Backend Developer (C#)

Location: Tel Aviv (Hybrid – 4 days working from home)

Working days: Monday–Friday

FMR develops end-to-end technological solutions for a wide range of organizations in the Israeli capital markets, including comprehensive systems, custom software, and unique financial models.

We are looking for a Backend Developer to join a leading technology division in the financial trading domain.

This is an opportunity to take part in building next-generation trading engines from scratch, as part of a strategic transition from legacy systems to the next generation of trading infrastructure.

In this role, you will collaborate with additional technology teams (S400 and Windows teams) and work on high-performance, mission-critical systems, using advanced technologies in on-premise environments.

Responsibilities:

• Develop advanced Backend components as part of complex trading engines
• Rebuild and modernize core infrastructure and supporting services
• Work with Microservices architecture and distributed solutions
• Optimize performance, memory management, concurrency, and networking
• Collaborate with professional teams in an Agile development environment

Requirements

• 2-4 years of software development experience, focusing on Backend systems and services
• Strong proficiency in C# and solid understanding of .NET Framework and .NET Runtime
• Experience working with servers, algorithms, core infrastructure, processing engines, multithreading/multiprocessing, optimization, OOD, networking, and distributed systems
• Familiarity with the Windows operating system (resource management, processes, memory, etc.)
• Experience with Microservices, REST APIs, OpenAPI, and distributed systems – a significant advantage
• Knowledge of additional languages such as C++, Python, or Java – an advantage
• Strong system thinking, learning ability, and independence
• Experience working in an Agile environment

Why join us?

At FMR, you’ll have the opportunity to work on real financial trading infrastructure while learning and gaining deep exposure to the capital markets industry. We offer a flexible and hybrid work environment (4 days from home), a collaborative engineering culture, and a dog-friendly office 🐶.