Application Developer, Java, JavaScript – Full-Stack

This is a fully remote position, open to applicants in Alabama, +30 more locations.

📋 Description

• Develop ingestion connectors for CHPL, Service Base URL Lists, developer-published FHIR Bundles, Lantern, and other approved public sources.

• Maintain raw artifacts, timestamps, request metadata, response headers, and hashes.

• Standardize records into the project's unified data model in DynamoDB, following lineage and source-of-truth precedence rules.

• Implement publication checks and categorize failures in endpoint availability.

• Create secure, non-authenticated endpoint monitoring for metadata and CapabilityStatement retrieval.

• Identify endpoint drift as endpoints are added, removed, relocated, or altered.

• Execute FHIR R4 validation on Endpoint, Organization, and Bundle resources.

• Assemble evidence case packages containing source metadata, request and response logs, validation outputs, severity, and rule traceability.

• Assist in deduplication, clustering, and exporting to government-designated systems.

• Design scheduling, retry and backoff mechanisms, rate limiting, error handling, and audit logging.

• Ensure test runs are replayable for evidence-case reviews.

• Develop unit and integration tests, including stubs and mock endpoints for failure scenarios.

• Engage in code reviews and maintain technical documentation.

• Ensure code does not request, collect, or store patient data, PHI, credentials, or tokens unless explicitly authorized by the Government in writing.

• Collaborate with the Technical Lead, AI/Engineering Lead, Senior Systems Engineer, and Project Manager.

⛳️ Requirements

• Over 5 years of experience in Java (17+) development, including concurrency and networked services.

• More than 3 years of experience with Spring Boot or a comparable framework.

• At least 2 years of experience in JavaScript/Node for tooling and front-end development.

• Over 4 years of experience in building REST APIs and working with JSON.

• More than 3 years of practical knowledge of HTTP and TLS fundamentals.

• At least 3 years of experience with the AWS SDK, DynamoDB data modeling, and S3.

• More than 2 years of experience in building and running containerized services.

• Over 4 years of experience with automated testing (JUnit, integration tests).

• More than 3 years of experience in code review and technical documentation.

• At least 1 year of experience in building with LLM APIs or utilizing AI coding assistants in development, including testing and validating AI-generated output.

• Must be authorized to work in the United States.

🏝️ Benefits

• 401(k) with company matching.

• PTO that increases with tenure.

• Health, Vision, and Dental coverage.

• Company-paid Life Insurance and optional Voluntary Life Insurance.

• Short Term and Long Term Disability benefits.

• Reasonable accommodations available for applicants with disabilities.