Junior Software Engineer

Leidos is seeking a Junior Software Engineer to join a dynamic team in Gaithersburg, MD. The successful candidate will work on the development and maintenance of software that improves aircraft runway and terminal congestion.

The Federal Aviation Administration's (FAA) Terminal Flight Data Manager (TFDM) is a surface management solution that aims to provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS).

Responsibilities:

• Architect, design, develop, and implement next-generation applications using software engineering best practices in the latest technologies, including Infrastructure-as-Code and Configuration-as-Code (Terraform, Ansible), Artificial Intelligence and AI-Assisted Development (Generative AI, LLMs, AI coding assistants, RAG, AI agents, prompt engineering, and AI MCP servers), and DevOps and CI/CD tooling (Bamboo, Docker, SonarQube, Ansible).
• Provide software expertise in areas such as application integration, RESTful services, Artificial Intelligence, security, workflow automation, module integration, user experience (UX), and accessibility compliance (Section 508/WCAG/USDS standards).
• Investigate and repair application defects in various components, including automation, front-end, business logic, middleware, or database (PL/SQL and Data Modeling).
• Brief management, customers, teams, or vendors using written or oral skills at the appropriate technical level for the audience.

Basic Qualifications:

• Bachelor's degree in computer science, software engineering, mathematics, engineering, or a related technical discipline. Master's or Doctorate degree may substitute for required experience.
• 3+ years of combined experience with modern software development (Python, Java, PHP).
• Experience working in Agile software development environments.
• Must be able to obtain and maintain a Public Trust clearance.
• Willingness to travel at least 50% as needed.
• This program requires a Public Trust security clearance; to obtain/maintain a Public Trust, candidates must hold US citizenship or Permanent Residency.

Required Skills:

• Solid understanding of modern Python libraries and frameworks, including GeoPandas, Fiona, Pillow, PyTesseract, and XMLDiff.
• Experience developing modern Python applications using object-oriented design principles, type annotations, asynchronous programming, automated testing frameworks, and secure software development best practices.
• Proven experience designing, developing, and maintaining software applications used to create, validate, transform, and manage structured data formats, including JSON, CSV, XML, XSD, and XSLT.
• Demonstrated knowledge of XML schema design (XSD), XSLT transformations, and structured data validation techniques.
• Experience with automated testing methodologies, including unit, integration, end-to-end, and behavior-driven testing using tools such as pytest, Behave, Selenium, Playwright, and test automation frameworks.
• Solid knowledge of front-end technologies, including HTML5, JavaScript/TypeScript, CSS3, and responsive UI development principles.
• Strong experience in automating tasks with scripting languages like Bash, Shell, or Python.
• Experience in using the UNIX and Linux operating systems and automating tasks with scripting languages like Bash, Shell.
• Experience using DevOps and CI/CD tools, including Git/Bitbucket, Bamboo/Jenkins, SonarQube, and automated build/deployment pipelines.
• Experience with Artificial Intelligence and AI-Assisted Development (Generative AI, LLMs, AI coding assistants, RAG, AI agents, prompt engineering, and AI MCP servers).

Benefits:

• Pay Range: $69,550.00 - $125,725.00