Airwallex

Architect and build high-performance distributed infrastructure components and mentor engineers. | 5+ years building large-scale distributed systems with proficiency in Java, Kotlin, or Go and related technologies. | 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 250,000 businesses worldwide – including Brex, 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 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 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. Location: Seattle Who You Are & Role Overview The Platform Engineering team is architecting Airwallex’s next-generation foundational infrastructure. We are moving beyond standard pipelines to build a high-performance, distributed ecosystem that powers real-time AI enablement and global financial data. We aim to push the boundaries of distributed storage, stream processing, and service-layer interfaces. We are looking for "Engineers’ Engineers"—builders who enjoy diving into the internals of distributed systems, optimizing JVM performance, and implementing robust architectural patterns like Lakehouse and real-time data. In this role, you will: Architect & Build: Lead technical decision-making and custom development for core infrastructure components, extending from foundational storage to high-availability service layers. Systems Optimization: Deep-dive into performance tuning and systems internals—such as state management, checkpointing, and exactly-once semantics—to ensure millisecond-level accuracy at global scale. AI Infrastructure: Develop and integrate the "Knowledge Platform," enabling AI-driven products through scalable vector indexing, agentic workflows, and real-time data streaming. Distributed Systems at Scale: Own the full SDLC for high-performance distributed systems (batch and streaming) that process petabytes of data across 30+ global regions. Engineering Rigor: Advocate for elite software engineering practices, contributing to shared tooling, SDKs, and automation frameworks that enhance the productivity of engineering teams company-wide. Mentorship: Act as a technical beacon and mentor for mid-level engineers, driving project delivery through design reviews and technical leadership. You might be a great fit if you: Experience: Have 5+ years of experience building and operating large-scale distributed systems or infrastructure platforms. First Principles Thinking: Possess a deep understanding of computer science fundamentals, including distributed systems, memory management, and networking protocols. The "Builder" Stack: Are proficient in Java, Kotlin, or Go. You should have hands-on experience (or the desire to deep-dive) into the internals of Kafka, Flink, Spark, Kubernetes, or OLAP engines. Ownership Mindset: Have a proven track record of taking 0-1 ownership of complex technical challenges, from initial design to production stability. Curiosity & Impact: Are intrinsically motivated to explore emerging tech in AI/ML infrastructure and real-time systems to create tangible business impact. 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.

Build and implement global social impact strategies and manage corporate communications through cross-functional collaboration. | 5-10 years experience in corporate and impact contexts with strong stakeholder management and entrepreneurial skills. | 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 250,000 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 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 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 Social Impact team at Airwallex is responsible for defining and delivering the company's social impact strategy across our global footprint. We work at the intersection of business growth and social good, partnering with teams across the company to create meaningful, measurable impact in the communities where Airwallex operates. The team is early-stage and globally distributed, offering the opportunity to shape a function from the ground up while leveraging the infrastructure of an 11B+ fintech platform. What you'll do Reporting to the Director of Social Impact, the Senior Manager, Social Impact will be building and implementing Airwallex’s impact initiatives and strategy around the world. You will play a critical role in building Airwallex’s impact function globally – it is a “zero to one” role, a startup within a startup. The remit of Airwallex’s impact function can best be understood as a question: How can Airwallex - a purpose-driven business that exists to help businesses thrive - leverage its unique constellation of business assets (e.g., product, technology, data, talent, capital, brand, network) to contribute to society, while ensuring activities help support Airwallex’s long-term business objectives, whether it be strengthening brand trust, contributing to the employee value proposition, etc. A core part of the role will be leading our initiative to drive Airwallex platform adoption amongst organizations that serve the world such as social enterprises, nonprofits, and multilaterals, and thereby helping these organizations better serve the world. You will also have opportunities to lead a variety of other initiatives, and will only be bounded by your own capacity. Airwallex’s commitment to impact is underpinned by its participation in Pledge 1%, a global movement for corporate impact, where Airwallex has pledged 1% of its equity, product, profits, and time toward contributing to society. This hybrid role is based in San Francisco, CA Responsibilities: Contribute to the development of Airwallex’s social impact strategy Lead all social impact priorities in the U.S., including designing and launching a marquis U.S. impact program Lead or support a variety of global social impact priorities, which could include - driving Airwallex platform adoption amongst nonprofits and social enterprises, refining and operationalizing our ESG strategy, developing our giving strategy & fund structure, designing & launching product features to activate giving, activating our data for public good (in partnership with data science team), strengthening our high-impact volunteering programs, etc. Cultivate a robust external network globally in relevant areas and source high-impact opportunities for Airwallex to consider pursuing Work cross-functionally across the Airwallex organization - e.g., with leadership, communications / corporate affairs, marketing, commercial, product, design - to build buy-in, align priorities, and implement initiatives with quality Operate as an “entrepreneur” within Airwallex, launching, refining, and scaling high-impact initiatives Drive communications and narrative storytelling both within Airwallex and publicly on our social impact strategy & initiatives Support our President/Co-founder and Director of Social Impact on impact-related priorities as they arise Who you are We're looking for people who meet the minimum requirements for this role. The preferred qualifications are great to have, but are not mandatory. Minimum qualifications: 5+ years of experience in a rigorous business environment (e.g., management consulting, top-tier tech co) and impact environment (e.g., social impact, CSR, sustainability) Experience and comfort in both corporate/commercial and impact contexts and able to bridge the two (e.g., those who have worked at the intersection of corporate x impact, or business x government) Track record of delivering outsized results and high level of ownership Experience and comfort operating globally, including independently working in and launching new markets Demonstrated ability to develop and execute social impact strategy, including program design, stakeholder engagement, governance, and measurement Exceptional stakeholder management and communication skills, including with senior executives, board members, external partners, and nonprofit/government audiences Preferred qualifications: Experience building or scaling a social impact function from early stage (zero to one), including setting strategy, standing up programs, and growing a team Familiarity with impact measurement and reporting frameworks (e.g., ESG reporting, double materiality assessments, or equivalent) 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.

Design and implement security controls and infrastructure to protect against cybersecurity threats, perform incident response and threat hunting, and collaborate with engineering teams to improve application security. | Over 5 years of security engineering or incident response experience in tech, deep knowledge of cloud platforms and CI/CD tools, bachelor's degree or relevant certifications. | 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 2,200 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 Airwallex’s Information Security team partners closely with engineering, IT, and other stakeholders to protect our systems, data, and employees while enabling the business to move quickly. The team helps build and maintain strong security practices across the company—from secure product and infrastructure design to risk reduction, incident response, audits, and compliance—so security is built into how we operate, not treated as a blocker. Your role As a Senior Security Engineer at Airwallex, you will be a trusted member of the Information Security team and work closely with Infrastructure, Product and Engineering teams across the business. Reporting directly to the Product Security Engineering Manager, this role will see you being a critical part of Airwallex, helping to identify, protect, detect, respond and recover the organisation from cybersecurity threats. This is a dynamic and hands-on role that requires experience in designing, developing and managing infrastructure projects, processes and standards related to the security of our networks, systems and applications. What you’ll be doing Partner with other teams within Airwallex to analyse new or existing applications, software, or services and help drive security improvements. Design, develop, test, and evaluate new security controls for a rapidly growing business. Perform incident response and hunt through log sources to identify new threats. Design and implement custom detection strategies and workflows to support the incident response lifecycle. Analyse and develop integration, testing, operations, and maintenance of secure systems. Use data collected from a variety of endpoint, network and cloud tools (e.g. EDR, authentication, firewalls, network traffic logs) to analyse, identify and mitigate threats. Design, test, implement, deploy and maintain cybersecurity infrastructure projects. Investigate, analyse and respond to cybersecurity incidents within the Airwallex environment. Perform assessments of systems and networks to identify deviations in configurations and policies, identify vulnerabilities and support suitable mitigation and remediation. Conduct collection, processing, and/or geolocation of threats in order to exploit, locate, and/or track cybersecurity threats infrastructure. Perform network navigation, tactical forensic analysis, and defensive operations. Identify, collect, examine, and preserve digital forensic evidence using analytical and investigative techniques. Minimum Qualifications (must-have) 5+ years working in a security engineering or incident response role within a tech company In depth experience with at least one major cloud platform Strong knowledge of common software development tools and infrastructure, including CI/CD tooling and pipelines Comprehensive understanding of common attacker tools and techniques, how they can be detected and prevented, and ability to respond to incidents with high depth and quality of investigation Strong communication skills with the ability to explain technical security and software concepts to a non-technical audience A passion for solving the complex challenges of high-growth startups Self motivation and drive to learn new skills, or dive deeper into existing skills Highly Desired Bachelor's degree in Cybersecurity, Computer Science or similar Recognised training or cybersecurity certifications (eg OSCP, GIAC, CEH) Strong experience with Splunk and other common security monitoring tools Past DevOps/SRE experience with Kubernetes Experience with GCP or Alibaba Cloud (with or without certification) Experience with Okta, GSuite, and cloud-based VPN services Experience with Python, Java/Kotlin Published articles, journals or blogs related to cybersecurity 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.