Sydney, Australia On-site Full-time

Optiver is hiring a C# Software Engineer

Responsibilities

  • Design, build, and maintain high-performance Windows desktop applications using C# and modern .NET
  • Develop intuitive, responsive UIs for real-time and complex data visualisation
  • Collaborate with traders, researchers, and engineers to translate requirements into effective tools
  • Own features end-to-end, from design through to deployment and monitoring
  • Ensure performance and reliability through strong architecture, async programming, and optimisation
  • Diagnose and resolve issues related to performance, threading, and memory
  • Contribute to shared UI components, frameworks, and engineering best practices
  • Continuously improve usability, workflows, and overall user experience

Requirements

  • Strong proficiency in C# and .NET, with 3+ years’ experience building production desktop applications
  • Experience developing responsive, high-performance UIs using WPF, WinForms, XAML, or similar
  • Solid understanding of MVVM (or similar patterns), UI architecture, asynchronous programming, and threading
  • Experience debugging, profiling, and optimising desktop applications (e.g. memory usage, concurrency, rendering performance)
  • A strong problem-solving mindset with a focus on performance, scalability, and reliability
  • Ability to work independently, lead projects, and prioritise effectively
  • Strong communication skills across both technical and non-technical audiences
  • A Bachelor’s or Master’s degree in Computer Science or a related field

Benefits

  • A performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool, fostering a truly collaborative environment
  • The chance to work alongside diverse and intelligent peers in a rewarding environment
  • Training, mentorship and personal development opportunities
  • Daily breakfast, lunch and an in-house barista
  • Gym membership plus weekly in-house chair massages
  • Regular social events, including a company trip every two years
  • Guided relocation, a competitive relocation package and visa sponsorship where necessary

Work Arrangement

On-site — Sydney

Additional Information

  • Guided relocation, a competitive relocation package and visa sponsorship where necessary

Visa sponsorship available

Required Skills
C#.NET
About company
Optiver
Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.
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Job Details
Department Technology
Category frontend
Posted 3 months ago