Java Web Application Developer

Java Web Application Developer Location: Remote Clearance: Secret or higher The Test and Training Enabling Architecture (TENA) program at Leidos is looking for a Java Web Application Developer to join our team! Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly.

The Java Web Application Developer will work within a team of engineers and developers to design, build, test and maintain web applications that provide key capabilities for our enclaves. This position is located in Alexandria, VA and eligible for remote work. Primary Responsibilities: Join an existing team of web developers to provide full-stack web applications that support operational requirements. Document and validate web application requirements. Develop automated tests that align with test plans.

Provide architectural design and development support to fulfill web application requirements. Participate in software design discussions and recommend use of relevant tools, technologies and techniques. Aid in refactoring/updating existing web applications to add new features and improve reliability and performance. Ensure compliance with software security requirements by reviewing the cybersecurity posture of web applications.

Basic Qualifications: US Citizen with at least an active Secret clearance Bachelor’s degree and 4+ years of prior relevant experience or Master’s degree and 2+ years of prior relevant experience. Experience may be considered in lieu of degree requirements.

3+ years of experience developing, deploying, and maintaining full-stack web applications and software systems 2+ years of experience identifying and validating requirements for software applications 2+ years of experience with web UI components including HTML, CSS, JavaScript (NodeJS) and Angular 2+ years of demonstrated ability to design and build RESTful web services 2+ years of experience with Java EE/Jakarta EE integration, Servlets and JDBC Experience with PostgreSQL or equivalent and SQL queries Solid grasp of Object-Oriented Programming principles, Java EE (Streams, Lambda

expressions), Collections framework, and Exception handling Preferred Qualifications: 4+ years of experience developing, deploying, and maintaining full-stack web applications and software systems 3+ years of experience with web UI components including HTML, CSS, JavaScript (NodeJS) and Angular 3+ years of experience with Java EE/Jakarta EE integration, Servlets and JDBC 3+ years of demonstrated ability to design and build RESTful web services using JSON 2+ years of experience with PostgreSQL or equivalent and SQL queries Experience with Static Application Security Testing (OWASP, Coverity,

SonarQube) and software security compliance Strong grasp of Object-Oriented Programming principles, Java EE (Streams, Lambda expressions), Collections framework, and Exception handling Self-starter with strong analytical and interpersonal skills and test-driven development experience DABAOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history.

We're already at step 30 — and moving faster than anyone else dares. Original Posting: September 15, 2026 For 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 $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and 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. 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 $17.2 billion for the fiscal year ended January 2, 2026. 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 here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com.

Commitment and Diversity 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.

• US Citizen with active Secret clearance, Bachelor’s degree + 4 years or Master’s + 2 years relevant experience (experience may substitute degree)
• 3+ years full-stack web application development, 2+ years with HTML, CSS, JavaScript (NodeJS), Angular, RESTful services, Java EE/Jakarta EE
• Experience with PostgreSQL/SQL, Object-Oriented Programming, Java EE features, and software requirements validation