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Leidos
·
March 19, 2026
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Junior Software Engineer

Orlando, FL
Full-time
Hybrid
$58K/yr - $105K/yr
New Grad, Entry Level
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. The Defense Sector at Leidos is currently seeking a Junior Software Engineer to join a collaborative, product-focused engineering team responsible for the design, development, testing, and delivery of software products primarily in Java, Rust, and JavaScript.
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Responsibilities

  • Design, develop, and maintain software components and services using Java, Rust, and JavaScript
  • Build and enhance user-facing features using React
  • Collaborate with a cross-functional Agile team using Jira for planning, tracking, and execution
  • Contribute to continuous delivery pipelines with a strong emphasis on automated testing
  • Write and maintain unit, integration, and system tests to ensure software quality and reliability for backend and frontend systems
  • Leverage generative AI tools to assist with development, testing, documentation, and problem-solving where appropriate
  • Participate in code reviews, design discussions, and sprint ceremonies
  • Work closely with product and user-facing teams to incorporate feedback and improve functionality and usability
  • Support ongoing improvements to development practices, tooling, and processes

Qualification

Required

  • US Citizen with the ability to obtain and maintain a Top Secret clearance with 365 days from the start of your employment with Leidos
  • Bachelor's degree in a relevant field and 0-2 years of professional software development experience
  • Proficiency in Java, Rust, and/or JavaScript, with willingness to work across both languages
  • Experience working in Agile/Scrum environments
  • Familiarity with Jira or similar Agile project management tools
  • Experience with automated testing frameworks and test-driven or test-focused development practices
  • Strong problem-solving skills and attention to detail
  • Ability to work effectively as part of a larger engineering team

Preferred

  • US Citizen with an active Top Secret clearance
  • Experience with CI/CD pipelines and continuous delivery practices
  • Exposure to cloud-based or distributed systems
  • Experience using or experimenting with AI-assisted development tools
  • Understanding of software usability and user-centered design principles

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com