Senior IAM Backend Engineer – Global Scale (Java/Kotlin)

re-zoo-me; Singapore; Hybrid; SGD 130,000 - 190,000; Full time

Job summary

Airwallex in Singapore is seeking a Senior Software Engineer (Backend) to shape IAM and account infrastructure. You will design high-availability, cloud-native services using Java/Kotlin, and collaborate with Product, Security, and Compliance to meet global regulatory requirements. This role offers the opportunity to work with a fast-growing fintech in a global scale.

Join a team delivering secure identity solutions and scalable platforms that power thousands of businesses worldwide.

Qualifications

• Bachelor's degree or higher in Computer Science, Engineering, Information Technology, or related field.
• 5+ years of professional software engineering experience (backend focus).
• Proficiency in Java, Kotlin, Go, or Python; IAM concepts; cloud platforms; databases; security practices.

Responsibilities

• Design and maintain high-availability IAM and account infrastructure.
• Build cloud-native backend services using Java/Kotlin.
• Implement security protocols (OAuth2, OIDC, SAML) and ensure regulatory compliance.
• Collaborate with Product, Security, and Compliance to translate requirements into scalable roadmaps.

Skills

Java/Kotlin/Go/Python

IAM concepts

Cloud platforms (AWS/GCP/Azure)

Docker

Kubernetes

Databases (PostgreSQL/Cassandra/Redis)

Secure coding (OWASP)

Leadership & mentoring

Education

Bachelor's Degree or higher in CS/Engineering/IT

Tools

Docker

Kubernetes

Job description

Airwallex in Singapore is seeking a Senior Software Engineer (Backend) to shape IAM and account infrastructure. You will design high-availability, cloud-native services using Java/Kotlin, and collaborate with Product, Security, and Compliance to meet global regulatory requirements. This role offers the opportunity to work with a fast-growing fintech in a global scale.

Join a team delivering secure identity solutions and scalable platforms that power thousands of businesses worldwide.