X11/X-Windows/Linux Software Developer
- Boston, MA
- $140,000-160,000 per year
- Permanent
- Full-time
A leading aerospace and defense technology company is seeking an experienced X Windows / X11 Linux Software Developer to support mission-critical applications used in high-performance, real-time environments. This full-time role offers a hybrid work structure, with opportunities to collaborate on advanced systems that support air traffic control, defense, and other complex operational domains.As an X11 developer, you’ll contribute to the maintenance and evolution of mature graphical systems built on X Windows, GNOME, and related Linux desktop technologies. This is a unique opportunity to apply deep knowledge of low-level Linux graphics programming and windowing systems in a highly impactful setting.Required Skills & ExperienceStrong expertise in X Windows/X11 developmentProficiency with C and C++ in a Linux environmentExperience with Motif, Xt, or other X11-based widget toolkitsSolid knowledge of UNIX/Linux internals, including window/session managementFamiliarity with Wayland, GNOME, or legacy GUI frameworksDesired Skills & ExperienceBackground in real-time or embedded systemsExperience supporting or migrating legacy GUI systemsKnowledge of multi-threaded application developmentPrior work in aerospace, defense, or industrial control systemsWhat You Will Be DoingTech Breakdown60% X Windows/X11 GUI Development25% Linux System Integration and Maintenance15% Tooling and Debugging of Legacy Graphics ApplicationsDaily Responsibilities70% Hands-On Coding and Debugging20% Refactoring and Enhancing Existing Codebases10% Collaboration with System Architects and Hardware Teams