Software Developer

Leidos•Gaithersburg, MD

2d•Onsite

About The Position

Leidos is seeking Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC). AAC is part of the FAA’s broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments like Alaska. AAC is a mission-critical, future-ready, cloud-based solution providing safety-critical flight services to the pilot community. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native capabilities. You will work alongside cross-functional teams and technical leaders to deliver predictable outcomes in a highly regulated, safety-critical environment. In this position, you will design and implement software solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. The primary focus is on developing containerized applications within an Agile/SAFe environment. This position supports government programs and requires the ability to obtain and maintain a favorable Public Trust investigation.

Requirements

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 be able to 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

Nice To Haves

Knowledge of or experience working within the Agile/SAFe framework
Knowledge of or experience with RESTful API, JSON, XML, XSD
Knowledge of or experience with Spring Framework, Spring Security, and Spring Boot
Knowledge of or experience with Python programming language
Knowledge of or experience with Ansible playbooks and YAML
Knowledge of or experience with Linux shell scripting
Knowledge of DevSecOps practices and CI/CD pipelines
Knowledge of or experience with MongoDB
Knowledge of air traffic control and flight services ATMC

Responsibilities

Responsible for software development activities both individually and as a member of a team including writing, testing, debugging, and maintaining source code within an Agile environment.
Actively participate in daily stand-ups, Release Planning, and other related team activities.
Write and execute unit and functional tests.
Troubleshoot and participate in the resolution of technical issues in lab and operational environments.
Provide support as needed for system engineering, test engineering, and system owner teams.