Marwen Rzig

Senior C#/.NET Developer | Software Architecture | Financial Markets | 12+ years of experience

Do you need an expert capable of developing, optimizing, or evolving a critical C#/.NET application? I can assist you in designing robust, high-performance, and maintainable solutions, with strong expertise in complex architectures, distributed systems, multithreading, APIs, and databases.

For over 12 years, I have been working with major financial players such as Neoxam, Natixis, Lyxor, and SUNGARD/FIS on applications with high volume and strict performance requirements. Notably, I designed a distributed client-server architecture for a stock market index engine, developed an advanced synchronization platform for real-time pricing calculations, and implemented scalable architectures based on Design Patterns and best development practices.

My areas of expertise:

✔ C#/.NET and C++ Development

✔ Software Architecture and Design Patterns

✔ Multithreaded and High-Performance Applications

✔ REST APIs and Windows Services

✔ SQL Server, Oracle, and Database Optimization

✔ Maintenance, Refactoring, and Modernization of Existing Applications

✔ Financial Markets, Asset Management, and Portfolio Management Tools

My goal: to deliver reliable, scalable solutions tailored to your business needs while ensuring quality, performance, and maintainability.