C/C++ Linux Engineer || Philadelphia, PA (Onsite)

Job Title: Senior C/C++ Linux Engineer

Location:  Philadelphia, PA (Onsite)

Duration : Long Term Contract

Interview: Virtual

Visa: USC/GC/GC EAD/H4 EAD

Notes: If you submit a candidate with third party make sure the candidate is not submitted to Randstad before otherwise directly rejected.

Job Description

Randstad is seeking a highly skilled Senior C/C++ Linux Engineer to support a mission-critical modernization initiative for a client in Philadelphia, PA. This role involves upgrading legacy Linux-based desktop applications by migrating them from outdated GUI frameworks (Motif/X11) to modern solutions like Wayland and GTK/Qt. The engineer will be responsible for building high-performance, real-time software with a focus on reliability, security, and low-latency responsiveness. This position is essential to platform stability, operational continuity, and long-term technology resilience.

Key Responsibilities:

Design, develop, and maintain real-time, fault-tolerant C/C++ applications on Linux platforms
Migrate legacy GUIs from Motif/X11 to modern toolkits (GTK, Qt, EFL) using Wayland protocols
Write Bash scripts for build automation, deployment routines, and system diagnostics
Optimize application performance using multithreading, memory management, and scheduling techniques
Debug and profile applications with tools like gdb, valgrind, perf, and strace
Implement secure coding practices and support audit-readiness for critical systems
Integrate GUI applications with enterprise middleware and backend services
Configure and maintain lightweight Linux desktop environments and custom window managers
Manage source code and CI/CD workflows using Git and Bitbucket
Develop and support IPC mechanisms (sockets, shared memory, DBus) for inter-process communication
Support containerized deployments using Docker in secure environments
Document system architecture, migration plans, and operational procedures

Qualifications:

Bachelor’s degree in Computer Science, Software Engineering, or a related field (required)
10+ years of hands-on experience in C/C++ development on Linux systems
Expertise in event-driven programming and development of Linux desktop applications
Experience modernizing GUI applications from Motif/X11 to GTK, Qt, or Wayland
Proficiency in Bash scripting and build systems like Make, CMake, and Meson
Familiarity with Wayland protocols and compositor-client architecture
Experience with Git-based version control and CI/CD pipelines (Bitbucket, GitLab, etc.)
Strong understanding of Linux system internals, IPC, and GUI performance tuning
Exposure to low-level graphics APIs such as OpenGL or Vulkan (preferred)
Ability to develop custom Wayland protocols and implement IPC optimizations via shared memory (preferred)
Excellent documentation and communication skills

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