Full Stack Developer

Description

Leidos is seeking a talented Full Stack Software Developer to join our National Healthcare Safety Network (NHSN) Support program. The developer will support the continued modernization of NHSN application from a legacy architecture to a modern, cloud-based architecture using React micro frontends and Java microservices.

The ideal candidate has 2+ years of software development experience, a solid foundation in Java and modern web development, and an interest in building and modernizing mission-critical applications in an Azure cloud environment. The candidate should be comfortable working collaboratively within an Agile development team and learning new technologies and development practices. This position provides an opportunity to work alongside experienced architects and developers while contributing directly to the modernization of a large-scale, mission-critical public health system.

Job Responsibilities

• Design, develop, test, and maintain full-stack application features using Java, React, and RESTful APIs.
• Develop and maintain React-based micro frontends and Java-based microservices in an Azure cloud environment.
• Support the modernization of legacy applications to modern microservices and micro frontend architectures.
• Develop new application functionality and resolve software defects throughout the software development lifecycle.
• Develop and maintain unit and integration tests and support increased use of automated testing.
• Participate in code reviews and follow established software development, security, testing, and documentation standards.
• Collaborate with Business Analysts, QA engineers, architects, technical leads, and other developers to understand requirements and ensure accurate implementation.
• Troubleshoot application, configuration, integration, and deployment issues across development and test environments.
• Support application deployments to pre-production and production environments.
• Create and maintain technical documentation for application features, interfaces, and configurations.
• Participate in Agile activities including daily team meetings, backlog refinement, planning, demonstrations, and retrospectives, as applicable.
• Participate in modernization and technical knowledge-sharing activities across the development team.
• Follow architectural and technical guidance and contribute to continuous improvement of development practices.
• Use approved AI-assisted development tools to support software development, testing, troubleshooting, and defect resolution.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline and 2+ years of relevant software development experience, or equivalent combination of education and experience.
• 2+ years of hands-on Java development experience with Java 17+ and React.
• Experience developing or consuming RESTful APIs.
• Experience developing applications in a cloud environment, preferably Microsoft Azure.
• Understanding of microservices architectures and modern application development principles.
• Experience with relational databases, such as Azure SQL.
• Experience with source control, code reviews, build processes, and software development tools such as Git, Azure DevOps, or comparable tools.
• Experience developing and executing unit tests using JUnit or comparable testing frameworks.
• Experience working within an Agile software development environment, such as Kanban, Scrum, or SAFe.
• Demonstrated troubleshooting, analytical, and problem-solving skills.
• Ability to work collaboratively within a cross-functional development team.
• Ability and willingness to learn new technologies and adapt to changing customer and technical requirements.

Preferred Qualifications

• Experience with Azure DevOps and GitHub, including Azure Boards, Repos, and CI/CD pipelines.
• Experience developing and deploying containerized applications using Docker and Kubernetes or Azure Kubernetes Service (AKS).
• Experience with micro frontend architectures.
• Experience with KendoReact and Quarkus.
• Experience modernizing or migrating legacy applications to microservices and/or cloud-native architectures.
• Experience with OAuth 2.0 or other modern authentication and authorization technologies.
• Experience using AI-assisted software development tools.
• Familiarity with healthcare IT concepts, terminology, interoperability standards, and/or HL7 FHIR.
• Previous experience supporting CDC, NHSN, or other federal healthcare applications.

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 3, 2026

Pay Range:

Pay Range $69,550.00 - $125,725.00

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.

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.

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