Junior Cloud-Native Software Developer

Leidos; Gaithersburg (MD); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos is seeking Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting modern cloud-based flight service and air traffic systems. You will work in a Scaled Agile environment on containerized applications, collaborating with cross-functional teams and DevSecOps to deliver mission-critical solutions in safety-critical contexts.

Responsibilities include development, testing, debugging, and collaborating across architecture and product delivery.

Qualifications

• 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
• Independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment
• Ability to obtain SF-85 Public Trust suitability determination
• US citizenship required

Responsibilities

• Write, test, debug, and maintain source code within an Agile environment.
• Participate in daily stand-ups and Release Planning activities.
• Write and execute unit and functional tests.
• Troubleshoot and resolve technical issues in lab and operational environments.
• Provide support for system engineering, test engineering, and system owner teams.

Skills

Java

React

Web development

Linux

Git/Subversion

IDE tools (Eclipse/VS Code)

AI-assisted tools (Claude Code/Codex)

Cloud-based systems

JUnit/Mockito

SAFe/Agile

Education

Bachelor's degree in computer science or related field

Master's degree (less than 2 years experience)

Tools

Git

Subversion

Eclipse

VS Code

Spring Framework

Spring Boot

Spring Security

Python

Ansible

YAML

Linux shell scripting

MongoDB

CI/CD pipelines

Job description

Leidos is seeking Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting modern cloud-based flight service and air traffic systems. You will work in a Scaled Agile environment on containerized applications, collaborating with cross-functional teams and DevSecOps to deliver mission-critical solutions in safety-critical contexts.

Responsibilities include development, testing, debugging, and collaborating across architecture and product delivery.