Senior Engineer

Job Description

Create your best future and join Mortgages Technology as a Senior Engineer.

What’s the role?

We’re looking for a Senior Full Stack Engineer to join our Mortgages Technology team on a full-time, permanent basis in Sydney. You’ll help shape the future of mortgage services by building scalable, secure, and intelligent digital experiences for customers applying for and managing home loans.

You’ll work across React-based front-end development, API engineering, and Agentic AI integration to deliver innovative solutions that transform the home loan journey. Collaboration is key – you’ll partner with product managers, designers, and data scientists to create seamless experiences while ensuring compliance with security, accessibility, and performance standards.

What do I need?

• Strong proficiency in React.js, JavaScript/TypeScript, and Node.js
• Hands-on experience with API development and microservices architecture
• Programming skills in Python and familiarity with ML libraries
• Experience building Agentic AI solutions using frameworks like LlamaIndex or LangChain
• Proven experience with CI/CD pipelines and automation tools
  
  

Why join us?

We’re obsessed with becoming our customers #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:

• Special offers on banking products and discounts from top brands, including generous employee-only mortgage rates!
• Flexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave.
• Tailored learning and development opportunities to help your grow your career within the bank.
• Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives
  
  

Create your future today

To get started, simply click on the APPLY or APPLY NOW button

We’re all about creating a supportive and inclusive community. We welcome everyone – no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.

If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the People with Disability and/or needing Accessibility Requirements page .