Software Developer

Leidos

. Write, test, debug, and maintain source code individually and as a team within an Agile environment .

Posted 10/16/2026full-timeUnited StatesJuniorMid-Level💰 $69,550 - $125,725 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Java and React for developing cloud-native applications, with a strong foundation in Agile methodologies and unit testing. Capable of collaborating effectively within cross-functional teams while maintaining high-quality standards in software development.

Highest-signal resume keywords

Java Programming LanguageReactAgile/SAFe MethodologiesUnit Testing ToolsCloud-Based Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java Programming LanguageReactHTMLCSSJavaScriptLinuxGitJUnitMockitoSpring Framework

Soft Skills

Effective CommunicationTask PrioritizationTeam CollaborationProblem SolvingIndependence

Tools & Technologies

EclipseVS CodeAI-Assisted Software Development ToolsDevSecOpsCI/CD Pipelines

Certifications & Qualifications

SF-85 Public Trust Suitability Determination

Industry Keywords

Cloud-Native SystemsAir Traffic ControlFlight ServicesRESTful APIJSONXMLXSDSpring SecuritySpring BootAnsible Playbooks

Tech Stack

Tools & technologies

AnsibleCloudJavaJavaScriptJUnitLinuxMockitoMongoDBPythonReactShell ScriptingSpringSpring BootSpringBootSubversion

About the role

Key responsibilities & impact

Write, test, debug, and maintain source code individually and as a team within an Agile environment
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 independently implement software solutions
Develop containerized applications within an Agile/SAFe environment
Collaborate with systems engineering, product delivery, and DevSecOps teams
Contribute to technical execution of a program delivering cloud-native flight service and air traffic systems

Requirements

What you’ll need

Bachelor’s degree in computer science or a related field with 2-4 years of relevant experience, or a Master’s degree with less than 2 years of experience
Experience with Java programming language
Experience with React
Experience with web development and commonly used front-end tools and languages (HTML, CSS, JavaScript)
Experience with Linux
Experience with version control systems such as Git or Subversion
Experience with common development tools and IDEs (Eclipse, VS Code, etc.)
Knowledge of AI-assisted software development tools and workflows (i.e. Claude Code, Codex, etc.)
Knowledge of cloud-based systems
Knowledge of unit testing tools such as JUnit and Mockito
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
US citizenship required
Preferred: Knowledge or experience with Agile/SAFe, RESTful API, JSON, XML, XSD, Spring Framework, Spring Security, Spring Boot, Python, Ansible playbooks, YAML, Linux shell scripting, DevSecOps, CI/CD pipelines, MongoDB, air traffic control and flight services