Java Web Application Developer

Leidos LLC; Alexandria (VA); Remote; USD 87,000 - 157,000; Full time

Job summary

Leidos LLC is seeking a Java Web Application Developer to design, build, test and maintain full‑stack web applications for defense users. The role supports a team of engineers to meet operational requirements, validate requirements, and implement automated tests.

Required are strong Java EE/Jakarta EE skills, experience with SQL/PostgreSQL, and front-end tech like HTML/CSS/Angular. The position allows remote work from Alexandria, VA area and requires a Secret clearance.

Qualifications

• US citizen with active Secret clearance
• Bachelor’s degree with 4+ years of relevant experience or Master’s degree with 2+ years of relevant experience
• 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

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

Skills

HTML

CSS

Java

RESTful services

Angular

NodeJS

JDBC

PostgreSQL

Object-Oriented Programming

Java EE/Jakarta EE

Education

Bachelor’s degree

Master’s degree

Tools

HTML

CSS

Java EE/Jakarta EE

PostgreSQL

SQL

Job description

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

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.

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 [e-mail].

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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Leidos Mission

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.

Posting Information

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.