Join Leidos as a Software Developer in Chantilly, VA

Leidos is seeking an experienced Software Developer to support mission-critical projects and infrastructure initiatives in Chantilly, VA. The ideal candidate excels with legacy systems and modern cloud architectures, solves complex problems, and thrives in collaborative Agile environments. If you’re ready to disrupt the status quo and drive innovation on high-stakes missions, this is your opportunity.

What You’ll Do

• Maintain, enhance, and modernize legacy applications to meet evolving mission needs
• Design, develop, and deploy scalable solutions using Java, Spring Boot, Angular (TypeScript), and AWS
• Build and consume RESTful APIs and integrate services across distributed systems
• Develop custom ETL solutions and data pipelines, including Elasticsearch integrations
• Write and maintain scripts to install, configure, and deploy applications on EC2 instances
• Collaborate within Agile/Scrum teams to deliver high-quality software on schedule
• Perform unit testing, peer code reviews, and automated testing (e.g., Selenium)
• Document system designs, workflows, and technical solutions clearly
• Mentor junior developers and promote software engineering best practices
• Troubleshoot issues methodically in a team environment

Required Qualifications

• Active TS/SCI with Polygraph clearance
• Bachelor’s degree with 10+ years of relevant experience (additional experience may substitute for degree)
• Strong hands-on experience with Java, Spring Boot, Angular (TypeScript), and AWS/cloud development
• Experience with RESTful APIs, custom ETL solutions, Git, Jenkins, Selenium, Rundeck
• Proficiency in Linux command-line (Red Hat preferred)
• Proven ability to translate customer requirements into technical solutions
• Excellent communication, time management, and documentation skills

Desired Qualifications

• Experience with identity, authentication, and access control
• Containerization and microservices architectures
• Full-stack development and UI/UX principles
• Automation frameworks and testing strategies
• AWS Certification

Why Leidos?

At Leidos, you’ll tackle meaningful missions, collaborate with top engineers, and modernize systems that matter. We prioritize innovation, mentorship, and excellence. Comfort seekers need not apply—we outthink, outbuild, and outpace because the mission demands it. Join the disruptors who refuse to fail.

Pay Range: $131,300 - $237,350 USD (actual pay based on experience, skills, and other factors). Full-time role.