Senior Software Engineer

Leidos is seeking a Senior Software Engineer in Virginia to provide technical leadership, mentorship, and delivery of complex software built with Java, Rust, JavaScript, and React.

Responsibilities

• Provide technical leadership and strategic direction for software solutions using Java, Rust, JavaScript, and React
• Lead and influence multiple Agile scrum teams, ensuring alignment on architecture, standards, and delivery goals
• Own and drive cross-team technical initiatives from concept through production
• Mentor engineers across experience levels to support career growth and technical excellence
• Serve as a technical escalation point for design, implementation, and production issues
• Partner with engineering managers and product owners on roadmap planning, prioritization, and execution
• Promote best practices in automated testing, CI/CD, code quality, and secure development
• Guide teams in leveraging generative AI tools to improve development efficiency and software quality
• Lead architectural reviews, design discussions, and technical decision-making forums
• Ensure software solutions are scalable, maintainable, performant, and user-centered
• Incorporate user feedback and operational insights to drive continuous product improvement
• Contribute hands-on to critical areas of the codebase as needed

Requirements

• US Citizen with at least an active Top Secret clearance and ability to obtain a SCI
• Bachelor's degree in a relevant field with 8+ years of professional software development experience, or Master’s degree with 6+ years of experience; additional experience may be considered in lieu of a degree
• Minimum 6 years of overall software development experience (8+ years if holding a Bachelor's degree)
• Deep expertise in one or more of Java, Rust, JavaScript, or React with the ability to guide teams across the full stack
• Proven experience in technical leadership, team leadership, or staff/lead engineering roles
• Strong background working in Agile/Scrum environments and leading teams using Jira or similar tools
• Demonstrated experience driving architecture and solution design across teams
• Strong experience with automated testing strategies and continuous delivery
• Excellent communication, collaboration, and mentorship skills
• On-site in Virginia with some telework, near Arlington or Alexandria as needed

Technologies

• Java
• Rust
• JavaScript
• React
• Jira

Salary

• USD 107,900 - 195,050 per year

Benefits

• Opportunity to shape technical direction and engineering culture across the organization
• High-impact leadership role with visibility and influence
• Collaborative environment that values mentorship, ownership, and continuous learning
• Support for modern tooling, automation, and innovation
• Competitive compensation and comprehensive benefits package