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Lanson Partners

Senior C# Engineer - Front Office

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We’re working with a leading financial services organisation looking for a Senior C#/.NET Engineer to join a front-office technology team supporting FX Options and Fixed Income.

This is a hands-on role working closely with traders, supporting and enhancing an existing business-critical trading application. The environment is fast-paced and stakeholder-heavy, so they need someone technically strong, pragmatic and comfortable operating directly with front-office users.

What you’ll be doing
  • Supporting and enhancing an existing C#/.NET trading application
  • Working closely with FX Options traders and business stakeholders
  • Delivering new features and production fixes
  • Supporting the application through an ongoing transition/decommissioning programme
  • Troubleshooting issues in a fast-paced front-office environment
  • Contributing across the full SDLC
  • Using AI-assisted development tools, including Claude, as part of day-to-day engineering
What we’re looking for
  • Strong commercial C#/.NET experience
  • Solid WPF experience
  • Experience supporting or enhancing existing desktop applications
  • Front-office, trading, markets, risk or investment banking experience
  • Strong stakeholder management skills
  • Comfortable working directly with demanding business users/traders
  • Strong debugging and production support capability
  • Git/GitHub and modern development practices
  • Experience with AI-assisted development tools desirable
The opportunity
  • 12-month contract
  • Up to $1,000/day + super
  • Sydney-based - Hybrid
  • Option to renew for another 12 months
  • Direct exposure to front-office trading teams
  • High-profile financial markets environment
Please apply now or call Matt Kirk on 0451471004.

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