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Java Engineer
Painter, Virginia  |  Remote
Contract Position
It appears that you have already applied to this job.
Applied on October 25, 2021
Job Id #50309 Posted September 2, 2021


  • The Senior FHIR/HL7 Java Engineer will come in as a FHIR/HL7 SME with deep hands on Java development experience.
  • They will work on clinical interoperability projects while adhering to engineering best practices.
  • These resources will also help drive long term improvements on processes and workflows.
  • They will ensure that all delivered solutions adhere to industry best-practices for scalability, maintainability, usability, availability, extensibility, security, and portability.
  • The Senior FHIR/HL7 Java Engineer will drive high quality solutions by implementing unit tests, driving continuous integration/validation, and supporting the creation and design of automation tests.
  • This position requires solid hands on FHIR/HL7 and Java experience of at least seven years in the Healthcare Payer domain. Knowledge of Intersystems IRIS is a big plus.
  • This is a fully hands on role. They will work across globally spread out scrum teams.

Required Qualifications

  1. BS in engineering, computer science or similar field of study.
  2. 8+ Years of hands on experience with Java, FHIR & HL7.
  3. 3+ Years of experience with Agile/Scrum.

Additional Qualifications

  • Hands-on experience on building interfaces for HL7 v2 messages and understanding of popular message structures like ADT, ORU, ORM, MDM, VXU, RSP
  • Strong knowledge and familiarity with CCD, C-CDA structure and specification
  • Strong understanding of HL7 v3 RIM objects
  • Hands on experience in building RESTful APIs for exchanging HL7 FHIR resources
  • Sound knowledge of coding standards and terminologies like LOINC, SNOMED, ICD10, HCPCS, RxNorm
  • Experience in integrating with EHR/EMR through APIs to exchange clinical data bidirectionally
  • Experience in implementing clinical solutions integrating with HIEs/Clinical data aggregators
  • Experience creating interface mapping documentation, coordinate and facilitated interface specification and testing
  • Strong hands-on experience in building APIs, Web services
  • Strong hands-on Java development experience with open-soure libraries, understanding of XML/JSON
  • Understanding/experience in implementing standard authorization techniques like OAuth2, JWT, Certificate based authentication
  • Experience/Familiarity on CICD tools and technologies, Git
  • Experience with data modeling, relational databases, data structures
  • Knowledge, skills, and experience to write detailed technical documentation, specifically business requirements, and functional specifications for application development
  • Familiarity with Cloud technologies for vendors like Azure would be a plus

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact

All applicants applying must be legally authorized to work in the country of employment.


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Horizontal is proud to be an Equal Employment Opportunity/Affirmative Action Employer providing a drug-free workplace.


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