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Software Development Engineer in Test (QA)

oneZero Financial Systems -
Canberra ACT

Quick Apply

Job Details

Full-time

Qualifications

CI/CD
Computer Science
Test automation
Performance testing
Bachelor's degree
REST
Software development
Kaizen
Agile
Epic
AI

Full Job Description

About us:

oneZero is a global leader in multi-asset enterprise trading technology, trusted by over 200 financial institutions worldwide. With Operations across USA, UK, Singapore and Australia, we empower banks, brokerages and hedge funds with a highly customisable, ultra-low-latency platform that sits at the core of modern financial markets.

At oneZero, we don’t just build cutting-edge technology, we create an environment where exceptional people can thrive. Our culture is collaborative, high-performing and driven by real impact. It’s a place where your ideas are valued, your expertise is recognised, and your work genuinely makes a difference.

We’re proud to be consistently recognised as a top employer:

Best Places to Work — Business Intelligence Group (3 consecutive years)
2025 Great Place To Work® Australia Certified™

About the role:

Ensures that code written by developers performs as expected in terms of function, compatibility, design, and performance chiefly by developing testing programs to identify possible defects in pre-deployment software. Operates at all levels of the testing pyramid, employing knowledge of the end user business domain to validate suitability for purpose. Improves testability of application. Collaborates with engineering and product colleagues to ensure consistently high quality software. Independently can own and implement full automation test coverage at an Epic level on one’s own or can decompose the work and coordinate the work within the squad/team to completion.

Roles and Responsibilities:

Quality and Best Practices Champion

Contributes to our AI automate first approach to testing within a release

Construct automated test plans that incorporate both positive and negative scenarios

Participates in quality postmortem activities to better understand and automate escapes

Understands of each tier of the testing pyramid

Advocates for stories and epics to meet both Definition of Ready (DoR) and Definition of Done (DoD)

Identifies automation framework updates needed to support new feature automation

Innovator

Experience AI prompting and workflows using AI for test automation development

Understanding of Generative AI as it applies to QA

Work with AI-assisted code review and static analysis tooling (Copilot, CodeScene, etc.)

Able to apply client-centric and persona based testing to our TDD/test first methodology

Automated Test Developer

Designs effective automation with assisted AI to validate the intended functionality

Writes automated tests and participates in code reviews

Able to work at all levels of the test pyramid

Creates well documented maintainable automated tests

Ensures automated tests are incorporated into CI/CD pipeline and monitors test results

Investigates and resolves test discrepancies in a timely fashion

Reviews, troubleshoots and maintains existing automation

Automate and validate end to end system workflows within multiple components

Able to refactor test automation

Agile Practitioner

Demonstrates understanding of Agile principles

Able to accurately estimate stories and one’s own capacity

Applies Kaizen principles to daily work

Business Domain Expert

Has business domain experience and extends business domain through purposeful study

Understands the what and why of user workflows in functional areas of responsibility

Able to troubleshoot failure modes

Demonstrates analytical, systems thinking

Acquires subject matter expertise in application under test

Test Framework Developer

Learns our test frameworks and tooling

Follows the common coding standards used by all application and test developers

Contributes to and suggests improvements to the test framework

Able to work with multiple frameworks; REST/API, GUI, performance, ETL/big data as well as custom test solutions

Tier 3 Support Troubleshooter

Understands the production support model

Understands how production environments are deployed and configured

Contributes to production troubleshooting and use case replication

Role requirements:

Bachelor’s degree in the Hard Sciences (Computer Science, Math, Engineering preferred)
3-6 years of software development or automation development experience
Experience with CI/CD, C#, Relational Databases, performance tools and Python/JavaScript
Experience with automation frameworks and generative AI
Intellectual curiosity and demonstrated ability to learn on the fly
Finance industry experience

So, what are you waiting for? APPLY NOW!

Quick Apply

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