Software Engineer - Data & Integration

Company: Westpac Group

Location: Sydney, New South Wales, Australia

Work arrangement: Hybrid

Employment type: Full-time

Experience: 2-5 years

Posted: 2026-11-11

Responsibilities

The role involves building, enhancing, and supporting Java services and data integrations within the Financial Markets technology team. You will own the interconnectivity between platforms to ensure reliable trade event flow and support analytics services.

Requirements

Candidates must have at least 4 years of software engineering experience, including 3 years of Python and SQL expertise. Proficiency in Kafka, automated testing, and modern web technologies like React is also required.

Skills

  • Java
  • Python
  • SQL
  • MongoDB
  • Kafka
  • Avro
  • JUnit
  • Cucumber
  • React
  • JavaScript
  • TypeScript
  • Snowflake
  • Dbt
  • Snowpark
  • Data engineering
  • Distributed systems

Benefits

  • Banking product discounts
  • Mortgage rate discounts
  • Flexible work arrangements
  • Culture leave
  • Lifestyle leave
  • Wellbeing leave
  • Learning and development opportunities
  • Volunteering initiatives

About this role

Create your best future and join Westpac as a Software Engineer.

What’s the role?

This role sits within Connected Markets in Westpac Financial Markets technology,
helping deliver our 2030 strategy by strengthening enterprise capabilities and
enabling interoperability across the Velocity CTT Train and Financial Markets.
The FM Trade, Position & Analytics squad builds and supports the services that
capture, enrich and distribute trade and position data, and the analytics built
on top of it. You’ll work closely with the Velocity squad and own the CTT and FM
interconnectivity, making sure trade events flow reliably between Financial
Markets platforms and downstream consumers.

This role can be based in Sydney (preferred) on Warrane, Gadigal Country, or in
Brisbane on Meanjin, Turrbal and Jagera Country, offered as a full time,
permanent position with a hybrid way of working.

We’re looking for an Engineer who is hands on with building, enhancing and
supporting Java services and data integrations, and who can logically reason
through and debug issues across distributed systems.

What do I need?

Essential:

* 4+ years’ software engineering experience, including 3+ years’ Python for
data engineering, analytics or automation.
* 3+ years’ SQL on relational databases or MongoDB including data modelling,
indexing, performance tuning and supporting high-volume operational
workloads.
* 2+ years’ Kafka/Avro event-driven integration.
* 2+ years’ automated testing (e.g. JUnit, Cucumber).
* 1+ year React and modern JavaScript/TypeScript, building and supporting
enterprise web applications and user interfaces.
* 1+ year Snowflake/dbt/Snowpark, building data pipelines and analytical
models.
* Strong troubleshooting and problem-solving skills, with clear and effective
communication.

Desirable:

* 1+ years’ Java building and supporting enterprise services.
* Prior experience delivering solutions within Capital Markets.
* Exposure to SecDevOps practices, including automated build and deployment
pipelines, code scanning and secrets management.
* Experience using AI-assisted coding tools to improve development efficiency
and code consistency.
* Experience working in Agile delivery environments, using tools such as JIRA
and Confluence.

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 more
information and contact details on our FAQs and how to contact us page
[https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.westpac.com.au%2Fabout-westpac%2Fcareers%2Ffaq-contact-us%2F&data=05%7C02%7Cdakotah.bishop%40westpac.com.au%7Cd15ccf34ab1e42eba8b108de7044f492%7C57c64fd466ca49f5ab382e67ef58e724%7C0%7C0%7C639071638622937325%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=CVu4NaILh3E9bnppTkmFikGV3MAwuAh5JuFwMi%2FFj5o%3D&reserved=0],
under the ‘Diversity, sustainability and flexibility’ section.

We may close this job advertisement earlier than the advertised closing date if
suitable candidates are identified. We encourage you to apply as soon as
possible.

#LI - Hybrid. 

About Westpac Group

Financial Services · 10,001+ employees · headquartered in Sydney, New South Wales

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