ELEKS is looking for a Senior Full-Stack Software Developer (Java+React) in Argentina

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

WHAT YOU WILL GET WITH ELEKS

- Close cooperation with a customer
- Challenging tasks
- Competence development
- Ability to influence project technologies
- Team of professionals
- Dynamic environment with low level of bureaucracy

ABOUT

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D;, design, technology consulting and dedicated teams.

Benefits

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📌 Senior Full-Stack Software Developer (Java+React)Argentina, Buenos AiresSoftware Engineering, React, Java. (Buenos Aires)
🏢 Eleks
📍 Buenos Aires