Senior C/C++ Linux Engineer - Real-Time & GUI Systems

Job Title: Senior C/C++ Linux Engineer

Location: Philadelphia, PA

Employment Type: Contract

About Us:

DMV IT Service LLC is a trusted IT consulting firm, established in 2020. We specialize in optimizing IT infrastructure, providing expert guidance, and supporting workforce needs with top-tier staffing services. Our expertise spans system administration, cybersecurity, networking, and IT operations. We empower our clients to achieve their technology goals with a client-focused approach that includes online training and job placements, fostering long-term IT success.

Job Purpose:

To design, modernize, and maintain C/C++ applications on Linux systems as part of a critical platform upgrade. This role focuses on replacing outdated GUI frameworks with modern alternatives, ensuring system reliability, performance, and compliance with secure development standards.

Requirements

Key Responsibilities:

• Develop, maintain, and enhance real-time, high-reliability C/C++ software for Linux environments.
• Modernize legacy desktop GUIs by transitioning from Motif/X11 to current frameworks such as GTK, Qt, or EFL using Wayland.
• Automate build and deployment tasks with Bash scripting.
• Improve application performance through multithreading, low-level memory management, and system-level scheduling techniques.
• Troubleshoot and profile applications using tools like gdb, valgrind, strace, and perf.
• Apply secure coding techniques and prepare systems for audit and compliance readiness.
• Integrate graphical interfaces with backend services and enterprise middleware.
• Manage and configure Linux desktop environments, including lightweight window managers.
• Maintain source control workflows and CI/CD pipelines using Git and Bitbucket.
• Design and support inter-process communication via sockets, DBus, and shared memory.
• Assist with containerized application deployments using Docker in secure environments.
• Create technical documentation for architecture, migration strategies, and operational guidelines.

Required Skills & Experience:

• Bachelor’s degree in Computer Science, Software Engineering, or related discipline.
• Minimum of 10 years of professional experience in C/C++ programming on Linux systems.
• In-depth knowledge of Linux application development, including event-driven and real-time programming.
• Strong experience in GUI modernization, specifically migrating from Motif/X11 to frameworks like GTK, Qt, or Wayland.
• Skilled in Bash scripting and build tools such as Make, CMake, and Meson.
• Understanding of Wayland architecture and client-compositor communication models.
• Experience with Git-based version control and automated CI/CD environments (e.g., Bitbucket, GitLab).
• Strong grasp of Linux internals, performance tuning, and IPC (sockets, shared memory, DBus).
• Excellent written and verbal communication and documentation skills.

Preferred Qualifications:

• Experience with OpenGL or Vulkan for graphics rendering.
• Familiarity with developing custom Wayland protocols and optimizing shared memory IPC.
• Background in secure software development in mission-critical or regulated environments.