Sr. Applications Software Engineer

Program Summary

Product development includes tactical mobile development as well as enterprise web application development. The portfolio of products support the Cybersecurity and Information Assurance domains. These systems deploy a variety of technologies and communicate with infrastructure interfaces to bring secure, modern-day Cybersecurity and Cryptographic Key Management solutions to the warfighter.

Primary Responsibilities

• Work on a mix of web service development, full stack web application development and robust persistence layer implementations in an Agile Scrum environment.
• Use a variety of software engineering best practices and clean coding techniques to ensure that developed code is maintainable, efficient, reliable, understandable, secure, fault tolerant and meets S.O.L.I.D coding principles.
• Use secure software development principles and techniques.
• Interface with software engineers, system engineers, information assurance engineers, test engineers, quality assurance, and other project team members.
• Set the standards and help the team adopt and adhere to Test Driven Development (TDD) practices within the Leidos Agile Framework to ensure the proper degree of engineering rigor is applied to all assigned tasks.
• Mentor junior software engineers.

Basic Qualifications

• BS Degree in Computer Science/Computer Engineer or equivalent and 17+ years of relevant experience or a Masters with 15+ years of prior experience
• Active Secret Clearance (Required)
• Experience with web-based (HTML, CSS, JavaScript) in a web-based environment
• Experience in Scrum Methodology or other Agile environments (e.g., SAFe, XP)
• Experience with UI / Development Frameworks (E.g, AngularJS, Ionic, GWT, SmartGWT, Qt, React, Node.js)
• Experience with Automated Testing Tools/Technologies/Concepts (Selenium, Cucumber, Gherkin, BDD)
• Experience with Test Driven Development (TDD)
• Works well in a team environment and has excellent written and communication skills
• DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire).

Preferred Qualifications

• Experience with Web Services Architectures (REST, SOAP, AWS)
• Experience with Software CM (e.g., Git, GitHub)
• Experience with Continuous Integration / Quality, and DevOps concepts and tools / technologies (e.g., Ant / Maven, Jenkins, SonarQube, FishEye, Crucible, Gradle, Junit)
• Experience with Security Scanning (HP Fortify, HP WebInspect)
• Experience with Build Scripts (e.g., Maven, ANT)
• Experience with Mobile Application Development
• Experience with Agile Management Tools and Concepts (e.g., VersionOne, JIRA, Rally, etc.)
• Experience with Web Server Configuration (e.g., JBOSS, Wildfly, Tomcat)
• Experience with Database Development (e.g., Postgres, SQL Server, MySQL, SQLite, Oracle)

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay And Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.