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Full time
Technology
Software Engineer
LeidosSan Diego, CA🇺🇸United StatesPosted 21 Apr 2026
Why This Role Stands Out
This hybrid Software Engineer role at Leidos offers a competitive salary and the chance to develop cutting-edge algorithms for national defense, working alongside experts in a collaborative environment. You'll thrive here if you're passionate about solving complex problems and eager to contribute to impactful, real-world missions while enjoying opportunities for continuous learning and skill enhancement. Apply today to join a team that values innovation and technical rigor!
Quick Overview
Salary
$87.1k - $157.4k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior
Job Description
Software Engineer | San Diego, CA, United States | Hybrid | $87,100 - $157,450
This employer is a leading technology company focused on solving complex national defense challenges through advanced signal processing, ocean remote sensing, and high-performance computing. They are seeking a driven Software Engineer to join a collaborative, multidisciplinary team of experts.
The Role
• Design, implement, and optimize advanced algorithms for sensor systems.
• Engineer high-performance backend systems for scientific computing.
• Integrate, refactor, and optimize scientific codebases for scalability and efficiency.
• Translate and enhance existing code for GPU/CUDA acceleration and distributed execution.
• Test, document, and evolve complex software within a Linux/Unix environment.
• Contribute to a culture valuing technical rigor, creativity, and growth.
What You'll Need
• Bachelor's degree in a technical field with 6+ years of backend software development experience, or Master's with 4+ years.
• U.S. citizenship and ability to obtain a Top Secret clearance.
• Expertise in C/C++ backend software development for performance-critical applications.
• Proven experience with high-performance computing, parallel/distributed processing (e.g., MPI).
• Hands-on experience with GPU/CUDA programming and optimization.
• Proficiency in Linux/Unix development environments.
What's On Offer
• Opportunity to work on impactful software for real-world missions.
• Investment in professional growth through mentorship and hands-on innovation.
• Collaborative team environment that values curiosity and technical expertise.
• Competitive compensation package and benefits.
Apply via Haystack today!
Skills
CUDA
C++
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