Software Engineer TS/SCI Poly

Company: Leidos
Location: San Diego
Posted on: June 2, 2025

Job Description:

DescriptionLeidos has an exciting opportunity for a Software Engineer!Must have an active TS/SCI Polygraph up front. No exceptions.You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Technologies include Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (Angular, JavaScript, CSS, HTML), and special purpose device programming.Primary Responsibilities

• Participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other team activities.
• Analyze complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other design techniques.
• Use sound software engineering principles to ensure code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.
• Manage software processes during coding and promote code reuse and collaboration.
• Engineer, author, tune, and document automation scripts and deploy them to test/production environments.Basic Qualifications
  • Bachelor's degree with 2-4 years of relevant experience or Master's with less than 2 years of experience.
  • Demonstrated experience with Java and familiarity with Java frameworks such as Spring Boot, JEE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
  • Experience or familiarity with languages like JavaScript, Python, C/C++, Groovy, SQL.
  • Experience with IDEs such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.
  • Experience with databases like Oracle, PostgreSQL, MongoDB, SQL Server.
  • Experience with Web UI development, including AngularJS, JSON, HTML, XML, XSLT.
  • Experience with source control and configuration management tools.
  • Knowledge of cryptographic systems and development on Windows/Linux.
  • Professional experience with web services and sound software development principles.
  • Effective communication skills and ability to work independently and in a team environment.Preferred Qualifications
    • Experience with JEE, application servers, Spring, scripting, XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, containers (Docker, Kubernetes, OpenShift).
    • Experience with JavaScript frameworks, testing/mocking frameworks, build tools, requirements management, secure systems engineering, and Agile practices including TDD, ATDD, BDD.
    • Knowledge of secure software development and Agile methodologies like SAFe.For more information, visit .
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Keywords: Leidos, Bell Gardens , Software Engineer TS/SCI Poly, IT / Software / Systems , San Diego, California