Job Description
oneZero 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. oneZero'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 oneZero's internal operations tooling and customer-facing platforms. You will deliver modern cloud-native web applications using React/TypeScript, .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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oneZero earns **** Great Place To Work Australia CertificationTM
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oneZero is proud to have been named one of Business Intelligence Group's Best Places to Work ****:
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The Boston Globe names oneZero a Top Place to Work for ****:
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Please see oneZero 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 oneZero 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/TypeScript 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 (GitHub Actions or similar)
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● Solid 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, CloudFormation, 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 (Bundaberg Central)
🏢 oneZero Financial Systems
📍 Bundaberg Central