Senior C# .NET Developer (Trading Systems)
Reference Number: 234945
Posted: 15 mei 2026
Employment Type: Tijdelijk
Salary Rate: € 6000 - € 7800
Education: HBO
- Industry: Financiele instellingen
Experience: Medior
Full-time/Part-time: Fulltime
Specialisatie: Developer
Step into a high-impact engineering role at the heart of a mission-critical trading platform powering global financial markets. You will build and optimize low-latency systems where every millisecond matters,directly influencing real-time trading performance. This is a rare opportunity to combine deep technical challenges with tangible business impact.
Public Description
- Develop and maintain high-performance trading applications using C# and .NET;
- Build and integrate real-time communication solutions using FIX protocol, WebSockets, and messaging systems;
- Design and implement scalable, low-latency architectures;
- Collaborate with international teams across multiple time zones;
- Contribute to front-end components using Angular, Blazor, or React;
- Ensure system reliability through testing, monitoring, and incident management;
- Document technical flows, APIs, and trading logic clearly.
Company Description
You will be part of an international financial organization operating in a highly dynamic and technology-driven environment. The company focuses on delivering reliable, high-performance systems that support global trading operations. Collaboration, innovation, and precision are key elements of the culture, with teams distributed across multiple regions.
Job Requirements
- Experience with C# and .NET;
- Familiarity with building reliable, high-performing applications;
- Experience working with APIs and integrated systems;
- Comfortable working in a fast-paced and dynamic environment;
- Strong communication skills and ability to collaborate with international teams;
- Experience in a larger or complex IT environment.
- Knowledge of FX trading systems and FIX protocol
- Affinity with mathematical concepts or trading calculations
header-terms-cond
- All-in yearly salary up to approximately €95,000 (depending on experience);
- 12-month contract with option to extend;
- Hybrid working model (minimum 2–3 days on-site);
- International working environment with global collaboration;
- Opportunity to work on mission-critical trading systems;
- Access to professional development and knowledge sharing.
We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
