Senior Software Engineer, Infra (Cloud Security Platform)

Location: Singapore; onsite

Company

Airwallex is an AI-native financial operating system providing global payments and financial infrastructure for businesses and platform partners.

What you will do

• Own the infrastructure security roadmap and move security work from reactive issue handling to proactive engineering.
• Translate security policies into technical controls, guardrails, and infrastructure governance.
• Identify abnormal infrastructure and security issues, investigate root causes, and document learnings in technical write-ups.
• Modernise legacy infrastructure and reduce security and operational risk.
• Partner with engineering and security stakeholders to improve infrastructure security while maintaining practical delivery.

Requirements

• Strong software engineering experience with a security mindset and the ability to build secure, maintainable infrastructure solutions.
• Experience responding to infrastructure security issues and converting lessons learned into preventative controls.
• Experience designing and implementing security governance, policy enforcement, or infrastructure security controls.
• Experience improving the security, reliability, or maintainability of legacy systems.
• Ability to own work end to end, from problem identification and roadmap development through implementation, rollout, and ongoing improvement.
• Strong communication skills, including documenting security issues, explaining technical risk, and collaborating with InfoSec and engineering teams.

Nice to have

• Experience with cloud infrastructure and cloud security, particularly GCP or AWS.
• Experience with IAM, RBAC or ABAC, least-privilege access, secrets management, or zero-trust security principles.
• Experience building infrastructure tooling, security automation, policy-as-code, or preventative controls.
• Experience with Kubernetes, CI/CD security, or infrastructure observability.
• Experience in platform engineering, infrastructure, DevOps, SRE, or security engineering teams.

Culture & Benefits

• Work onsite in Singapore as part of the Infrastructure & Productivity team.
• Own outcomes and roadmaps independently, with a bias toward action and practical delivery.
• Work in an environment that values quality, accountability, curiosity, first-principles thinking, and comfort with ambiguity.
• Help build and operate core platforms including Kubernetes, Kafka, CI/CD pipelines, observability systems, cloud cost management, and security access controls.

Hiring process

• Apply through careers.airwallex.com or Airwallex's official LinkedIn page.
• Official communication will come from an @airwallex.com email address; Airwallex does not request bank details, sensitive identity numbers, or payment during recruitment.
• Unsolicited resumes from search firms or recruiters are not accepted.