Divya Sri Katta

Developed Java 17 and Spring Boot microservices with REST APIs, Spring Security, and Hibernate for real-time transaction risk evaluation, fraud detection, and compliance workflows. Engineered risk decisioning APIs with PostgreSQL query optimization and asynchronous processing, reducing transaction processing latency by 31%. Built React.js and TypeScript dashboards using Redux Toolkit and reusable components for fraud investigation, monitoring, and analytics. Integrated AI/ML risk scoring models via Python inference APIs, improving fraud detection accuracy by 27%. Designed distributed event-driven microservices with Spring Cloud, Apache Kafka, and Redis, and deployed on AWS EKS using Docker, Kubernetes, and Helm with autoscaling and resilient rollouts. Optimized backend performance with Redis caching and PostgreSQL indexing, reducing average API response latency by 35%. Automated CI/CD with Jenkins, Maven, Git, JUnit/Mockito, and SonarQube; implemented OAuth 2.0/JWT RBAC with audit logg

Built Java-based backend services using Spring Boot, Apache Kafka, Kafka Connect, and REST APIs to manage connector configurations, plugin lifecycles, and enterprise streaming integrations. Engineered Kafka Connect integrations using Source/Sink APIs, custom plugins, Single Message Transforms, and Schema Registry for reliable pipelines. Developed full-stack React.js/TypeScript administration interfaces to support connector provisioning, configuration validation, version management, and operational monitoring. Optimized Kafka Connect execution with partition assignment, asynchronous task processing, and offset management, reducing processing latency by 29%. Implemented custom transformations, schema validation, retry mechanisms, and Dead Letter Queues to improve successful message processing by 23%. Enhanced connector lifecycle automation with REST APIs and configuration validation, reducing deployment failures by 33%. Added observability using Confluent Metrics API, Prometheus/Grafana,

Developed Java and Spring Boot backend services with React.js/JavaScript interfaces for scalable e-commerce applications. Built order processing and inventory management services using Spring Boot, Apache Kafka, and MS SQL to enable asynchronous event processing and reliable transactional synchronization. Created responsive front-end experiences with React and REST integrations for product catalogs, search, and order tracking. Optimized Spring Boot REST APIs using SQL query tuning, caching, and asynchronous processing to target 30% lower response latency. Implemented CI/CD pipelines with Jenkins, Maven, Docker, and AWS EKS for Kubernetes-based releases. Integrated services with Kafka and REST for asynchronous order processing and inventory synchronization. Improved delivery through JUnit testing, code reviews, and Jenkins automation, aiming for 40% higher developer productivity and more consistent deployments.