Leidos

Application Software Engineer

Leidos
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1 day ago
San Diego, CA, USAMid Level
H1B Sponsor

Base Salary

$87k - $157k/yr

Responsibilities

  • Develop web services, full-stack web applications, and robust persistence layers.
  • Apply secure software development principles, clean coding techniques, fault tolerance, maintainability, and S.O.L.I.D. practices.
  • Use continuous integration, automated testing, and Test Driven Development practices within the Leidos Agile Framework.
  • Set testing standards and help the team adopt and adhere to TDD practices.
  • Collaborate with software engineers, system engineers, information assurance engineers, test engineers, quality assurance personnel, and other project team members.

Requirements

  • Bachelor of Science degree in Computer Science or equivalent, with relevant experience accepted in place of a degree.
  • At least four years of relevant experience.
  • Active Secret clearance.
  • Experience with HTML, CSS, and JavaScript in a web-based environment.
  • Experience in Scrum or another Agile environment such as SAFe or XP.
  • Experience with UI or development frameworks such as AngularJS, Ionic, GWT, SmartGWT, Qt, React, or Node.js.
  • Experience with automated testing tools and concepts such as Selenium, Cucumber, Gherkin, and BDD, plus Test Driven Development.
  • DoD 8570-approved security certification, such as Security+, required within 90 days of hire.
  • Preferred experience includes REST, SOAP, AWS, Git, GitHub, CI and DevOps tools, build scripts, security scanning, mobile application development, Agile management tools, web server configuration, and database development.
  • Strong teamwork, written communication, and verbal communication skills.

Benefits

  • Paid time off and 11 paid holidays.
  • 401(k) plan with a 6% company match and immediate vesting.
  • Flexible schedules.
  • Discounted stock purchase plans.
  • Technical upskilling and education and training support.
  • Paid parental leave.

Tech Stack

Apache AntAWSCSSCucumberGitGradleHTMLIonicJavaScriptJenkinsJUnitMavenMicrosoft SQL ServerMySQLNode.jsPostgreSQLReactSeleniumSOAPSonarQubeSQLite
Leidos

About Leidos

10,000+ employees

Leidos is an industry and technology leader serving government & 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 $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

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