Leidos is a technology and engineering company serving defense and mission-focused customers. The Junior Software Engineer will develop and maintain C++ applications and backend systems supporting advanced radar sensors, data processing, visualization, and system control, while contributing to integration, testing, deployment, and performance improvement.
Candidates will support advanced technology radar programs to develop user-facing and backend software that interfaces with high-performance sensors and data processing systems. These applications are tightly coupled with real-time data pipelines and hardware systems, requiring strong understanding of performance, data flow, and system behavior
Engineers in this role are expected to grow into broader system ownership over time, contributing across application, middleware, and real-time components as needed
Design, develop, and maintain C++-based applications and backend systems
Build software supporting data processing, visualization, and system control
Analyze and improve performance, latency, and scalability of software systems
Collaborate with cross-functional teams including software, systems, and hardware engineers
Support integration, testing, and deployment of software in operational environments
Contribute to evolving system capabilities, including future real-time and high-throughput processing components
Contribute to systems and features end-to-end, from development through deployment and improvement
Qualification
Required
Bachelor's degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school with a strong demonstration of the skills listed below
Candidate must have 2+ years of experience in software development
Candidate must have excellent teamwork skills and possess strong fundamentals in the following:
Proficiency in modern C++
Experience with Linux-based systems
Experience with higher-level user application development
Experience working in performance-sensitive, distributed, or systems-oriented applications
Experience with multithreaded or concurrent programming
Problem-solving skills and ability to work effectively in a team environment
Resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area
US Citizenship is required and active secret clearance
Preferred
Experience with messaging frameworks (e.g., ZeroMQ)
Experience with GPU Computing (e.g., CUDA)
Experience with containerization and CI/CD pipelines
Exposure to radar, RF, or sensor systems
Experience with Python
Experience with Flask, Angular TS, and SCSS
Experience with SQL-based Databases
Familiarity with mapping / GIS frameworks (e.g., ArcGIS, OpenLayers, MapProxy, NASA WorldWind)
Familiarity with AI coding assistants (e.g., Claude Code)
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.
