Senior Java Developer

Leidos; United States; On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking an experienced Senior Java Developer to design, develop, and maintain healthcare applications and data integration solutions for NHSN. The role requires strong Java skills and hands-on HL7 CDA expertise to support public health surveillance and data exchange.

You must be a US citizen or Green Card holder located in the United States with ability to obtain Public Trust clearance. Responsibilities include implementing healthcare data interfaces, processing CDA documents,

Qualifications

• Bachelor's degree or equivalent experience.
• 8+ years of professional software development experience with Java.
• Hands-on with HL7 standards, especially HL7 CDA.
• Experience parsing, validating, transforming CDA XML.
• Experience designing interfaces between healthcare IT systems.
• Relational DBs, SQL, data mapping.
• Git, CI/CD, automated testing, Agile practices.
• Root-cause analysis of production integration issues.

Responsibilities

• Independently design and implement complex Java-based healthcare integration solutions.
• Interpret HL7 CDA specs to translate data requirements into designs.
• Troubleshoot data exchange, validation, and interoperability issues.
• Conduct code reviews and mentor junior/mid developers.
• Collaborate with healthcare SMEs, business analysts, QA, and stakeholders.
• Identify opportunities to improve architecture, maintainability and automated tests.

Skills

Java

HL7 CDA

RESTful APIs

XML processing

XML/XSD/XPath

CI/CD

Agile development

Problem analysis

Education

Bachelor's degree in CS/Software Eng/IT

Tools

Quarkus

Spring Framework

Git

Mirth Connect / Rhapsody / InterSystems

Azure cloud services

Job description

Description

Leidos is seeking an experienced Senior Java Developer to support the National Healthcare Safety Network (NHSN) Support program to design, develop, and maintain healthcare applications and data integration solutions supporting public health surveillance and healthcare data exchange.

Please be advised that during the interview, you will be required to keep your camera on, and your interviewer will be taking your picture for identification purposes if an offer letter is extended to you.

The ideal candidate will possess strong Java development skills and hands-on experience with HL7 healthcare interoperability standards, particularly Clinical Document Architecture (CDA). Responsibilities include implementing and maintaining healthcare data interfaces, processing and validating clinical documents, troubleshooting complex integration issues, and supporting application modernization initiatives.

The candidate will collaborate with technical teams, healthcare subject matter experts, and customer stakeholders to deliver reliable, scalable, and standards-compliant software solutions.

Be a US Citizen or Green Card holder currently located in the UNITED STATES for the current three consecutive years with the ability to obtain a Public Trust Clearance.

Job Responsibilities

• Independently design and implement complex Java-based healthcare integration solutions.
• Interpret HL7 CDA specifications and translate healthcare data requirements into technical designs.
• Troubleshoot complex data exchange, validation, and interoperability issues.
• Conduct code reviews and mentor junior and mid-level developers.
• Collaborate effectively with healthcare SMEs, business analysts, QA, and customer stakeholders.
• Identify opportunities to improve application architecture, maintainability, and automated testing.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field, with equivalent experience considered.
• 8+ years of professional software development experience, with strong proficiency in Java.
• Experience with Quarkus, Spring Framework, RESTful APIs, and enterprise application development.
• Hands-on experience implementing or supporting healthcare data exchange using HL7 standards, particularly HL7 CDA.
• Experience parsing, validating, transforming, and processing CDA XML documents.
• Strong knowledge of XML, XSD, XPath, and related XML processing technologies.
• Experience designing and implementing interfaces between healthcare information systems.
• Experience with relational databases, SQL, and data mapping/transformation.
• Experience with Git, CI/CD, automated testing, debugging, and Agile development practices.
• Ability to analyze complex technical problems and independently design and implement solutions.
• Experience implementing and troubleshooting Schematron rules for HL7 CDA document validation.
• Experience transforming CDA documents into target XML structures and validating output accuracy through automated XML comparison and regression testing.
• Experience performing root-cause analysis of production integration failures, analyzing application logs, database records, and implementing monitoring, health checks, and alerting.
• Ability to manage differences across CDA implementation guide versions and maintain backward compatibility as healthcare reporting requirements evolve.

Recommended Qualifications

• Experience interpreting and implementing HL7 CDA implementation guides and associated conformance requirements.
• Familiarity with Consolidated Clinical Document Architecture (C-CDA) and structured clinical documents.
• Knowledge of HL7 FHIR resources, REST APIs, and healthcare interoperability architectures.
• Understanding of clinical terminology, healthcare workflows, and electronic health record (EHR) systems.
• Experience integrating with EHR systems such as Epic, Oracle Health/Cerner, or other healthcare platforms.
• Familiarity with SNOMED CT, LOINC, ICD-10-CM, and other clinical coding systems.
• Experience with electronic public health reporting, including NHSN, electronic case reporting, or healthcare-associated infection surveillance.
• Experience with healthcare interface engines such as Rhapsody, Mirth Connect (NextGen Connect), or InterSystems.
• Experience with Azure cloud services, microservices, and containerized applications.
• Experience modernizing legacy healthcare applications or migrating healthcare interfaces to modern architectures.
• Experience using AI-assisted development tools to improve development efficiency, testing, and code quality.

Pay Range

Pay Range $107,900.00 - $195,050.00

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

• Competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

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 [e-mail].

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.