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# C++ Senior Developer

- **Company:** Luxoft
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Algorithmic Trading, C++ (Programming Language), Profiling, Microarchitecture, Linux, DevOps, Memory Management, GNU Debuggers, Python (Programming Language), Network Layer, Linux Kernel, Multicasting, Network Programming, Memory Leaks, System Programming, Data Logging, Multithreading, Scripting, High Performance Computing, Perf (Linux), Information Technology, Low Latency, C++14
- **Published:** July 22, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=f82fe8c968134e51

## About the Role

We are seeking a highly skilled C++ developer to join our Market Connectivity team, focused on building ultra-low latency trading systems. The ideal candidate will have deep expertise in C++, experience with exchange protocols, and a strong understanding of high-performance computing in financial markets., Must have

At least 6-12 Years of experience or more is required

Modern C++ (C++17 or later), Multithreading, high-performance, low-latency systems

Strong proficiency in modern C++ (C++17 or later) and multithreaded programming.

Deep understanding of low-level system programming, including memory management and CPU architecture.

Experience with network programming (TCP/UDP, multicast) and Linux kernel internals.

Familiarity with exchange protocols (FIX, OUCH, ITCH).

Proven track record of building high-performance, low-latency systems.

Strong debugging and profiling skills using tools like perf, gdb, Valgrind, etc.

Hands on with Linux and scripting (shell, python).

Nice to have

Exposure to exchange protocols, AI augmented devleopment (GHCP,Claude Desktop), Python, Java.

Comfortable with 3 days/ week working from Office (WFO).

Experience in financial markets, especially in market access or HFT environments.

Exposure to real-time monitoring, logging, and alerting systems.

Bachelor's or master's degree in computer science, Engineering, or related field.

## Description

Design, develop, and optimize low latency trading gateways and market access components.

Implement exchange connectivity for global markets (e.g., NSE, BSE, CME, NYSE, etc.).

Work closely with traders and business to understand latency-sensitive requirements.

Tune performance across CPU, memory, and network layers to achieve microsecond-level latency.

Maintain and enhance existing trading infrastructure with a focus on reliability and scalability.

Collaborate with DevOps and infrastructure teams to deploy and monitor systems in production.


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