(healthcare), Senior Full-Stack Software Developer (Java+React), TSCM-43887 at eleks

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