Lead C# Developer (Core Trading Technology)

Location: Sydney, Australia

Company

hirify.global develops proprietary technology supporting trading decisions and financial markets operations.

What you will do

• Lead and manage a development team by setting priorities, allocating work, removing blockers, and mentoring junior and mid-level developers.
• Own the analysis, design, development, production release, and support of business-critical trading applications.
• Set technical direction and architecture standards, balancing performance, resilience, and maintainability.
• Establish engineering practices covering code quality, testing, profiling, CI/CD, and operational readiness.
• Remain hands-on with prototyping, complex multi-threading and performance issues, and critical code reviews.
• Partner with traders, quantitative researchers, and technology stakeholders to deliver reliable software and drive continuous improvement.

Requirements

• Bachelor’s degree or higher in a technical or related discipline.
• 10+ years of C# experience across server-side systems with strong multi-threading and client-side development.
• Proven experience leading or managing a development team, including mentoring junior engineers and developing talent.
• Deep knowledge of software design, object-oriented principles, profiling, performance tuning, multi-threading, and UI development on both client and server sides.
• Experience delivering complex, business-critical systems through the full software development life cycle, ideally in an Agile environment.
• Strong interpersonal and communication skills for working with traders, quantitative analysts, developers, and senior management.
• Ability to meet deadlines and make sound decisions under pressure in a fast-paced environment, with excellent attention to detail and accuracy.

Nice to have

• WPF experience.
• Experience running and deploying .NET Core applications on Linux.
• Experience with real-time applications, especially Tibco RV.
• Experience in a front-office trading or financial markets environment.

Culture & Benefits

• Flexible start date.
• Balance hands-on technical leadership with people management and stakeholder collaboration.
• Focus on raising the team’s skills, tooling, and delivery practices.