(Senior) Software Engineer, Infrastructure_Productivity

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.
Responsibilities
As a Senior Software Engineer at Airwallex, you will join our Engineering Productivity team on a mission to turn everyday software engineers into superheroes by delivering frictionless engineering platforms. You will work in a cloud-native environment, focusing on the infrastructure and tooling that powers our global organization. You will operate with high ownership, taking initiatives from ideation to production in a fast-paced environment to improve the developer experience for hundreds of engineers.
What you will do:

• Enhance Productivity with AI: Utilize AI and machine learning tools to automate repetitive developer tasks and improve code quality and service reliability.
• Optimize CI/CD: Design and enhance pipelines to reduce build times and increase deployment frequency across global teams.
• Platform Engineering: Build and maintain scalable services including messaging platforms, observability systems, and workflow automation tools.
• Operational Excellence: Implement monitoring, alerting, and incident management practices; participate in on-call rotations and lead postmortems for P1/P2 incidents.
• Collaborate Cross-functionally: Partner with domain teams to identify bottlenecks and deliver solutions that measurably improve engineering efficiency.

Qualifications:

• A minimum of 5 years of professional software engineering experience.
• Extensive understanding of the software development lifecycle, with experience building CI/CD pipelines or developer tooling at scale.
• Proficiency in backend languages such as Python, Java, Go, Kotlin, Rust, or Node.js.
• Hands-on experience with cloud services (AWS, GCP, or Aliyun) and containerization (Kubernetes, Docker, Terraform).
• Solid understanding of messaging systems (e.g., Kafka) and high-performance microservices architecture.

Preferred Skills:

• Experience leveraging AI/ML tools or LLMs (e.g., Cursor, Copilot) to enhance developer workflows.
• Experience with observability tools such as Grafana, Prometheus, Datadog, or ELK stack.
• A data-driven approach to measuring productivity using metrics like build times or deployment frequency.

Join our team of passionate, innovative professionals as we continue to redefine financial technology for businesses worldwide. Apply now to become a Senior Software Engineer at Airwallex, and help us shape the future of global commerce.
For Senior Software engineers, we expect you to have around 6 years or at least 5 years engineering experience. You should be able to demonstrate more in - depth understanding in the complexity of projects and the design of code systems.
For SDE2 engineers, we expect you to have around 3 years or at least 2 years engineering experience. You should be able to solve problems related to coding and system design independently.
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.