Ceraphin Daisy Jeromiyas

Sr Full Stack Developer @Progressive Ozark Bank

US

1)Designed, developed, and deployed scalable microservices using Spring Boot and Java 17, followingAgile (SCRUM) practices. 2)Migrated legacy applications to Java 17, improving performance, scalability, and long-term maintainability.3)Built and optimized RESTful APIs using Spring Boot and JAX-RS (Jersey) with secure OAuth 2.0authentication.4) Implemented event-driven microservices using Apache Kafka, customizing producers and consumersfor high-throughput messaging. 5)Leveraged Java 17 features including Lambda expressions and functional programming to improve code quality and readability.6) Deployed and managed applications on AWS EC2 and S3, ensuring reliable and scalable cloudinfrastructure. 7)Monitored application health and performance using AWS CloudWatch, enabling proactive alerting and issue resolution.8) Designed efficient data models using Spring Data JPA, SQL, and ORM-based POJOs for optimizeddatabase access.10) Improved database performance by creating optimized tables, indexes, and stored procedures,reducing response times.11) Automated build and dependency management using Maven, ensuring consistent deployments across environments. 12)Collaborated with team members to adopt AI supported coding best practices and standardized patterns recommended by Copilot.13) Built and maintained CI/CD pipelines using Jenkins, supporting continuous integration and delivery. Containerized and deployed J2EE applications using Docker and Kubernetes for scalable, resilientdeployments.14)Integrated Node.js applications with front-end technologies (HTML5, CSS3, RxJS) and manageddependencies via NPM. 15)Collaborated with cross-functional teams using Git and Jira, supporting version control, sprint planning,and release management.

Annamalai University

Masters of Computer Science