Elsevier
Backend API’s and Integrations Software Engineer III
Philadelphia, PA, USA · Mid
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Sponsors, but it's cap-subject — you still face the weighted lottery (~30% per draw at Level II). Good if you win; have a cap-exempt backup on your list.
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Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
The bottom of this range ($78,800) is below the Level I prevailing wage of $91,874. An H-1B cannot be filed below the prevailing wage, so an offer at the floor of this band could not be sponsored as posted.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $113,859 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Philadelphia-Camden-Wilmington, PA-NJ-DE-MD. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- You will focus on Kong API Management, backend API lifecycle (setup, testing, maintenance), HL7 FHIR, and enterprise integrations, primarily using Java and JavaScript.
- The ideal candidate has solid network fundamentals, can work comfortably with YAML (for declarative configs and pipelines), and thrives in pragmatic, production-oriented engineering-no frontend development in this space.
- It combines a massive curated medical knowledge base with conversational AI so clinicians can ask questions in natural language and get concise, clinically relevant responses backed by real scientific evidence.
Responsibilities
- Design & Build Distributed Services
- Building and maintaining a FHIR data facade that maps internal domain data to FHIR resources (read/search/transform), ensuring correctness and performance.
- Developing backend integrations with downstream systems (REST, gRPC, messaging/queues) and handle schema/contract evolution.
- Owning the API lifecycle: design (OpenAPI), implementation, automated testing (unit/integration/contract), versioning, and SLO-driven operations.
Requirements
- 3+ years of Professional Experience in backend software engineering.
- working proficiency in JavaScript/Node.js.
- familiarity with FHIR resource modeling and transformations (e.g., Patient, Observation, Encounter).
Nice to have
- Implementing resilient, observable microservices and integration components (Java preferred
- Node.js/JavaScript where appropriate).
- We know your well-being and happiness are key to a long and successful career.
Compensation
- $78,800 - $131,300.
- Geographic differentials may apply in some locations to better reflect local market rates.This job is eligible for an annual incentive bonus.
Benefits
- About the team, this team is building a generative-AI-powered clinical decision support tool designed specifically to help healthcare professionals quickly find trusted, evidence-based answers at the point of care.
- We are delighted to offer country specific benefits.
- Click here to access benefits specific to your location.
Company info
- We are committed to providing a fair and accessible hiring process.
Equal opportunity
- EEO Know Your Rights.
- If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.
Visa & Work Authorization
- are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientat
This listing is sourced directly from Elsevier's careers page and normalized into a canonical job model.