C# Front Office Developer

Salary: $74,000 - 92,000 per year Requirements:

• Solid C#/.NET development experience, including .NET 4.5 or later, object-oriented programming, and performance-focused development
• Knowledge of electronic trading systems and workflows
• Exposure to US Treasuries and interest rate swaps, FX Flow, or Fixed Income products, pricing, or risk
• Familiarity with Python, SQL, Git, and Agile or CI/CD practices
• React or Angular experience is a plus
• Strong problem-solving skills and comfort working in a fast-paced trading environment
• Proactive approach and ability to collaborate closely with front-office stakeholders

• Build scalable C#/.NET applications for pricing, risk, connectivity, and reporting
• Improve electronic trading workflows, performance, and usability
• Support real-time trading in close collaboration with front-office users
• Help modernize and migrate legacy components to new platforms

• Angular
• C#
• CI/CD
• Flow
• Git
• Support
• Python
• React
• SQL
• ASP.NET
• OOP

More:

We are Quanteam, the founding entity of RAINBOW PARTNERS and a consulting firm specializing in Banking, Finance, and Financial Services. Our 1,000 expert consultants represent 35 nationalities and work across 13 international offices, guided by our values of proximity, teamwork, diversity, and excellence. We are seeking a C# Developer to join the New York technology team of a leading international financial institution, supporting front-office electronic trading. The team develops and maintains high-performance platforms across US Rates, FX Flow, and Fixed Income pricing. The role is based in a dynamic, trading-floor-aligned environment driven by Agile practices, with direct interaction among traders, quants, and sales.

last updated 41 week of 2026