Software Engineer Java/.NET, API, AWS - Commonwealth Bank of Australia

Key Responsibilities

• Design, develop, test and deploy high‑availability microservices using Java and .NET within an AWS cloud environment.
• Architect and maintain RESTful APIs that support critical payment flows and integrate with internal and external banking systems.
• Collaborate with cross‑functional teams to define requirements, estimate effort, and deliver incremental value in an Agile setting.
• Implement CI/CD pipelines, automated testing, and monitoring to ensure rapid, reliable releases.
• Participate in code reviews, performance tuning, and security hardening of enterprise‑grade applications.

Requirements

• 5+ years of professional experience in Java and .NET development.
• Strong background in designing and consuming RESTful APIs and building microservices.
• Hands‑on experience with AWS services (EC2, Lambda, RDS, S3, CloudWatch, IAM).
• Proficiency in CI/CD tooling (Jenkins, GitHub Actions, Azure DevOps) and automated testing frameworks.
• Excellent problem‑solving skills, attention to detail, and a passion for delivering high‑quality, customer‑impacting software.