Senior C++ Workstation Developer, Philadelphia

Senior Linux C/C++ Workstation Developer

Location: Onsite– Philadelphia, PA Work Hours: Between 7:00 AM and 6:00 PM EST (Standard 8 hours Shift) Position Overview: We are seeking a highly skilled Senior Linux Developer with deep expertise in C/C++ development for desktop environments. This role supports modernization and maintenance of mission-critical applications, including migration from legacy GUI frameworks to modern Linux display protocols. The developer will contribute to real-time processing, fault-tolerant systems, and secure, scalable software solutions.Key Responsibilities: Design and maintain real-time, fault-tolerant desktop applications using C/C++ on Linux. Migrate legacy GUI applications from Motif/X11 to modern protocols like Wayland using GTK, Qt, or EFL. Develop Bash scripts for automation of builds, deployments, and diagnostics. Optimize performance using multithreading, memory management, and low-latency techniques.Debug and profile applications using gdb, valgrind, perf, and strace. Implement secure coding practices and support audit-readiness. Integrate GUI applications with enterprise platforms and middleware. Configure lightweight desktop environments and custom window managers. Manage source code using Bitbucket, Git, and CI/CD pipelines.Develop IPC mechanisms (sockets, shared memory, DBus) for inter-process communication. Document architecture, migration strategies, and operational procedures. Support containerized deployment using Docker. Deliverables: High-performance compiled binaries and executables for Linux systems. Source code repositories with structured C/C++ code and version control.Bash scripts for automation and integration. GUI components migrated to modern toolkits. Documentation including API references, migration plans, and user manuals. Test suites for unit, integration, and performance testing. CI/CD pipeline configurations. Accessibility features and compliance support.Legacy code refactoring reports. Required Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field. Minimum 10 years of hands-on C/C++ development experience on Linux. Proficiency in Bash scripting and legacy GUI frameworks (Motif, X11, MWM). Experience with Wayland, GTK, Qt, and EFL.Familiarity with Bitbucket, Git, CI/CD, and build systems (CMake, Make). Strong debugging and profiling skills. Knowledge of Linux internals, IPC, and performance tuning. Excellent documentation and communication skills. Preferred Qualifications: Deep knowledge of Linux kernel scheduling for deterministic latency.Experience writing custom Wayland protocols and compositor extensions. Expertise in Zero-Copy IPC using shared memory for performance optimization. Additional Information: This is an onsite role based in Philadelphia, PA. Candidates may be required to attend offsite software installations. The position supports a capital and reimbursable project under a technology refresh initiative.Lumen Solutions Group Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.