Job Description

BLH Technologies, Inc., an award-winning company specializing in public health, communications, technology, and safety monitoring solutions for Federal and commercial clients, is seeking a DEVELOPER/PROGRAMMER to support Federal clients, including those within the National Institutes of Health (NIH). The DEVELOPER/PROGRAMMER will work in cooperation with our clients to develop the following: a metadata database and search user interface, a metadata form entry system, documented metadata schema transforms for NIH repositories, and integrating with existing systems, architecture, processes, and security protocols.

DUTIES

• Author and validate serializations of the client data model and metadata application profile
• Working with the client data model serializing it into various formats to be determined (e.g., JSON-LD, RDF/XML, SHACL, etc.) for validating and testing
• Develop, test, and refine metadata entry and mediation forms that include linking entries to controlled vocabularies
• Develop transformational metadata crosswalks and pipelines to facilitate the ingestion of descriptive metadata from select repositories
• Competency in various schema/data formats and competencies in writing transforms (e.g., XSLT, XQuery, etc.)
• Experience setting up cloud-based metadata storage backend to accommodate RDF data (e.g., triplestore)
• Develop, test, and refine Search Graphical User Interface (GUI)
• Prior experience in implementing search/analytics on RDF data

QUALIFICATIONS

• Bachelor's degree in Computer Science, Information Technology, Mathematics, or a related field is preferred
• Minimum of 5 years' full-time experience performing similar tasks
• Previous experience with large, complex databases, form-entry systems, metadata, and integration of software technologies
• Previous experience with federal government support preferred

KNOWLEDGE AND SPECIAL SKILLS

• Proficient in semantic web technologies, including:
  • Resource Description Framework (RDF)
  • SPARQL Protocol and RDF Query Language (SPARQL)
  • Web Ontology Language (OWL)
  • Simple Knowledge Organization System(SKOS)
  • Compatible database technology (e.g. RDF triplestores)
• Strong communication skills (written, oral, and interpersonal)
• Must be extremely detail-oriented
• Must be a critical thinker with ability to assimilate and convey complex information in plain language, tailored to different audiences
• Ability to multitask and set priorities to meet deadlines