Principal Software Engineer

BranchFactor; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank is seeking a Principal Software Engineer for Institutional Lending Platforms to lead technical direction and drive modernisation across Lending, Pricing and ESG platforms. You will shape engineering strategy, collaborate with product, architecture, risk and business stakeholders, and deliver scalable, secure systems that underpin lending operations.

You will mentor engineers, promote AI-enabled engineering practices, and build resilient services, while partnering with

Qualifications

• Experience delivering technology for lending, capital markets or financial services platforms.
• Ability to lead architectural direction across multiple platforms.
• Experience modernising and integrating enterprise vendor platforms.

Responsibilities

• Lead the technical direction for strategic Lending, Pricing and ESG platforms.
• Provide architectural leadership across core Lending platforms and integration ecosystem.
• Design scalable, secure and resilient services across APIs, backend platforms and enterprise integrations.
• Mentor senior engineers and uplift engineering capability across the crew.
• Lead modernisation initiatives to simplify legacy tech and improve resilience.

Skills

Java

Spring Boot

REST APIs

Microservices

Python

Next.js

React

AWS

Kubernetes

Docker

SQL

NoSQL

Data streaming

AI-enabled SDLC

Observability

Tools

LoanIQ

GitHub Actions

Snyk

Job description

Principal Software Engineer – Institutional Lending Platforms

• You are collaborative and enjoy solving analytical problems to help our team to reach highest potential
• We are a team of big thinkers who are engineering the future of banking
• Together we will build tomorrow’s bank today, using world-leading technology and innovation

Next.js | React | Node.js | Java | Python | AWS | SQL

Do work that matters

As a Principal Software Engineer in the Lending, Pricing & ESG Crew, you will provide technical leadership across the strategic platforms that underpin Institutional Lending, Pricing and ESG capabilities. You will play a key role in shaping the engineering direction for core Lending platforms and supporting services, driving platform modernisation, AI-enabled engineering practices and resilient, scalable solutions that support the bank's lending operations.

You will bring deep technical expertise, strategic thinking and engineering leadership to help teams deliver high-quality technology safely at scale while partnering with Product, Architecture, Risk and business stakeholders to deliver meaningful outcomes.

See yourself in our team

The Lending, Pricing & ESG Crew delivers and supports technology that enables the end-to-end lifecycle of Institutional Lending. Our platforms support loan origination, pricing, servicing, amendments, settlements and ongoing portfolio management while integrating with enterprise customer, finance, risk and regulatory systems.
The crew is responsible for the strategic evolution and operational excellence of platforms including LoanIQ and DPX, while building modern integration services and automation capabilities that simplify lending processes and improve banker and customer experiences.
Reporting to the Crew Tech Lead - Institutional Lending, Pricing and ESG, you'll work alongside architects, engineers, product managers and business stakeholders to modernise critical lending technology using cloud-native engineering practices and AI-assisted software development.

In this role, you will:

• Lead the technical direction for strategic Lending, Pricing and ESG platforms.
• Provide architectural leadership across core Lending platforms and the surrounding integration ecosystem.
• Design scalable, secure and resilient services across APIs, backend platforms and enterprise integrations.
• Work closely with the Institutional Banking business to ensure the technology we deliver supports their customer outcomes
• Champion engineering excellence including AI-enabled SDLC, DevSecOps, observability, quality engineering and automation.
• Lead modernisation initiatives that simplify legacy technology and improve operational resilience.
• Build strong working relationships with the suppliers of our core platforms
• Mentor senior engineers and uplift engineering capability across the crew.

Together, we will build technology that supports lending decisions, pricing strategies and ESG outcomes while improving operational efficiency, regulatory compliance and customer experience.

We're interested in hearing from people who have

• Software engineering with technical leadership and coaching across multiple teams and strategic platforms.
• Experience delivering technology for lending, capital markets or financial services platforms.
• Experience modernising and integrating enterprise vendor platforms, including Commercial Off-the-Shelf (COTS) and Software-as-a-Service (SaaS) solutions.
• Experience with LoanIQ or comparable enterprise lending platforms is highly regarded.
• Strong understanding of enterprise integration, operational resilience and regulated environments.
• Excellent stakeholder management and communication skills.
• Passion for mentoring engineers and adopting AI-enabled engineering practices.

Technical skills

We do not expect you to know everything, but experience across several of the following areas will set you up for success.

• Engineering: Java, Spring Boot, REST APIs, Microservices, Python,Next.js, React
• Cloud & Platforms: AWS, Kubernetes/EKS, Docker, Cloud-Native Architecture
• Data & Streaming: SQL, NoSQL, Data Products, Oracle, Snowflake, Event Streaming
• DevOps & CI/CD: GitHub Actions, Artifactory, Snyk
• Observability: Grafana, Prometheus, PagerDuty
• AI:Agentic AI architecture, AI-enabled engineering tools and Agentic SDLC

Working with us

Whether you're passionate about customer service, driven by data, or inspired by creativity, a career with us gives you the opportunity to do meaningful work at scale.

Our people bring diverse backgrounds, experiences and perspectives to build a respectful, inclusive and flexible workplace. We are looking for people who live our values of Care, Courage and Commitment.

If you are ready to help shape the future of Institutional lending technology at Commonwealth Bank, we would love to hear from you.

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Advertising End Date: 14/08/2026