Idexcel · 10 hours ago
Senior Linux Developer
Philadelphia, PA
Contract
Hybrid
Senior Level, Lead/Staff
10+ years expIdexcel is seeking a Senior Linux Developer responsible for engineering reliable, performant, and secure software solutions on Linux platforms. The role involves supporting both legacy systems and modern applications, focusing on desktop environments and real-time processing while ensuring compliance and scalability goals.
Cloud ComputingInformation TechnologySoftware
Hiring Manager
Chandra S
Responsibilities
Design, develop, and maintain real-time, fault-tolerant desktop applications using C and C++ on Linux platforms
Migrate legacy GUI applications from Motif/X11 environments to modern Linux display protocols such as Wayland, using toolkits like GTK, Qt, or EFL
Write and maintain Bash scripts to automate build processes, deployment routines, and system-level diagnostics
Optimize application performance through multithreading, memory management, and low-latency scheduling techniques
Debug and profile applications using tools such as gdb, valgrind, perf, and strace to ensure stability and responsiveness
Implement secure coding practices and support audit-readiness for mission-critical systems
Collaborate with cross-functional teams to integrate GUI applications with enterprise platforms and middleware
Configure and support lightweight desktop environments and custom window managers, including MWM and Wayland compositors
Manage source code and development workflows using Bitbucket, Git, and CI/CD pipelines
Develop and maintain IPC mechanisms (e.g., sockets, shared memory, DBus) for inter-process communication
Document system architecture, migration strategies, and operational procedures for modernization initiatives
Participate in code reviews, refactoring efforts, and legacy system analysis to support long-term maintainability
Support containerized deployment of desktop applications using Docker in secure, isolated environments
Qualification
Required
Bachelor's degree in computer science, Software Engineering, or related field (required)
Minimum 10 years of hands-on experience in C/C++ development on Linux systems
Expertise in C and C++ development for Linux desktop applications, including event-driven programming and UI logic
Proficiency in Bash scripting for build automation, deployment, and system-level integration
Experience with legacy GUI frameworks, including Motif, X11, and MWM, with the ability to analyze and refactor legacy codebases
Familiarity with modern display protocols, especially Wayland, including compositor-client architecture and protocol handling
Understanding of GUI migration strategies, including porting from Motif/X11 to toolkits like GTK, Qt, or EFL
Proficiency with Bitbucket and Git workflows, including branching, pull requests, and CI/CD pipelines
Experience with build systems such as CMake, Make, and debugging tools like gdb, valgrind
Ability to work with low-level graphics APIs, such as OpenGL or Vulkan, for rendering and display optimization
Comfortable working in lightweight or minimal desktop environments, including configuration of .xinitrc, .Xresources, and custom window manager setups
Understanding of Linux system internals, including IPC, permissions, and performance tuning for GUI responsiveness
Strong documentation and communication skills, with the ability to translate technical migration plans into actionable development tasks
Preferred
10 years of hands-on experience in C/C++ development on Linux systems
Deep knowledge of Linux kernel scheduling policies for deterministic latency
Ability to write custom Wayland protocols and implement both client and compositor-side extensions for specialized GUI behavior
Experience with Zero-Copy Inter-Process Communication (IPC) use of share memory to reducing latency and improving performance
Company
Idexcel
Idexcel is a Professional Services and Technology Solutions provider specializing in Cloud Services, Cloud Native Services, Data Platforms and Intelligence, Automation & AI.
501-1000 employees
H1B Sponsorship
Idexcel has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
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2025 (99)
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2020 (282)
Funding
Current Stage
Late StageRecent News
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