Senior Software Engineer, Network Security

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.

As a vital member of the Tech Platform Team, you will be part of a specialized force that meticulously bridges the gap between business exigencies and architectural finesse. You will engage in:

• An advanced application infrastructure meticulously crafted to alleviate common challenges across the entire organization, significantly lowering maintenance costs for developers and streamlining innovation;

• Masterfully addressing intricate, organization-wide challenges through the strategic deployment of cutting-edge technologies such as reactive programming, temporal, workflow, distributed systems, and advanced gateway solutions;

• Comprehensive, organization-wide evaluations of strategic solutions.

• Our resilient, high-throughput, low-latency Notification Platform leverages Event-Driven Architecture to ensure scalable, reliable message delivery with full traceability for customers worldwide. to people or machines in a unified stack (SMS, Email, Push & webhook).

• You will collaborate with various systems and teams to evolve our platform capabilities through fast pace business transformation & providing data insights.

• Engage with engineering teams across Airwallex's global offices, fostering effective communication.

• Design, develop & maintain high volume with automated recovery pipeline by bringing cutting edge technology to overcome multi-data center complexity & making it transparent to adopters.

• Troubleshoot production issues across different levels of the stack.

• Evolve the platform to better governance and provide data driven insights to business teams.

• You’ll join a highly efficient team that operates Scheduled workflow, Search & Gateway

We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.

• More than 5 years of back-end development experience; Have experience in developing large-scale system.

• Bachelor degree or above in computer science or engineering related majors. 

• Proficient in coding and scripting languages (Java(Kotlin) /C++ /Python, etc.) with strong software design and system design abilities.

• At least 5years of experience working on Secruity domian, such as WAF tuning, bot management, DDoS protection, IP reputation, and rate limiting.

• Expereince of standardization and approval workflows for API routes across CDN and gateway layers.

• Hands-on with Cloudflare or similar (e.g. caching, Workers, geo-routing, failover).

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.