C# Developer

Ashford Benjamin; Sydney; On-site; AUD 120,000 - 180,000; Full time

Job summary

Ashford Benjamin is recruiting multiple C# Software Engineers for its Sydney team. This tier-1 buyside client seeks engineers across all seniority levels to work with traders, researchers and engineers on real-time services and applications supporting trading operations.

You'll contribute to backend services and trading-facing applications, with opportunities to own features end-to-end, optimize performance and collaborate across disciplines, with no prior finance experience required.

Qualifications

• 5+ years of C# development experience.
• Understanding of object-oriented design, debugging and maintainable software.
• Exposure to multithreading or performance optimisation is advantageous.
• Degree in computer science, engineering or a related technical field.
• Interest in learning about trading technology.

Responsibilities

• Develop and enhance C#/.NET applications, from backend services to user-facing tools.
• Own features throughout the delivery lifecycle, from understanding requirements to testing and production deployment.
• Improve system performance, reliability and scalability.
• Investigate technical issues and implement sustainable solutions.
• Collaborate directly with trading, research and engineering teams.
• Strengthen development practices through automation, testing and tooling improvements.

Skills

C# development

Object-oriented design

Multithreading

Communication skills

Problem-solving

Education

Bachelor's degree in computer science, engineering or related technical field

Job description

My client, a tier-1 buyside firm, is hiring multiple C# Software Engineers across all seniority levels for its Sydney team. Engineers from tech firms are welcome—no previous finance or trading experience is required. You’ll work alongside traders, researchers and engineers to develop the services, real-time systems and applications supporting the firm’s trading business.

About the role

This opportunity brings together backend engineering and trading-facing application development. Depending on your experience and interests, you’ll contribute to platforms covering market data, trading analysis, transaction monitoring and real-time communication.

Key responsibilities

• Develop and enhance C#/.NET applications, from backend services to user-facing tools.
• Own features throughout the delivery lifecycle, from understanding requirements to testing and production deployment.
• Improve system performance, reliability and scalability.
• Investigate technical issues and implement sustainable solutions.
• Collaborate directly with trading, research and engineering teams.
• Strengthen development practices through automation, testing and tooling improvements.

What we’re looking for

• 5+ years of C# development experience with sound programming fundamentals.
• An understanding of object-oriented design, debugging and maintainable software.
• Familiarity with backend systems; exposure to multithreading or performance optimisation is advantageous.
• Strong problem-solving and communication skills.
• A degree in computer science, engineering or a related technical field.
• An interest in learning about trading technology—not prior financial industry experience.