Senior IT Engineer, Financial System

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 200,000 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 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, 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
The IT FinEng team is dedicated to building and optimizing Airwallex financial systems and processes through innovative technology solutions, ensuring seamless integration and support for our global corporate financial operations. We work closely with Finance, Operations, and Corporate IT across the business to support the systems that run our business.
What you'll do
We are seeking an IT engineer to implement the optimization of our finance systems. Responsible for the architecture and hands-on configuration of our financial infrastructure, you'll ensure it is scalable, secure, and highly efficient.
This role is based in Singapore, Sydney or Melbourne.
Responsibilities:

• System Architecture & Engineering: Lead the technical design and implementation of finance systems, focusing on ERP configuration, API integrations, and data pipeline management.
• Technical Optimization: Continuously improve system performance and reliability, automating manual finance processes and enhancing data integrity across platforms. Drive continuous improvement initiatives to enhance system performance, user experience, and process efficiency.
• Integration Management: Design, build and maintain integrations between finance systems and other internal or external platforms.
• Escalated Technical Support: Act as the highest escalation point for complex system issues, performing root cause analysis and implementing long-term technical fixes.
• Stakeholder Collaboration: Partner with the Finance team to translate business requirements into technical specifications and executable code.
• Security & Compliance: Ensure all financial systems adhere to global security standards and support audit requirements through automated logging and controls.
• Reporting and Documentation: Develop and maintain comprehensive technical documentation, including system diagrams, integration maps, and technical "how-to" guides for the broader finEng team. Being able to measure the project outcome metrics and business impact.

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 in Information Technology, Computer Science, Finance, or a related field.
• Strong technical knowledge of ERP systems and integration technologies.
• Proven ability to build integrations using APIs, middleware tools, lowcode platform or scripting languages (e.g., Python, JavaScript).
• Strong understanding of finance and procurement processes and requirements.
• Excellent problem-solving skills and the ability to troubleshoot system issues.
• Excellent communication and interpersonal skills, with the ability to work collaboratively across departments.
• Strong time management skills - able to move fast with limited data and context
• Strong understanding of business processes - finance and tax requirements in multiple jurisdictions is a bonus
• Ability to identify and address challenges proactively
• Self-motivated and able to manage technical projects from conception to deployment in a fast-paced environment.
• Ability to debate and discuss outcomes, flagging risks and problems early to varying stakeholders.
• Strong ability to manage through influence, building relationships with key people and able to influence decisions to achieve the right outcomes

Preferred qualifications:

• Relevant technical certifications (e.g., ERP certified administrator/developer).
• Experience working in a global fintech environment with multi-jurisdictional tax and compliance requirements.

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.
Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.
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.