(healthcare), Senior Full-Stack Software Developer (Java+React), TSCM-43887, JR145, JR205

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


• Hands-on experience with Databricks for data processing and data engineering workflows


• Working frontend development skills — React, TypeScript, CSS; ability to contribute to UI features alongside backend work


• Experience with ARO (Azure Red Hat OpenShift) or equivalent container orchestration platforms


• Proficiency in CI/CD tooling — Jenkins


• Proficiency in Git including branching workflows, code reviews, and pull requests


• Hands-on experience with GitHub Copilot or other AI-based coding assistants


• Hands-on experience with developer tooling: IntelliJ IDEA, VS Code, Git, Chrome Developer Tools


• Solid communication and collaboration skills with ability to engage both technical and non-technical stakeholders

NICE TO HAVE

• Experience in the healthcare domain or regulated industry environments


• Deeper frontend experience with Redux, Webpack, and Microfrontend (MFE) architecture


• Familiarity with MuleSoft or API integration platforms


• Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, GCP)


• Understanding of DevSecOps practices and GitOps workflows


• Knowledge of code quality scanning tools such as SonarQube


• Working knowledge of Dynatrace for monitoring and observability


• Basic experience with NGINX and PCF/OpenShift


• UCD (UrbanCode Deploy), Insomnia


• Experience working in agile delivery teams — comfortable with estimation, sprint planning, and Jira

RESPONSIBILITIES

• Develop backend functionality for the enterprise time‑tracking platform


• Implement new features, enhancements, and integrations


• Optimize data processing, API performance, and backend logic


• Participate in refinement, planning, and technical discussions


• Collaborate with PM, Designers, QAs, and senior developers


• Investigate and troubleshoot production issues when needed


• Ensure code quality following engineering best practices


• Contribute to architectural decisions and propose improvements

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