Leidos

Lead Software Developer - Java

Leidos
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4 days ago
Gaithersburg, MD, USA +2 moreStaff+
H1B sponsor

Base Salary

$87k - $157k/yr

Responsibilities

  • Design and implement software solutions independently within a Scaled Agile software development organization.
  • Write, test, debug, and maintain source code for containerized applications.
  • Develop solutions to complex technical issues using Java, React, Spring, and related technologies.
  • Write and execute unit and functional tests.
  • Troubleshoot and help resolve technical issues in laboratory and operational environments.
  • Participate in daily stand-ups, Release Planning, and other Agile team activities.
  • Support systems engineering, test engineering, and system owner teams.
  • Collaborate with cross-functional teams to deliver cloud-based flight service and air traffic systems.

Requirements

  • Bachelor's degree in computer science or a related field with 4-8 years of relevant experience, or a master's degree with 2-6 years of experience.
  • Significant experience with Java, React, JUnit, Mockito, Spring Framework, Spring Security, and Spring Boot.
  • Experience with web development, HTML, CSS, JavaScript, JSON, XML, and XSD.
  • Experience with Linux, version control systems such as Git or Subversion, and development tools or IDEs such as Eclipse and VS Code.
  • Experience with AI-assisted software development workflows and tools such as Claude Code or Codex.
  • Experience with cloud-based systems and Agile software development environments.
  • Ability to obtain an SF-85 Public Trust suitability determination and maintain a favorable Public Trust investigation.
  • U.S. citizenship is required.
  • Preferred knowledge of Agile/SAFe practices, Python, Ansible playbooks, YAML, Linux shell scripting, DevSecOps practices, CI/CD pipelines, MongoDB, and air traffic control or flight services.
  • Ability to plan and prioritize tasks, communicate effectively, and perform high-quality work independently and collaboratively.

Tech Stack

AnsibleCSSGitHTMLJavaJavaScriptJUnitLinuxMongoDBPythonReactSpring BootSubversion
Leidos

About Leidos

10,000+ employees

Leidos builds and operates technology and engineering solutions for defense, intelligence, civil, and health agencies, including systems integration, cyber, enterprise IT, sensors, and healthcare IT. It primarily sells through government contracts and long-term programs, plus managed services and mission software. Founded in 1969 and headquartered in Reston, Virginia, Leidos is a Fortune 500 public company on the NYSE; customers include U.S. defense and intelligence agencies and civil bodies such as the FAA.

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