Low-Latency C++ Engineer for Trading Systems

Citadel Securities; Dublin; On-site; EUR 110,000 - 180,000; Full time

Benefits offered by this job

Relocation package

Job summary

Citadel Securities, a leading global market maker, seeks engineers to design and optimize high-performance trading systems in a fast-paced environment. You will work on latency-sensitive infrastructure and collaborate with traders and researchers to push the boundaries of what is possible in modern markets.

The role requires strong C++ expertise, a solid grasp of multithreading and distributed systems, and a proactive drive to improve systems.

Qualifications

• Proficient in high-performance C++ with attention to clean, maintainable code.
• Strong understanding of concurrency, synchronization and thread safety.
• Curious mindset and drive to improve existing systems.

Responsibilities

• Break down complex trading-related challenges and implement robust solutions.
• Design, build and scale high-performance systems that support global trading workflows.
• Push latency, reliability and throughput improvements in a distributed environment.
• Collaborate with traders, researchers, and engineers to deploy ideas into production.
• Operate, monitor and improve production systems on an ongoing basis.

Skills

C++

Multithreading

Distributed systems

Education

Bachelor’s degree in CS/Engineering or related field

Job description

Citadel Securities, a leading global market maker, seeks engineers to design and optimize high-performance trading systems in a fast-paced environment. You will work on latency-sensitive infrastructure and collaborate with traders and researchers to push the boundaries of what is possible in modern markets.

The role requires strong C++ expertise, a solid grasp of multithreading and distributed systems, and a proactive drive to improve systems.