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Airwallex Logo Airwallex · IT - Software Development

Software Engineer, Backend_Identity & User Security

Singapore, Singapore · Job Posted February 21, 2026
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Job Description

Become an integral part of our Identity& User Security 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.

Job Responsibility

  • Define the long-term technical vision and architectural strategy for Airwallex’s Identity (IAM) and account infrastructure domains
  • Partner closely with Product Managers and Engineering Directors to translate business goals into a concrete technical roadmap
  • Act as the technical bridge between Engineering, Legal, Compliance, and Security teams to ensure our technical roadmap aligns with global regulatory changes
  • Design, develop, and maintain high-availability (HA) IAM products and account infrastructure using Java/Kotlin and cloud-native technologies
  • Implement industry-standard security protocols (e.g., OAuth2, OIDC, SAML) to safeguard business data and ensure compliance with global financial regulations
  • Architect and optimize scalable infrastructure solutions to support high transaction volumes and ensure system reliability
  • Champion engineering excellence by conducting code reviews, writing automated tests, and establishing best practices for performance and security
  • Mentor junior and senior engineers through code reviews, design docs, and career guidance
  • Establish and enforce standards for code quality, security, and system reliability

Requirements

  • Bachelor’s Degree or higher in Computer Science, Engineering, Information Technology, or a related field
  • Strong proficiency in modern programming languages such as Java, Kotlin, Go, or Python
  • Deep understanding of Identity and Access Management (IAM) concepts (Authentication, Authorization, SSO, MFA)
  • Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes)
  • Solid knowledge of relational and non-relational databases (e.g., PostgreSQL, Cassandra, Redis)
  • For Staff level: around 10 years or at least 8 years experience
  • For Senior software engineers: around 6 years or at least 5 years engineering experience
  • For SDE2 engineers: over 3 years or at least 2 years engineering experience

Nice to have

  • Demonstrated experience in mentoring engineers and leveling up team capabilities
  • Familiarity with application security best practices and secure coding standards (OWASP)
  • Experience in the Fintech, Banking, or Payments industry
  • Experience with data governance tools or privacy-enhancing technologies (PETs)
  • Experience working in a high-growth startup or unicorn environment
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