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 2025 Great Place To Work Australia Certification™
https://www.onezero.com/awards/onezero-earns-2025-great-place-to-work-australia-certification
oneZero is proud to have been named one of Business Intelligence Group's Best Places to Work 2024:
https://www.onezero.com/homepage/onezero-2024-best-place-to-work-for-third-year/
The Boston Globe names oneZero a Top Place to Work for 2023:
https://www.onezero.com/homepage/the-boston-globe-names-onezero-a-top-place-to-work-for-second-year-in-a-row/
Please see oneZero featured in e-Forex Magazine to learn more about the company and our dynamic team https://e-forex.net/?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.
Skills Required
- At least 5 years 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
- Applicants must be based in the Canberra region or be able to relocate
- 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
- Experience in fintech, trading infrastructure, or regulated financial services
What We Do
oneZero develops multi-asset class trading technology, which empowers financial institutions and brokers to compete in today’s ever-changing global markets. Our powerful software solutions serve all your trading needs, delivering the highest reliability, scalability and high-performance trading technology. oneZero was founded in 2009 by technology experts Andrew Ralich and Jesse Johnson in Cambridge, MA. We have been liquidity neutral and independent ever since. Our technology handles $100B+ ADV, 6M+ transactions/day, and billions of quotes/day. We have 100+ global employees delivering superior results for 200+ customers from development and operations centers in Asia, Australia, Europe, North America and the United Kingdom. oneZero is backed by a top-tier growth private equity firm, Lovell Minnick Partners.
