Rayavarapu Jayanth

Experience

1. Senior Java Developer

   Cigna Healthcare

   Oct 2022 — Present · Phoenix, AZ, US

   Designed and developed Java microservices using Spring Boot and Spring Cloud to process healthcare data, enabling real-time analytics.• Built and optimized RESTful APIs with Spring MVC, integrating with third-party healthcare platforms for seamless data exchange.• Collaborated with data scientists to deliver processed datasets using Java and Pandas for machine learning model development.• Implemented secure coding practices with Spring Security and OAuth2, ensuring compliance and data protection in Java applications.• Integrated Azure services (Data Lake Storage, Azure SQL, Azure Functions) into Java applications, improving scalability by 30%.• Automated Java data workflows with UNIX shell scripting, reducing manual processing time by 25%.• Monitored and troubleshot Java applications using Azure DevOps and Git for CI/CD, achieving 99.9% reliability.• Mentored junior developers, conducted code reviews, and contributed to Java architecture decisions in Agile sprints.• Developed Tableau dashboards integrated with Java applications to present healthcare metrics to stakeholders.• Used Apache Kafka for real-time data streaming in Java applications, streamlining data integration.• Designed RESTful APIs with Spring MVC to integrate external data sources, enhancing data accessibility.• Optimized database queries in PostgreSQL and MySQL using Spring Data JPA, reducing execution time by 20%.• Deployed Java applications in Docker containers on Azure, ensuring consistent environments across development and production.• Conducted statistical analysis on healthcare data using Java and Pandas for predictive insights.• Built machine learning data pipelines with Java and Scikit-Learn, supporting predictive analytics for patient outcomes.• Managed large-scale datasets with Java and Pandas, enabling efficient data manipulation and retrieval.

Education

• KL University

  Bachelor's degree, Computer Science

• Kennesaw State University

  Master's degree, Computer Science