Application Software Engineer
San Diego, CA - USA
Job Summary
Leidos has a new and exciting opportunity for a Applications Software Engineer in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeling Signals Intelligence (SIGINT) and Cryptographic Key Management. At Leidos we offer competitive benefits including Paid Time Off 11 paid Holidays 401K with a 6% company match and immediate vesting Flexible Schedules Discounted Stock Purchase Plans Technical Upskilling Education and Training Support Parental Paid Leave and much more. Join us and make a difference in National Security!
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:
The successful candidate will work on a mix of web service development full stack web application development and robust persistence layer implementations in an Agile Scrum environment. This involves the use of Themes Epics User Stories acceptance criteria and other system engineering artifacts as part of an Agile team. He/she will 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.
The candidate will be knowledgeable about (and apply) secure software development principles and techniques. He/she will use software tools in cooperation with continuous integration and test automation management process and understand software components and their interface requirements. The candidate will interface with software engineers system engineers information assurance engineers test engineers quality assurance and other project team members. He/she will be responsible for setting the standards and helping 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.
Basic Qualifications:
BS Degree in Computer Science or equivalent and 4 years of relevant experience. Will consider experience in lieu of a degree.
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 )
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)
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
March 10 2026For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87100.00 - $157450.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
IC
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.