Senior C++ Engineer - Real-Time, Low-Latency Systems

Luxoft; Miami (FL); On-site; USD 140,000 - 200,000; Full time

Job summary

Luxoft in Miami seeks a senior C++ engineer to design and build high performance, low latency applications processing real-time data. You will optimize from algorithms to networking and OS interactions to squeeze microseconds from every operation.

You will work across trading and infrastructure teams, write production-quality code with tests, participate in code reviews, and continuously improve engineering practices in a fast-paced environment.

Qualifications

• Strong proficiency in modern C++ (C++17/20+) and concurrent programming.
• Hands-on experience with Market Data systems.
• Solid understanding of concurrency, atomics, memory models.
• Experience building high performance, low latency systems.
• Proficient Linux systems programming (sockets, epoll, threads).
• Experience with profiling and performance analysis tools.

Responsibilities

• Design, implement, and maintain high performance C++ services handling high message rates and low latency workloads.
• Optimize existing components for latency, throughput, and CPU/memory efficiency.
• Develop and tune networking, messaging, and I/O layers to handle large data volumes reliably.
• Profile and debug performance issues at application, OS, and network levels.
• Collaborate with quantitative, trading, and infrastructure teams to translate requirements into robust technical solutions.
• Write clean, production quality code with tests and documentation.
• Participate in code reviews, design discussions, and continuous improvement of engineering practices.

Skills

C++17/20+

Market Data

Concurrency

Low latency

CS fundamentals

Linux

Profiling

Git

Build systems

Tools

CMake

Ninja

Perf

Valgrind

Flame graphs

epoll

Job description

Luxoft in Miami seeks a senior C++ engineer to design and build high performance, low latency applications processing real-time data. You will optimize from algorithms to networking and OS interactions to squeeze microseconds from every operation.

You will work across trading and infrastructure teams, write production-quality code with tests, participate in code reviews, and continuously improve engineering practices in a fast-paced environment.