Senior Software Engineer, Org & Identity

About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full. About the team Become an integral part of our Identity and Access Management (IAM) and Account team, where you will play a critical role in advancing our identity solutions and fortifying our account infrastructure. We are on the lookout for passionate engineers driven to work on cutting-edge projects that enhance the availability, scalability, and security of our platform. Engage in global collaboration with product managers, designers, and fellow engineers to deliver exceptional IAM solutions that safeguard businesses and optimize our account infrastructure for Airwallex's exponential growth. What you'll do As a Senior Software Engineer (Backend) on the IAM & Account Infra team, you will shape the long-term technical vision and architecture for Airwallex's identity, authentication, and core account domains. You will design and build high-availability, cloud-native products (using Java/Kotlin) that secure our platform and optimize account infrastructure for global scale. Partnering cross-functionally with Product, Security, and Compliance teams, you will translate complex regulatory demands into scalable technical roadmaps that safeguard thousands of businesses worldwide. This role is based in Singapore. Responsibilities: Strategic Leadership & Roadmap: Technical Strategy: Define the long-term technical vision and architectural strategy for Airwallex’s Identity (IAM) and account infrastructure domains. Make high-level decisions and select technology stacks that support long-term scalability. Roadmap Planning: Partner closely with Product Managers and Engineering Directors to translate business goals into a concrete technical roadmap. Prioritize initiatives based on risk, commercial value, and engineering bandwidth. Cross-Functional Alignment: Act as the technical bridge between Engineering, Legal, Compliance, and Security teams to ensure our technical roadmap aligns with global regulatory changes. Engineering & Architecture: System Design & Development: Design, develop, and maintain high-availability (HA) IAM products and account infrastructure using Java/Kotlin and cloud-native technologies. Security Engineering: Implement industry-standard security protocols (e.g., OAuth2, OIDC, SAML) to safeguard business data and ensure compliance with global financial regulations. Infrastructure Optimization: Architect and optimize scalable infrastructure solutions to support high transaction volumes and ensure system reliability. Code Quality & Excellence: Champion engineering excellence by conducting code reviews, writing automated tests, and establishing best practices for performance and security. 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: Education: Bachelor’s Degree or higher in Computer Science, Engineering, Information Technology, or a related field. Experience: 5 years of professional experience in software engineering, with a focus on ba