Job Description

one Zero Financial Systems is a global software development company with offices in the USA, UK, Singapore, and Australia. Our platform, deployed with over 200 financial entities worldwide, empowers banks, brokerages and hedge funds with cutting-edge trading technology.

one Zero's core product features a high-performance trading environment with real-time integrations with some of the world's leading banks and financial institutions.

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We are currently looking for a motivated and talented Lead Full Stack Software Engineer to join our Canberra Development team. In this role, you will lead a squad responsible for one Zero's internal operations tooling and customer-facing platforms.
You will deliver modern cloud-native web applications using React/Type Script, .NET, Auth0 authentication, and AWS infrastructure (ECS, ALB, DynamoDB), as well as observability systems that manage hundreds of trading servers across our global client base.

You will work collaboratively with a team of highly experienced developers from around the world. A financial background is not required, however, you must be able to learn new concepts quickly and apply them to system design, cloud architecture, and full-stack development.

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Lead engineers should expect to spend, on average, around 50% of their time managing their engineering team and 50% on actual coding.

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one Zero earns 2025 Great Place To Work Australia Certification™

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one Zero is proud to have been named one of Business Intelligence Group's Best Places to Work 2024:

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The Boston Globe names one Zero a Top Place to Work for 2023:

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Please see one Zero featured in e-Forex Magazine to learn more about the company and our dynamic team

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This role is a full-time position in the one Zero Canberra office.



Applicants must be based in the Canberra region or be able to relocate.

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Benefits Include:

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- Bonus plan

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- Flexible workplace, including hybrid work from home a few days per week

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- Private Health Insurance

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- Monthly Wellness program subscription

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Required Skills:

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- At least 5 years of industry experience in C# / .NET development

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- At least 2 years of technical management or lead experience

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- Strong experience building web applications with modern frameworks (React/Type Script or equivalent SPA)

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- Experience designing and operating cloud-native services on AWS (ECS, ALB, DynamoDB, IAM) or equivalent

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- Experience with REST API design and authentication/authorisation patterns (OAuth2/OIDC, JWT)

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- Solid understanding of CI/CD pipelines (Git Hub Actions or similar)

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- Robust understanding of Object Oriented design principles

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- Excellent verbal and written communication skills

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- Experience contributing to employee performance review processes

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- Relevant tertiary qualification

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Additional Skills:

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Additional experience in any of the following will be highly regarded.

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- Agile methodologies and processes

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- Containerisation (Docker) and infrastructure-as-code (Terraform, Cloud Formation, or similar)

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- Observability platforms (Datadog, Prometheus, Grafana, or similar)

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- WPF / desktop application development

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- Identity providers (Auth0, Okta, or similar) in a multi-tenant SaaS context

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- Python scripting and automation

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- Trading server administration APIs or forex/CFD brokerage operations

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- Fintech, trading infrastructure, or regulated financial services

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Australian Citizens & Permanent Residents may apply.

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📌 Lead Full Stack Software Engineer (Wollongong)
🏢 oneZero Financial Systems
📍 Wollongong