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.
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.
Lead engineers should expect to spend, on average, around 50% of their time managing their engineering team and 50% on actual coding.
oneZero earns **** Great Place To Work Australia CertificationTM

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 energetic team /?
s=onezero




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.
Benefits Include
● Bonus plan
● Flexible workplace, including hybrid work from home a few days per week
● Private Health Insurance
● Monthly Wellness program subscription
Required Skills
● At least 5 years of industry experience in C# / .
NET development
● At least 2 years of technical management or lead experience
● Strong experience building web applications with modern frameworks (React/TypeScript or equivalent SPA)
● Experience designing and operating cloud-native services on AWS (ECS, ALB, DynamoDB, IAM) or equivalent
● Experience with REST API design and authentication/authorisation patterns (OAuth2/OIDC, JWT)
● Solid understanding of CI/CD pipelines (GitHub Actions or similar)
● Strong understanding of Object Oriented design principles
● Excellent verbal and written communication skills
● Experience contributing to employee performance review processes
● Relevant tertiary qualification
Additional Skills
Additional experience in any of the following will be highly regarded.
● Agile methodologies and processes
● Containerisation (Docker) and infrastructure-as-code (Terraform, CloudFormation, or similar)
● Observability platforms (Datadog, Prometheus, Grafana, or similar)
● WPF / desktop application development
● Identity providers (Auth0, Okta, or similar) in a multi-tenant SaaS context
● Python scripting and automation
● Trading server administration APIs or forex/CFD brokerage operations
● Fintech, trading infrastructure, or regulated financial services
Australian Citizens & Permanent Residents may apply.

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