Senior Site Reliability Engineer, Spend Foundations

Airwallex; Singapore; On-site; USD 90,000 - 130,000; Full time

Job summary

A leading company in financial technology is seeking a Senior Site Reliability Engineer to design and maintain scalable cloud infrastructure. The role involves leading incident response and collaborating with development teams to enhance system reliability. Ideal candidates will have extensive experience in SRE or DevOps and a strong background in cloud technologies.

Qualifications

• 6+ years in an SRE, DevOps, or infrastructure-focused engineering role.
• Expertise in cloud platforms, Kubernetes, observability, and incident response.
• Strong experience supporting production systems with high availability.

Responsibilities

• Architect and implement cloud infrastructure for new services.
• Lead incident response, observability, and automation across critical systems.
• Collaborate with central DevOps and security teams to ensure compliance.

Skills

Cloud platforms (AWS/GCP)

Kubernetes

Observability

Incident response

Reliability best practices

Education

Degree in Computer Science or a related field

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 1,700 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 Engineering team at Airwallex is a diverse group of innovators, builders, and problem solvers, driven by a mission to empower businesses to operate anywhere, anytime. We thrive in a collaborative and fast-paced environment, where we're constantly pushing the boundaries of what's possible in the financial technology space. As a team, we value technical craftsmanship, continuous learning, and a strong sense of ownership, working together to build scalable, reliable, and secure products that empower businesses of all sizes to grow without borders.

Our SRE 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 team is responsible for the availability, performance, monitoring and capacity planning of our Global services.

What you’ll do

As a Senior Site Reliability Engineer, you’ll work closely with product teams in Spend to deliver and maintain scalable, reliable cloud infrastructure in support of key product initiatives. Aligned to the roadmap, you’ll lead on infrastructure design and delivery for complex, high-risk projects such as launching new services, executing global data centre migrations, and modernising data pipelines.

This role can be based in Singapore or Melbourne.

Responsibilities:

• Architect and implement cloud infrastructure for new services and roadmap initiatives
• Embed with development teams to drive reliability, performance, and operational readiness
• Lead incident response, observability, and automation across critical systems
• Own team-level SLOs, runbooks, and DevOps performance metrics
• Collaborate with central DevOps and security teams to ensure compliance and resilience

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:

• 6+ years in an SRE, DevOps, or infrastructure-focused engineering role
• Expertise in cloud platforms (AWS/GCP), Kubernetes, observability, and incident response
• Able to lead SRE strategy for large-scale, cross-functional projects
• Strong experience supporting production systems with high availability and compliance requirements
• Proven ability to work closely with developers and guide reliability best practices
• Degree in Computer Science or a related field

Preferred qualifications:

• Experience in a fintech or similarly regulated industry
• Familiarity with data streaming, analytics pipelines, or financial data systems

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.

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.