamic environment to work on innovative solutions in the fintech space.

Qualifications

• Minimum of 3 years of engineering experience.
• Mastery of modern frontend web technologies.
• Demonstrated history of using a wide range of appropriate testing practices.

Responsibilities

• Deliver complex frontend features with React and TypeScript.
• Build micro Frontend web applications with domain-based design.
• Work closely with product managers to define product roadmap.

Skills

React

TypeScript

System thinking

Customer-oriented mindset

Collaboration

Education

Bachelor degree in computer science or engineering

Tools

Apollo GraphQL

Micro Frontend architecture

Job description

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 1,800 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, 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.

Attributes We Value

We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor.

You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let’s build what’s next.

About the team

A key part of Airwallex’s suite of Business Account software, the Spend team are revolutionising the way businesses manage their spend and manage bills, credit cards and expenses. This team solves complex challenges around the growing demands of data and feature complexity in credit cards, bills and and expenses, and they work at the exciting intersection of our backend infrastructure and customer facing applications, working on distributed systems that manage millions of transactions.

What you’ll do

As a Frontend Engineer, you will help define and implement our team’s technical strategy to meet an evolving set of product and engineering challenges. Our team is breaking new engineering ground and we have the opportunity to define innovative solutions for a number of challenges, paving the way for other teams to follow in our footsteps.

This role is based in Singapore.

Responsibilities

• Delivering complex frontend features with React and TypeScript, including requirements breakdown, time estimation, and active participation in team planning and discussions.
• Build micro Frontend web applications with domain-based design architecture.
• Work closely with product managers and key stakeholders to define product roadmap, prioritise projects and ship incrementally to production.
• Leverage Apollo GraphQL as the backend for frontend (BFF) to build scalable and high-performance node services with simple and contact-based integration with backend.
• Cooperate with the design team to build a design system with common components.
• Actively engage with our Frontend Guild, research cutting edge technologies, and drive initiatives to build high-quality products and clean up technical debt.
• Collaborate with cross-functional teams for operational excellence and a delightful user experience.

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

• A minimum of 3 years of engineering experience.
• Bachelor degree or above in computer science or engineering related majors.
• Mastery of modern frontend web technologies.
• Have a strong customer oriented mindset with a track record of product thinking.
• Have a strong aptitude for system thinking, writing high-quality code and documentation.
• Have a demonstrated history of using a wide range of appropriate testing practices.
• Enjoy collaborating with a diverse group of individuals, bridging gaps between different teams and areas of expertise.

Preferred qualifications

• Expertise in the Typescript and React ecosystem.
• Experience with building micro-frontends and designing modular, scalable frontend architectures using domain-based design to support product growth and complexity.
• An interest in the financial domain.
• Java, Kotlin, Shell development experience.
• Familiarity with payment processing, accounting systems, vendor invoicing, or similar fintech products, with an understanding of the domain’s technical and business needs.

Applicant Safety Policy: Fraud and Third-Party Recruiters

To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.

Equal opportunity

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.