The Commonwealth Bank of Australia (CommBank) is inviting applications for the position of Principal Software Engineer – Institutional Lending, Pricing and ESG to join the Institutional Banking & Markets (IB&M) Technology | Corporate Lending & ESG. Institutional Banking & Markets (IB&M) Technology builds sophisticated platforms managing multi-billion-dollar corporate loans, dynamic pricing engines, and environmental, social, and governance (ESG) risk assessments. As a Principal Software Engineer, you will lead the architecture and hands-on engineering of core lending and ESG platforms, shaping cloud-native microservices on AWS.

Core Responsibilities & Technical Scope

In this position at Commonwealth Bank, your operational deliverables and core performance objectives include:

• Lending & Pricing Architecture: Architect high-performance distributed engines supporting complex corporate loan syndication, dynamic interest pricing, and credit risk evaluations.
• ESG Integration: Incorporate automated ESG data pipelines and sustainability risk scoring into corporate loan origination workflows.
• Cloud-Native Systems: Design resilient microservices architectures on AWS utilizing containerized services (ECS/EKS), serverless functions, and relational/NoSQL datastores.
• Technical Governance: Facilitate architecture reviews, mentor senior engineers, and maintain strict standards for code hygiene and automated CI/CD delivery.

Selection Criteria & Candidate Profile

CommBank evaluates candidates against demonstrated capabilities aligned with the requisition scope:

• Academic Qualifications: Not formally mandated. Extensive track record architecting complex financial or lending platforms is required.
• Core Engineering Mastery: Deep proficiency in enterprise backend technologies (.NET/C# or modern Java), microservices design, and RESTful API engineering.
• Financial Domain Knowledge: Understanding of corporate lending, commercial credit lifecycle, dynamic pricing mechanisms, or institutional banking systems.
• Cloud & DevSecOps: Hands-on experience deploying scalable cloud architectures on AWS with automated test suites and infrastructure-as-code.

Key Competencies & Technical Proficiencies

Remuneration, Flexibility & Benefits

Commonwealth Bank offers progressive remuneration packages supported by comprehensive employee benefits:

• Remuneration Structure: AU$210,000 – AU$260,000 base package + 11.5% Superannuation. (Estimated market benchmark for Principal Engineers in Institutional Banking; CommBank has not stated fixed compensation.)
• Workplace Flexibility: CommBank supports workplace flexibility, with at least half your time each month connecting in the office alongside flexible working options.
• Employee Privileges: Concessional rates on home loans, personal banking, savings, and wealth products.
• Parental & Personal Leave: Market-leading paid primary and secondary parental leave alongside personal wellbeing allowances.
• Career Pathways: Tailored internal career progression, funded certifications, and group-wide development academies.
• Community Impact: Paid volunteer leave supporting charitable and community non-profit initiatives.

About Commonwealth Bank of Australia (CommBank)

Commonwealth Bank is Australia’s leading provider of financial services, supporting over 16 million customers across retail, business, institutional, and international markets. CommBank is dedicated to fostering a supportive, diverse, and inclusive workplace that reflects the vibrant communities we serve.

Application Information & Submission

Applications for this requisition close on September 25, 2026. Suitable candidates are encouraged to submit their CV directly through the official CommBank gateway.

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