Senior Software Engineer, Backend Identity and User Security

AIRWALLEX (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading financial technology company based in Singapore is seeking a skilled IAM Engineer to enhance their identity solutions and account infrastructure. The ideal candidate will have over 5 years of experience in software engineering focusing on backend development. Roles include defining technical strategies, developing high-availability IAM products, and collaborating across teams to ensure compliance and security. Proficiency in Java and cloud technologies is essential for this role.

Qualifications

• Bachelor’s Degree or higher in Computer Science, Engineering, or related field.
• 5+ years professional experience in software engineering focusing on backend development.
• Strong proficiency in Java, Kotlin, Go, or Python.

Responsibilities

• Define technical vision and architectural strategy for IAM and account infrastructure.
• Partner with Product Managers to translate business goals into a technical roadmap.
• Design and maintain high-availability IAM products using cloud technologies.

Skills

Java

Kotlin

Go

Python

IAM concepts

AWS

GCP

Azure

Docker

Kubernetes

PostgreSQL

Cassandra

Redis

OWASP

Education

Bachelor's Degree in Computer Science

Bachelor's Degree in Engineering

Bachelor's Degree in Information Technology

Job description

The Opportunity

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

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

1. Education: Bachelor’s Degree or higher in Computer Science, Engineering, Information Technology, or a related field.
2. Experience: 5 years or at least 4 years of professional experience in software engineering, with a focus on backend development.
3. Technical Proficiency:
   • 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).
   • Security Knowledge: Familiarity with application security best practices and secure coding standards (OWASP).

Preferred Qualifications (Good to have)

• 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.