Principal Software Engineer - Institutional Lending, Pricing and ESG

Commonwealth Bank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank in Sydney is seeking a Principal Software Engineer to lead the technical direction for Institutional Lending platforms, shaping architecture and driving modernisation across core lending systems. You will mentor engineers to deliver scalable, secure services while partnering with product, architecture, risk and business stakeholders.

You will influence lending decisions, pricing and ESG capabilities through AI-enabled engineering practices and cloud-native methods, ensuring

Qualifications

• Senior software engineer with leadership experience across multiple teams and strategic platforms.
• Experience delivering technology for financial services platforms preferred.
• Experience modernising enterprise vendor platforms and integrating SaaS solutions.
• Knowledge of LoanIQ or similar enterprise lending platforms is highly regarded.

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, resilient services across APIs and enterprise integrations.
• Collaborate with Institutional Banking to support customer outcomes.
• Champion engineering excellence including AI-enabled SDLC and DevSecOps.
• Lead modernisation initiatives to reduce legacy complexity and improve resilience.
• Build strong relationships with core platform suppliers and mentor engineers.

Skills

Java

Spring Boot

REST APIs

Microservices

Python

Next.js

React

AWS

Kubernetes

Docker

Cloud-Native Architecture

SQL

NoSQL

Data Products

Oracle

Snowflake

Event Streaming

GitHub Actions

Artifactory

Snyk

Grafana

Prometheus

PagerDuty

Agentic AI architecture

AI-enabled engineering tools

Agentic SDLC

Tools

Java

Spring Boot

REST APIs

Microservices

Python

Next.js

React

AWS

Kubernetes/EKS

Docker

SQL

NoSQL

Snowflake

GitHub Actions

Grafana

Prometheus

Job description

• 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

• 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

Principal Software Engineer – Institutional Lending Platforms

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: 25/09/2026