? Hiring: Senior C# Developer – Prime Brokerage

? Location: Toronto, ON

? Type: Contract

? Domain: Capital Markets / Prime Brokerage

We are looking for a Senior C#/.NET Developer with strong hands-on Prime Brokerage experience to design, develop, and support high-performance Capital Markets applications.

Mandatory Skills

• 8+ years of software development experience

• Strong hands-on C# / .NET / .NET Core development

• Strong Capital Markets experience

• Real Prime Brokerage experience is mandatory

• Experience with Prime Brokerage systems involving trade processing, margin, collateral, positions, exposures, risk, P&L; or valuations

• Strong knowledge of securities trade lifecycle

• Experience with products such as Equities, Fixed Income, FX, Futures, Options, Swaps/Derivatives

• Robust SQL Server, complex SQL and stored procedures





• REST APIs / Web APIs / backend services

• Multithreading, asynchronous processing and high-volume systems

• Strong OOP and software design skills

Preferred

ASP.NET Core, Entity Framework/LINQ, Microservices, Kafka/IBM MQ/RabbitMQ/Solace, FIX, SWIFT, securities lending/Loanet, Azure/AWS, CI/CD, Git, Jenkins or Azure DevOps.

Prime Brokerage Knowledge

Experience with several areas including:

• Securities lending / Stock Borrow & Loan

• Margin & collateral

• Client/account-level exposure

• Financing & funding

• Market/Credit risk

• Mark-to-market / P&L;

• Settlement & reconciliation

• Corporate actions

📌 C# Developer – Prime Brokerage - mississauga
🏢 MSZ Systems
📍 Mississauga