Senior Software Engineer - .NET Full Stack

Commonwealth Bank (Sydney NSW, Australia) Follow 2 days ago

Full-time

Do work that matters

Step into Retail Technology as a Senior Software Engineer .NET Full Stack, building platforms that support millions of Australians through critical financial moments. In the Apply with Ease Crew, you will shape the Home Loan Origination journey end to end, delivering intuitive front‑end experiences backed by resilient, cloud native .NET services. This is engineering at true scale, where you solve complex workflows, handle high‑value transactions and design modern architectures that sit at the core of digital banking. Your work directly influences how customers navigate one of life’s biggest decisions, buying a home.

You will focus on the Settlement domain, simplifying electronic property settlements through PEXA and streamlining payments and orchestration. Leveraging AI, automation and event driven systems, you will build solutions that are faster, smarter and more reliable. You will collaborate with strong engineers and product leaders, contribute to design decisions and elevate engineering standards across the crew. This is a role with clear ownership, meaningful challenges and visible impact, where your expertise transforms complexity into seamless customer experiences.

See yourself in our team

The Apply with Ease Crew is here to make home ownership simpler and more achievable for millions of Australians. We own the Home Loan Origination journey end to end, from application capture through to settlement, with a clear mission to remove friction and create seamless digital experiences at one of life’s biggest milestones.

With a strong focus on the Settlement domain, we are transforming how properties are settled through automation of electronic settlements and modernised payment solutions. We build secure, scalable platforms that power high‑value transactions every day, where reliability and precision truly matter.

We stand for innovation with purpose, using AI and automation to continuously improve how home lending works at scale. Every enhancement helps customers move into their homes sooner and with greater confidence. This is meaningful work with real impact, delivered by a team that knows what it stands for.

We’re interested in hearing from people who

Partner seamlessly within a core trio Product, Design, Engineering to deeply understand user and business problems and co‑create high‑impact solutions.
Subject matter expertise developing in C# .NET Core backend is essential, with the ability to pivot into full‑stack development (React, Next.js, TypeScript) when required, supported by modern practices across cloud, APIs, testing, DevOps, observability, messaging and databases.
Drive technical design, architecture, and delivery while shaping engineering direction and influencing best practices across the team.
Own the full product lifecycle end to end from ideation and design through to build, testing, release, and continuous improvement.
Demonstrate strong expertise in modern development practices with excellent coding and comprehensive testing including unit, integration, and system testing.
Demonstrate expertise in leveraging AI tools, LLMs, and agentic AI to enhance products and workflows.
Stay ahead of emerging AI trends and drive their safe, practical, and creative adoption within engineering teams.
Act as a technical thought leader, influencing engineering culture, evaluating new technologies, and guiding strategic engineering decisions.
Take full accountability for quality, advocating for high standards in code, testing, and documentation while owning QA end to end.
Communicate complex technical concepts clearly to non‑technical stakeholders while mentoring peers and thriving in high‑ownership, fast‑paced environments.

Tech Skills

We don’t expect you to know everything, but experience in several of the following will set you up for success: