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(Healthcare), Senior Full-Stack Software Developer (Java+React), Tscm-43887, Jr145

Company: Eleks

Location: buenos aires, London

Posted: June 03, 2026

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Position Details

ELEKS Software Engineering & Development Office is looking for a Senior Full-Stack Software Developer (Java+React) based in Buenos Aires for a hybrid position: 2–3 days per week onsite at our local office, with the remaining days remote.

Working hours: 10:00 AM – 6:00/7:00 PM ART.

ABOUT PROJECT

The client is among the top‑5 health insurance companies in the US. They are dedicated to expanding access to high‑quality, cost‑effective health care and equipping their members with information and tools so they can make the best health care decisions for themselves and their families.

REQUIREMENTS

  • 5+ years of professional experience in Java backend development
  • Strong proficiency in Java with hands‑on experience in Spring Boot 3.x
  • Solid experience designing and building REST APIs consumed by multiple downstream systems
  • Solid understanding of REST API design, authentication, authorization, and web security principles <...