Sai Kalyan

Sr. Java Full Stack Developer at Wells Fargo

Developed the primary Dashboard module using Angular (14/15/17), creating reusable UI components to visualize rule statuses, pending approvals, and analytics. Built a dedicated configuration module to manage rule types and configuration metadata. Implemented the core business logic with Spring Boot, secured APIs with JWT/OAuth2, and built Spring Batch jobs for nightly rule synchronization and archiving. Implemented service-to-service communications with Spring Cloud (Eureka, Feign) and centralized routing via Spring Cloud Gateway. Created a Kafka producer/consumer pair to publish rule-approval events and process downstream updates. Used Spring Data JPA/Hibernate with Oracle and MongoDB for data persistence. Containerized services with Docker and deployed to AWS ECS Fargate and EKS, with CloudWatch/X-Ray for monitoring.

Sr. Java Full Stack Developer at Centene

Developed interactive dashboards using Angular 12+ and NgRx; built a configuration module; implemented dynamic modals/dialogs with Reactive Forms; integrated front-end with backend services via REST; utilized Java 11 Streams and parallel processing for criteria evaluation. Built core Spring Boot microservices for eligibility, rule evaluation, provider credentialing, and authorization; added RabbitMQ for asynchronous events; documented APIs with Swagger/OpenAPI; persisted data in Oracle/PostgreSQL and MongoDB; automated CI/CD with Jenkins and Docker; deployed to Amazon EKS with CloudWatch/X-Ray monitoring.

Java Full Stack Developer at Lowe's

Built interactive product listing and cart experiences using ReactJS; developed internal dashboards with NgRx; implemented responsive UI with HTML5/CSS3/Bootstrap. Integrated React front-end with backend services via Axios, enabling real-time updates and microservice interaction. Optimized performance with code-splitting and caching. Implemented Spring Boot-based backend services for product, catalog, and order systems, secured with Spring Security JWT. Built Spring Batch jobs for nightly catalog sync, pricing, and inventory reconciliation; orchestrated with Kafka and RabbitMQ for event-driven flows; containerized with Docker and deployed on Kubernetes; Azure VM-based testing environments used during migration; CI/CD with Jenkins.

Java Developer at American Airlines

Developed customer-facing loyalty configuration modules using Angular 12+, implementing services, dependency injection, and reactive forms for real-time eligibility and tier-qualification settings. Secured loyalty APIs with Spring Security (JWT/OAuth2). Built RESTful microservices for loyalty programs and integrated Node.js/Express middleware to streamline Siebel integrations. Implemented Spring Batch jobs for tier recalculations and large-scale data synchronization; leveraged Kafka for event-driven flight activity and loyalty workflows; persisted data in Oracle and MongoDB; containerized services and deployed via CI/CD pipelines.