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Robert Half Logo Robert Half · IT - Software Development

Senior C++ Software Engineer

United States, Jacksonville · Job Posted February 08, 2026
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Job Description

We are looking for a Senior C++ Software Engineer to design, develop, and maintain high‑performance, reliable, and scalable software systems. In this role, you will work on complex, mission‑critical applications where performance, stability, and code quality are essential. You’ll collaborate closely with other senior engineers, architects, and product partners to drive technical direction, improve system design, and mentor junior team members.

Job Responsibility

  • Design, develop, and maintain production‑grade C++ applications with a focus on performance and reliability
  • Participate in system architecture and technical design decisions
  • Write clean, well‑tested, and maintainable code following modern C++ standards (C++14/17/20)
  • Analyze and optimize application performance, memory usage, and concurrency
  • Collaborate with cross‑functional teams to translate requirements into robust technical solutions
  • Review code, enforce best practices, and contribute to engineering standards
  • Debug complex issues across large codebases and distributed systems
  • Mentor junior engineers and provide technical guidance

Requirements

  • 5+ years of professional experience in C++ software development
  • Strong knowledge of modern C++ (C++14 or newer), including STL, smart pointers, RAII, and templates
  • Experience with multithreading, concurrency, and synchronization
  • Solid understanding of data structures, algorithms, and object‑oriented design
  • Experience developing software for Linux/Unix environments
  • Proficiency with build systems and tools (CMake, Make, GCC/Clang, gdb)
  • Strong debugging and problem‑solving skills

Nice to have

  • Experience with high‑performance or low‑latency systems (financial systems, gaming engines, networking, embedded, or real‑time platforms)
  • Familiarity with distributed systems or messaging frameworks
  • Experience integrating C++ applications with Python, Java, or other languages
  • Knowledge of CI/CD pipelines and automated testing frameworks
  • Exposure to cloud or containerized environments
  • Prior experience leading or mentoring engineers

What we offer

  • medical, vision, dental, and life and disability insurance
  • company 401(k) plan
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