Staff Software Engineer, Technology Platform

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.

Airwallex is a rapidly growing fintech unicorn, founded in 2015 and now flourishing at the Series E financing stage. With a global footprint across Asia-Pacific, Europe, North America, and APAC, we specialize in providing diverse financial payment solutions for B2B merchants, empowering businesses to operate seamlessly anywhere, anytime.

Who We Are About the Team:

Airwallex is a pioneering fintech company breaking down financial barriers and enabling seamless global business. At its core, the Tech Platform Team drives the foundation of our technological excellence, building scalable, high-performance systems that power innovation worldwide.

• Optimizing Global Traffic - Managing north-south and east-west API Gateways for seamless external and internal interactions.

• Ensuring Fast, Reliable Connectivity - Building a robust global routing infrastructure that seamlessly balances regulatory compliance with a unified, high-performance user experience across regions.

• Enhancing Search - Powering an intelligent search platform for fast, accurate information retrieval.

• Orchestrating Notifications - Enabling efficient delivery of SMS, Email, Webhooks, and Push notifications.

• Automating Workflows - Driving seamless workflow creation, scheduling, and execution.

In this role, you will:

Be part of an elite team shaping cutting-edge infrastructure and redefining global fintech. If you thrive on solving complex challenges and building the future of technology, this is where you belong.

As a member of our team, you'll have the opportunity to:

• Build Impactful Infrastructure - Develop and refine a cutting-edge application infrastructure that eliminates common technical bottlenecks, reduces maintenance overhead for developers, and accelerates business innovation.

• Solve Complex, High - Scale Challenges - Tackle intricate, organization-wide problems by leveraging the latest technologies, including reactive programming, Temporal, vector databases, distributed systems, and advanced gateway solutions.

• Drive Strategic Technological Excellence - Conduct comprehensive evaluations of emerging solutions and guide the company's long-term architectural decisions to ensure scalability, efficiency, and global resilience.

At Tech Platform, you'll work on mission-critical systems, collaborate with top engineering talent, and leave a lasting impact on Airwallex's global growth. If you're passionate about building transformative technology at scale, this is the team for you!

What You'll Do

• Design and Build Scalable Systems
  Architect, develop, and maintain microservices in Java/Kotlin (or similar languages), ensuring our high-traffic, high-availability systems meet global user demands. Implement best practices for service-to-service communication, orchestration, and fault tolerance.
  
  Design scalable, reliable, and extensible systems for integrating with KYC verifications such as document verification, liveness verification, ID verification to support Global Expansions and maximize efficiency for automations
• Enable Data-Driven Decisions
  Collaborate with data scientists and product managers to design data pipelines, analytics platforms, and event-driven architectures.
  Ensure the data powering our Growth and Onboarding initiatives is accurate, reliable, and easily accessible.
• Collaborate and Innovate
  Work closely with cross-functional teams-Frontend, Product, Design, and Marketing-to translate business requirements into scalable backend solutions.
  
  Participate in architectural reviews, code reviews, and strategy sessions to continually elevate the quality and performance of our backend services.
  
  Define a measurable SLO for service performance. Improving operations involves optimizing processes, monitoring metrics, and ensuring alignment with SLOs to enhance reliability, efficiency, and customer satisfaction.
• Promote Security & Compliance
  Integrate secure coding practices and frameworks to protect user data and maintain global regulatory compliance.
  
  Identify potential vulnerabilities, ensure robust authentication and authorization mechanisms, and proactively address security risks.

Qualifications:

• Have a career in Software Engineering with strong capabilities in modern programming languages like Java, Python, Go or others.
• Sophisticated level knowledge with design and delivery of Enterprise Grade software with streaming data solutions like Kafka.
• 8+ years of experience in modern engineering practices focused on continuous integration and quality engineering.
• Strong computer science fundamentals, solid understanding of OOP concepts.
• Experience domain driven design and event driven architectures.