Leidos · 9 hours ago
Senior Software Engineer
Vista, CA
Full-time
Hybrid
Senior Level, Lead/Staff
$108K/yr - $195K/yr
8+ years expLeidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. The Senior Software Engineer will serve as an experienced technical contributor, leading projects, mentoring engineers, and ensuring the delivery of secure, high-quality software solutions while leveraging AI-assisted coding tools.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
Responsibilities
Lead the design, development, testing, and maintenance of software solutions using C#
Provide technical guidance and mentorship to engineers at all levels
Foster team collaboration and alignment with best practices
Develop software that adheres to industry security standards and enhances security compliance
Apply object-oriented design principles and patterns to ensure code reusability and maintainability
Implement Test-Driven Development (TDD) and Continuous Integration practices
Utilize AI-assisted coding tools, such as Claude Code, to streamline development processes and enhance code quality
Drive innovation by researching and integrating best practices into software solutions, including AI-based methodologies
Evaluate and troubleshoot complex technical issues, providing guidance to engineers and Field Service Engineers
Drive innovation by researching and integrating best practices into software solutions
Interact with customers to understand requirements and provide technical solutions
Explain technical trade-offs and solutions to non-technical stakeholders
Develop project estimates for budgeting and scheduling, including allocations for sustaining engineering and technical debt remediation
Incorporate forward-thinking strategies to support sustainable product lines
Qualification
Required
8–12 years of experience in software development, with a strong programming background in C#
Proven ability to lead technical projects and mentor engineers
Expertise in object-oriented design principles and Agile methodologies
Strong troubleshooting and problem-solving skills
Effective communication and collaboration skills in cross-functional team environments
Bachelor's degree in computer science or a related field and 8–12 years of relevant experience
Preferred
Experience with AI-assisted coding tools, such as Claude Code, to enhance productivity and code quality
Proficiency with revision control systems (e.g., Git), multi-threading, networking protocols, and Web Services
Familiarity with security compliance standards in software development
Knowledge of UML and documented design methodologies
Benefits
Competitive compensation
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
H1B Sponsorship
Leidos 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
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (65)
2024 (58)
2023 (77)
2022 (65)
2021 (56)
2020 (89)
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
Company data provided by crunchbase