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API Developer (Java / AWS / Microservices)

GreyMatter Solutions

Jersey City · On-site Full-time Mid Level Today

About the role

About

Hiring an experienced API Developer to support backend service development and large-scale integration initiatives within a healthcare technology environment.

This is a high-impact role focused on building scalable, high-performing APIs in a modern cloud-native architecture.

What You ll Be Doing:

  • Design, develop, and maintain RESTful APIs and backend services
  • Build scalable solutions using Java (Spring Boot)
  • Develop and deploy in AWS cloud environments
  • Partner with architects and engineering teams on integration strategies
  • Contribute to API standards, performance, and reusability
  • Work in an Agile/Scrum environment

What We re Looking For:

  • Strong experience with Java backend development
  • Proven background with APIs & microservices
  • Experience with AWS or cloud platforms
  • Exposure to JavaScript or TypeScript
  • Ability to work independently and solve complex problems

Nice to Have:

  • FHIR / Healthcare experience
  • CI/CD, API security, and integration patterns
  • Experience in enterprise-scale environments

Skills

AWSAPIJavaJavaScriptMicroservicesSpring BootTypeScript

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