Sai kumar

RDM (Reference Data Management) – a centralized platform for ingesting, normalizing, and consolidating financial data from multiple vendors like Bloomberg, Aladdin, and SEDOL to produce a golden copy for enterprise systems. Designed and implemented Spring Boot microservices with REST APIs and Kafka integration for data ingestion and consolidation. Built multi-threaded pipelines to process large vendor files via SFTP, improving throughput by 30%. Developed a config-driven normalization engine and vendor priority rules framework for consistent golden copy generation. Integrated Kafka-based event streaming for real-time data publishing and downstream synchronization. Enhanced system performance through SQL tuning, batching, and caching, reducing data latency by ~25%. Mentored a team of 6 developers, conducted design/code reviews, and led Agile ceremonies for on-time sprint delivery.

Developed centralized systems for the Dimensional Weighing System (DWS) modernization project — replacing local workstations with cloud-ready microservices to capture and distribute package data to billing and visibility systems. Developed and deployed Spring Boot microservices for secure RESTful communication with DWS scanners. Implemented ActiveMQ-based asynchronous processing, improving request handling efficiency by 40%. Led containerization on OpenShift, enabling automated scaling and high availability for core services. Integrated monitoring dashboards with Prometheus and Grafana, reducing mean time to recovery (MTTR) by 35%. Automated CI/CD workflows via Jenkins, Docker, and Maven, cutting release cycles from weeks to days. Collaborated with cross-functional teams to design AWS S3 integration for storage and retrieval of package data.

Delivered scalable web applications supporting Verizon’s network management and customer engagement platforms. Migrated legacy AngularJS apps to Angular 5, improving UI performance and maintainability. Designed reusable components and services using TypeScript and Spring Boot REST APIs. Implemented CI/CD pipelines in AWS using Jenkins and CodePipeline for faster deployments. Built dynamic dashboards with JavaScript and Bootstrap, enhancing customer experience KPIs

Worked on Java backend development for digital service applications, handling feature enhancements, bug fixes, and API development. Developed modules using Core Java, JSP/Servlets, and Spring MVC. Created APIs for internal data exchange. Handled production support and debugging activities. Participated in deployments and documentation.