Senior C++ Software Engineer - Federal Cross-Platform

Systems Plus, Inc.; Gaithersburg (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Benefits package

Bonus programs

Job summary

Systems Plus, Inc. in Gaithersburg, MD seeks a highly experienced Computer Software Engineer to design, develop, and modernize C++ applications across Linux, macOS, and Windows.

You will build with CMake, write tests, and ensure security and performance for federal systems. Ten years of professional software engineering are required, including five years in modern C++ development and multi‑platform environments.

Qualifications

• Ten years of professional software engineering experience, including five years in C++ development and modernizing legacy C/C++.
• Experience across Linux, Windows, macOS and multi‑platform environments.
• Proficiency with CMake, Git, debugging, testing, and software development tools.

Responsibilities

• Design, develop, maintain, and execute high-performance C++ code across Linux, macOS, and Windows.
• Refactor legacy code to modern C++ (C++11 or later).
• Develop and maintain build systems with CMake and perform deep system debugging.

Skills

C++ development

Legacy modernization

Cross-platform development

Code review

Performance profiling

Education

Bachelor’s degree in Computer Science

Tools

CMake

Git

Python

Shell scripting

Job description

Systems Plus, Inc. in Gaithersburg, MD seeks a highly experienced Computer Software Engineer to design, develop, and modernize C++ applications across Linux, macOS, and Windows.

You will build with CMake, write tests, and ensure security and performance for federal systems. Ten years of professional software engineering are required, including five years in modern C++ development and multi‑platform environments.