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Kasmo Inc

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Backend Java API Developer

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Summary

Long-term contract role building and maintaining Java/Spring Boot REST APIs and microservices with PostgreSQL and AWS/Azure for healthcare client Humana. Candidates need ~10 years of experience and work hybrid/onsite from Louisville, Dallas, Chicago, or Washington DC (Arlington).

Job Description

Job Description

Position: Backend Java API Developer
Client: Client/ Humana
Locations: Louisville, KY | Dallas, TX | Chicago, IL | Washington, DC (Arlington) (Onsite/ Hybrid)
Work Arrangement: Hybrid
Experience: 10 Years
Duration: Long-Term Contract

Required Skills:

  • Strong experience with Java
  • Spring Boot
  • REST APIs / RESTful Services
  • Microservices Architecture
  • API development and integration
  • Strong experience with SQL / PostgreSQL
  • Experience with Node.js is a plus
  • Cloud experience with AWS / Azure
  • CI/CD and DevOps practices
  • Strong troubleshooting and debugging skills
  • Experience designing and developing scalable backend applications

Responsibilities:

  • Design, develop, and maintain Java-based REST APIs and microservices.
  • Develop scalable and high-performance backend applications using Java and Spring Boot.
  • Integrate APIs with internal and external applications.
  • Work with databases including PostgreSQL/SQL.
  • Collaborate with frontend developers, architects, and business teams.
  • Participate in code reviews, testing, deployment, and production support.
  • Follow Agile development and CI/CD practices.

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