Développeur/se C# .NET finance de marché - Services Financiers - Ile-de-France
Core
Designing low-latency, scalable solutions for FX, derivatives, rates, and commodities desks in a front office trading environment.
Role type
Senior C# .NET Core developer (financial markets)
Builds
Real-time pricing applications, market making systems, and high-performance microservices for trading desks.
Domain
Financial services / Capital markets / Low-latency trading
Deliverable
production ML models | product features
Required skills
C# (expert), .NET Core (6.0+), multithreading, memory optimization, I/O tuning, REST/gRPC APIs, microservices architecture, SQL Server, Oracle, PostgreSQL, ELK Stack, CI/CD (Jenkins, TeamCity), Docker, TDD/BDD, xUnit/NUnit
Preferred skills
Knowledge of FX Spot, Swap, Forward, Options, Money Market instruments, MiFID II, EMIR regulations, Clean Code, SOLID principles
Technologies
C#, .NET Core, ASP.NET Core, gRPC, Elasticsearch, Logstash, Kibana, Jenkins, TeamCity, Docker, GitHub, SQL Server, Oracle, PostgreSQL, xUnit, NUnit
Responsibilities
Develop and optimize C# .NET Core applications for front office pricing and market making; Design high-performance microservices and distributed architectures; Reduce latency via multithreading, async/await, and memory/I/O tuning; Integrate OMS, pricing engines, and risk management platforms; Implement real-time monitoring and analytics tools; Collaborate directly with traders and quants for functional adjustments.
Seniority
Senior, hands-on IC