C# Engineer

Senior C# Backend Developer | Trading | Philadelphia | Up to $250k Base

A leading financial institution is hiring a Senior C# Backend Developer to join a high-performing team building analytics, pricing, and risk systems within a Front Office trading environment.

This is a highly technical role working on data-intensive, performance-critical systems, partnering closely with quants and traders to deliver robust solutions across pricing, risk, and market data workflows.

What you’ll be doing

• Design and build core backend components in C# supporting pricing and analytics systems
• Work with quants and trading teams to implement and enhance financial models
• Develop systems that handle large datasets, time-series data, and complex calculations
• Improve performance, reliability, and scalability of existing infrastructure
• Contribute to architecture, code quality, and system design decisions

What they’re looking for

• Strong experience with C# / .NET in a backend or distributed systems environment
• Solid mathematical / numerical reasoning skills
• Experience building data-heavy or performance-sensitive systems
• Strong understanding of software engineering best practices (testing, CI/CD, version control)
• Ability to collaborate with both technical and business stakeholders

Nice to have

• Exposure to Fixed Income products (bonds, yield curves, cashflows)
• Experience with pricing models, market data, or risk systems
• Familiarity with Python, real-time systems, or distributed messaging (Kafka, etc.)

Compensation

• Base salary up to $250,000 + bonus

If you’re interested in working on high-impact trading systems at the core of Fixed Income markets, feel free to apply or reach out for a confidential discussion.