Senior Software Engineer - Security Engineering

Airwallex
San Francisco, CA

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 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.

About the team

The Airwallex Information Security Team is a high calibre and highly proactive team that work across our infrastructure, app security, Corporate IT and broader engineering functions.

What you’ll do

As a Senior Software Engineer in our Security Engineering team, you will be responsible for helping keep $100b+ in payments, 100,000s of customers, and our thousands of employees safe. You'll have the opportunity to dive deep into our security program and partner with other team members to help identify projects that can drive security impact - like building internal automation tooling, owning our terabyte-scale log pipelines, and using AI to streamline how our team operates.

We're not tied to specific projects, languages, and technology - we rely on smart people diving deep to find the best solutions to hard problems. You'll also be mentoring junior team members and continuing to grow our world-class security engineering team.

Responsibilities:

  • Lead the development of security tools and applications to improve Airwallex's security, from inception to implementation.

  • Support incident response efforts by building ad-hoc tools for threat hunting, remediation and scanners.

  • Build, monitor, and maintain underlying infrastructure, including Kubernetes clusters, serverless workloads, and ETL pipelines.

  • Sit with security engineers to identify opportunities for automation and tooling development

  • Partner with product engineering teams to drive security outcomes - such as automation for patching, and development of gateways and other services to decrease risk.

  • Mentor and help grow other Software Engineers in the security team.

Who you are

  • You have a passion for solving the complex challenges within a high-growth start-up.

  • You are self-motivated, a self starter, and able to learn new skills and dive deeper into existing skills.

Minimum qualifications:

  • Bachelor’s degree in Computer Science, Information Security, or a related field.

  • 4+ years of experience as a Software Engineer, ideally with security experience.

  • Experience with production code bases

  • Experience with at least one scripting language (e.g. Python) and one systems programming language (eg. Golang, C/C++)

  • Experience with modern cloud infrastructure, including data pipelines, serverless workloads, and Kubernetes

  • Strong understanding of information security principles, practices, and technologies.

  • Proven experience working autonomously on projects - delivering them to a high quality and on time.

  • Excellent communication and interpersonal skills, with the ability to work effectively with both technical and non-technical stakeholders.

  • Ability to dive deep to find the best solution to a problem

  • Obsessive curiosity and a willingness to ask questions, gather context, and learn

Preferred qualifications:

  • Experience working in a fintech or high-growth tech company.

  • Hands on experience with AI - specifically leveraging AI to build applications

  • Experience maintaining Linux operating systems

  • Knowledge of security principles for cloud security, application security, and regulatory compliance requirements - you'll be able to learn on the job too!

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.

Posted 2025-12-19

Recommended Jobs

Software Engineer, iOS

Sweep360
Los Angeles, CA

TL;DR — We’re building humanity’s defense layer for the AI age and are looking for a high-agency iOS Engineer to build the mobile surface where cyber-physical security meets the real world. If y…

View Details
Posted 2026-01-10

Account Coordinator

fastexact
Los Angeles, CA

Fast Exact is your one stop solution for all your transportation and shipping requirements. We have more than 30 years of experience providing fast and exact transportation solutions with on-time and…

View Details
Posted 2025-09-11

Senior Data Scientist - Semi Conductor

Tiger Analytics
San Francisco, CA

Tiger Analytics is looking for experienced Senior Data Scientists to join our fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning a…

View Details
Posted 2025-11-25

Test Engineer-Electric Motor Dynamometer

Edag Inc
Long Beach, CA

Description Who we are: The EDAG Group is a globally leading, independent engineering services provider that combines excellent engineering with the latest technology trends. With a global net…

View Details
Posted 2025-11-25

Senior Software Engineer Frontend (React /WebGL)

Vizcom
San Francisco, CA

Why Vizcom Our mission is to reshape design by streamlining the path from concept to creation, bringing more impactful ideas into the physical world. We’re well-funded (Series B $51m to date), gr…

View Details
Posted 2026-01-07

Data Scientist 4

Lam Research
Fremont, CA

Analyze large, complex datasets from diverse sources to uncover insights and identify opportunities for innovation. Design, build, and deploy robust machine learning models with meaningful uncertainty…

View Details
Posted 2025-12-25

Line Cook / Prep Cook

Asian Box - San Francisco
San Francisco, CA

Description Prep, prepare, and assemble food according to menu specifications while keeping work areas clean and maintained and stocked throughout shift hours. Salary: $18/hr plus tips Line …

View Details
Posted 2025-07-31

Software Engineer, Lending Products

Parafin
San Francisco, CA

About Us: At Parafin, we’re on a mission to grow small businesses. Small businesses are the backbone of our economy, but traditional banks often don’t have their backs. We build tech that makes…

View Details
Posted 2025-11-28

Accounts Payable Coordinator

Spring Fertility
San Francisco, CA

Who is Spring Fertility?   We’re a passionate, dedicated team of leading physicians and scientists who came from some of the best research hospitals and fertility centers around the world to beco…

View Details
Posted 2025-11-25

Senior Accountant

Mina Group
Paradise, CA

Senior Accountant We are looking for a Senior Accountant to oversee and manage the accounting functions for all owned and fully managed restaurant locations. Responsibilities include the production …

View Details
Posted 2025-11-28