Rajendra D
Senior Java Developer @DaVita Kidney Care
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WORK HISTORY
Senior Java Developer @DaVita Kidney Care
EDUCATION
JNTUH College of Engineering Hyderabad
Bachelor's degree, Computer Science
ABOUT RAJENDRA D
Sr. Full Stack Developer with 6+ years of experience designing, developing, and deploying scalable enterprise applications. Proven success in modernizing microservices, optimizing system performance, and driving agile software delivery in healthcare and enterprise environments.At DaVita, contributed to critical modernization initiatives by upgrading microservices from legacy Java versions to Java 17, enhancing application security with OAuth and Keycloak, and integrating Kafka-based event streaming for real-time data processing. Skilled in developing RESTful APIs, implementing CI/CD pipelines, and containerizing applications using Docker and Kubernetes.Key StrengthsLanguages & Frameworks: Java 8/11/17, Spring Boot, Spring Security, Hibernate, JPA, Microservices ArchitectureDevOps & Cloud: Docker, Kubernetes, Jenkins, CI/CD, Maven/GradleWeb Technologies: Angular JS, JavaScript, HTML, CSSAPIs & Messaging: RESTful & SOAP Web Services, Kafka, SOADatabases: Oracle, SQL Server, PostgreSQL, MyBatisSecurity: OAuth2, Keycloak, CAS Authentication, JWTVersion Control & Agile Tools: Git, SVN, Jira, Confluence, Agile/ScrumProfessional HighlightsJava migration projects (Java 8 → 11 → 17), resolving compatibility and deprecated API issues across enterprise services.Implemented secure authentication flows using OAuth2 and Keycloak for multi-service user access.Developed and optimized RESTful APIs and microservices for internal applications used across DaVita’s clinical and analytics platforms.Improved monitoring and debugging with Kibana, Dynatrace, and Tableau dashboards.Collaborated with cross-functional teams in an Agile/Scrum setup, ensuring on-time and high-quality delivery.Open to New OpportunitiesPassionate about scalable design, clean code, and enterprise modernization.Currently seeking Java/Spring full-stack or backend roles where I can contribute to complex modernization, migration, and security-focused initiatives.
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