Java Full Stack Developer at Human Resource & Health Service

Designed and developed cloud-native Java Spring Boot microservices using Spec-Driven Development (SDD). Led Apollo Gateway implementation to unify backend services into a federated GraphQL endpoint. Built Section 508 and WCAG 2.1 AA accessible web components (ARIA, keyboard navigation, assistive technology compatibility). Implemented healthcare interoperability solutions using HL7 messaging to integrate pharmacies, referral providers, laboratories, insurance systems, and external vendors. Developed enterprise GraphQL APIs using Apollo Server (schemas, resolvers, mutations, subscriptions). Created reusable technical specifications, API contracts, service blueprints, and AI prompt templates to improve consistency across distributed microservices. Built automated API and end-to-end tests for service reliability, and applied Spring transaction management with AOP concepts. Integrated microservices using Apache Camel and RabbitMQ; configured Hibernate with Oracle for database operations.

Java Full stack Developer at T.Rowe Price

Architected and developed enterprise responsive web applications with accessibility and UX focus. Followed SDD lifecycle and produced service specifications and component interaction models. Led UI/UX engineering with reusable, mobile-first components aligned to enterprise design systems and accessibility standards. Built REST/GraphQL APIs and orchestration layers consolidating data from multiple backend systems. Implemented messaging with Apache Kafka. Integrated services with backend systems and third-party APIs using platforms such as Apigee and Azure API Management for lifecycle management and security. Used Oracle and Hibernate/JPA for persistence, plus high-volume PL/SQL stored procedures. Developed Spring MVC components (controllers, validators, request mappings) and integrated disparate clients via Apache Camel. Used CI practices and build scripts; environment included WebSphere, AWS, messaging (JMS), and MongoDB with stored procedure work and debugging.

Java Full Stack Developer at T. Rowe Price

Architected and developed responsive, accessible enterprise web applications with reusable UI components aligned to enterprise design systems. Produced service specifications, sequence diagrams, and component interaction models following the SDD lifecycle. Implemented Section 508/WCAG 2.1 AA accessible components. Built REST/GraphQL APIs and JSON schema integrations, including data aggregation/orchestration into unified GraphQL responses. Used Kafka for messaging between APIs and microservices. Integrated Apigee and Azure API Management for API lifecycle management, security, and analytics. Implemented persistence using Hibernate/JPA with Oracle; developed controllers and validators with Spring MVC and secured applications with Spring Security. Developed integration modules using Apache Camel; delivered improvements with mobile-first UI/UX engineering and accessibility testing.

Java Full Stack Developer at Southwest Airlines

Worked across Agile SDLC (Scrum) covering requirements, design, development, and testing. Developed application layers using Spring MVC, JSP/JSTL, AJAX, Hibernate, and Spring Boot; implemented security via Apigee features such as OAuth/JWT. Created TypeScript reusable components in Angular and consumed REST APIs via component-based architecture. Produced unit and functional tests using Karma/Jasmine. Managed build and CI pipelines with Maven/Jenkins, wrote and maintained Docker/Kubernetes-related deployment components, and used Terraform for infrastructure automation where applicable. Designed and implemented MySQL stored procedures, functions, triggers, and cursors; updated API documentation using Swagger. Used Terraform to create/update environments and supported deployment through Cloud Foundry and Kubernetes.

Java Full Stack Developer at USAA

Delivered full-stack features in an Agile/TDD environment using Java and Spring technologies with JSP/HTML/JavaScript on the front end and Hibernate/Spring MVC for back-end logic. Built Angular single-page applications with TypeScript-based components and services to consume REST services. Implemented security using Apache Shiro/Bourne Castle Shiro and ensured accessibility and validation in UI flows. Developed routing frameworks using Apache Camel and collaborated with teams to ensure compliance with architecture standards. Added CI/CD automation using Maven/Git/Jenkins and supported production deployments on Tomcat. Implemented messaging interactions (RabbitMQ AMQP/JMS with ActiveMQ), Docker image workflows, and Kubernetes deployment automation. Used logging/testing tools including JUnit/Mockito and Log4j with debugging support.

Java Developer at AppCloud Software Sol, Hyderabad, India

Developed and debugged multi-user J2EE applications using Java, JSP, Servlets, and RESTful Web Services. Built UI features using JavaScript, AJAX, Bootstrap, jQuery, CSS, and HTML. Used SOAP-based web services (JAX-WS/JAXB) to integrate systems such as credit card and address verification. Wrote classes and error-handling logic for maintainability. Interacted with databases using AS400 and SQL, and created PL/SQL triggers/functions/procedures to support data operations. Tracked progress and issues via JIRA and participated in SDLC phases from requirements through implementation and maintenance.

Java Developer at Beehyv Software Solutions, India

Translated functional specifications into business solutions. Participated in requirements gathering and collaborated on database table design (Oracle) and GUI prototypes. Authored use cases and UML diagrams (class/sequence/activity) using Rational Rose. Built front-end data-driven interfaces using JSP, HTML, Tiles, JavaScript, JSP tag libraries, and CSS. Developed JDBC layer with complex SQL and PL/SQL, wrote and executed SQL/PL-SQL programs for data retrieval, and built REST-based microservices using Spring. Implemented design patterns (MVC/DAO/singleton), multithreading, collections, and Hibernate DAOs for Oracle operations. Authored unit tests using JUnit and used Log4j for monitoring; worked with GlassFish/Tomcat and IDEs (NetBeans/Eclipse).