Senior Software Engineer - Security Engineering

Airwallex, a leading global payments and financial platform valued at US$5.6 billion, is seeking a Senior Software Engineer for their Security Engineering team. This role offers the unique opportunity to protect over $100b+ in payments and 100,000+ customers while working with cutting-edge technology.

The position involves leading security tool development, building automation systems, and managing large-scale log pipelines. You'll be part of a high-caliber Information Security Team that works across infrastructure, app security, Corporate IT, and broader engineering functions. The role offers the flexibility to work from Sydney, Melbourne, or Singapore in a hybrid setting.

As a senior team member, you'll have the freedom to explore and implement the best solutions to complex security challenges, using various technologies including AI, cloud infrastructure, and modern development tools. You'll be responsible for mentoring junior team members and contributing to building a world-class security engineering team.

The ideal candidate brings 4+ years of software engineering experience, strong security fundamentals, and expertise in both scripting and systems programming languages. Experience with cloud infrastructure, Kubernetes, and security principles is essential. You'll be joining a company backed by world-leading investors like Sequoia and Salesforce Ventures, working alongside 1,500+ innovative professionals across 20+ global offices.

This role offers the opportunity to work on meaningful projects that directly impact the security of a major fintech platform, with the chance to grow professionally while protecting critical financial infrastructure. The position combines technical challenges with leadership opportunities, making it ideal for engineers passionate about security and scaling impact.