Lead Software Developer – Java

Leidos

. Write, test, debug, and maintain source code within an Agile environment .

Posted 11/3/2026full-timeUnited StatesSenior💰 $87,100 - $157,450 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Java and React development, with a strong focus on unit testing and Agile methodologies. Proficient in designing containerized software solutions and collaborating with cross-functional teams to resolve complex technical issues.

Highest-signal resume keywords

Java Programming LanguageReact DevelopmentUnit Testing (JUnit, Mockito)Spring Framework (Spring Boot, Spring Security)Agile Environment Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java Programming LanguageReact DevelopmentUnit Testing (JUnit, Mockito)RESTful APIHTMLCSSJavaScriptSpring FrameworkLinuxCloud-Based Systems

Soft Skills

Effective CommunicationTask PrioritizationIndependent WorkTeam Collaboration

Tools & Technologies

GitSubversionEclipseVS CodeAI-Assisted Development Tools

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceMaster’s Degree in Computer Science

Industry Keywords

Agile EnvironmentContainerized Software SolutionsSystems EngineeringDevSecOpsPublic Trust Suitability

Tech Stack

Tools & technologies

CloudJavaJavaScriptJUnitLinuxMockitoReactSpringSpring BootSpringBootSubversion

About the role

Key responsibilities & impact

Write, test, debug, and maintain source code within an Agile environment
Develop solutions to complex issues
Participate in daily stand-ups, Release Planning, and related team activities
Write and execute unit and functional tests
Troubleshoot and help resolve technical issues in lab and operational environments
Support systems engineering, test engineering, and system owner teams
Design and implement containerized software solutions
Collaborate with systems engineering, product delivery, and DevSecOps teams

Requirements

What you’ll need

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 programming language
Significant experience with React
Experience with web development and commonly used front-end tools and languages (HTML, CSS, JavaScript)
Significant experience with unit testing tools such as JUnit and Mockito
Experience with RESTful API, JSON, XML, XSD
Experience with Spring Framework, Spring Security, and Spring Boot
Experience with Linux
Experience with version control systems such as Git or Subversion
Experience with common development tools and IDEs (Eclipse, VS Code, etc.)
Experience with AI-assisted software development workflows and tools (i.e. Claude Code, Codex, etc.)
Experience with cloud-based systems
Experience working within the Agile environment
Understanding of sound software development principles and practices
Ability to plan and prioritize personal tasking and communicate effectively verbally and in writing
Ability to perform high-quality work independently and with a team in a fast-moving environment
Ability to obtain SF-85 Public Trust suitability determination
U.S. citizenship required