Senior Software Engineer, Org & Identity (Fintech)

Location: Singapore

Company

Airwallex provides an AI-native financial operating system and regulated infrastructure for global payments, financial operations, and embedded financial products.

What you will do

• Own the technical vision and architecture for identity and access management and account infrastructure.
• Build highly available, cloud-native IAM products and account systems using Java or Kotlin.
• Translate business and regulatory requirements into scalable technical roadmaps with Product, Security, Compliance, Legal, and Engineering.
• Design systems, review code, implement automated testing, and improve performance, reliability, and security.
• Develop identity and organization foundations covering onboarding, authentication, access control, account ownership, and organization-level workflows.

Requirements

• 5+ years of professional software engineering experience focused on backend development.
• Bachelor’s degree or higher in Computer Science, Engineering, Information Technology, or a related field.
• Strong proficiency in Java, Kotlin, Go, or Python.
• Deep knowledge of IAM concepts, including authentication, authorization, SSO, MFA, and security protocols such as OAuth2, OIDC, or SAML.
• Experience with AWS, GCP, or Azure; Docker and Kubernetes; relational and non-relational databases such as PostgreSQL, Cassandra, and Redis.
• Experience mentoring engineers, applying OWASP and secure coding practices, and designing highly available, scalable products and infrastructure.

Nice to have

• Experience in fintech, banking, or payments.
• Experience with data governance tools or privacy-enhancing technologies.
• Experience in a high-growth startup or unicorn environment.

Culture & Benefits

• Founder-level ownership, first-principles decision-making, and a focus on moving quickly with sound judgment.
• Work closely with colleagues across multiple countries and time zones, with occasional flexibility in working hours.
• Build systems for a high-growth, scaling business and contribute to a connected global organization.