- Developed microservices-based applications using Angular 4.0, Spring Boot, and Cassandra DB, contributing to high-performance Single Page Applications (SPA)- Implemented React.js and Redux for frontend development, utilizing NPM components and Axios service for efficient data retrieval- Developed and deployed microservices using Docker containers and AWS services (S3, ECS), incorporating OAuth 2.0 for security- Built robust CI/CD pipelines using Jenkins and Bamboo, ensuring seamless deployment and integration- Engineered real-time data processing solutions using Apache Kafka and Active MQ, enhancing system scalability and performance- Implemented comprehensive testing strategies using Karma, Jasmine, JUnit, and Spock, maintaining code quality and reliability

- Developed microservices architecture using React.js and Spring Boot, focusing on building responsive and isomorphic web applications- Built RESTful web services using Spring Boot and Spring Cloud, integrating Spring Security with OAuth 2.0 and OpenID Connect- Created and deployed microservices using Spring Cloud-Netflix OSS stack, implementing Ribbon, Hystrix, and Zuul with Eureka service registry- Implemented Redux framework architecture for state management and data integration with React-Native applications- Utilized Apache Kafka for asynchronous messaging between business applications, improving system reliability- Implemented automated testing using Mocha, Chai, Cucumber, and Selenium, ensuring high-quality code delivery- Implemented container-based deployments using Docker and Pivotal Cloud Foundry (PCF)

- Developed dynamic web applications using Angular JS (1.x), HTML5, CSS3, jQuery, and Bootstrap, implementing custom directives and reusable components- Built RESTful APIs using Spring REST and Jersey framework, with comprehensive documentation using Swagger2 API- Implemented Spring framework features including Spring Boot, Dependency Injection, Security, and JPA for robust backend development- Utilized Hibernate for database operations and complex queries with Oracle DB, implementing custom data access layers- Integrated AWS services for deployment and server management, ensuring scalable application delivery- Implemented automated testing using Karma and Jasmine, with continuous integration through Jenkins

- Developed Single Page Applications (SPA) using AngularJS, Backbone.js, and Spring MVC, creating responsive and interactive user interfaces- Built RESTful services using Spring REST and Jersey framework, implementing Spring Security for authentication and authorization- Implemented Spring Batch processes for financial reporting applications, utilizing Active MQ and JMS for message broker services- Created SOAP web services using JAX-WS and Mule ESB, integrating with Hibernate and JPA for data persistence- Established CI/CD pipeline using Jenkins and GitHub, deploying applications to Pivotal Cloud Foundry (PCF)- Performed comprehensive testing using Protractor for end-to-end testing and Selenium with Cucumber for integration testing

- Developed enterprise web applications using JSF PrimeFaces, HTML5, CSS3, and jQuery, ensuring enhanced user interfaces- Implemented data persistence using Hibernate and JPA frameworks, creating efficient database operations and mappings- Built SOAP web services using JAX-WS framework, integrating with Spring Batch for POJO-based development- Utilized Spring Security for authentication and implemented AOP for cross-cutting concerns- Developed unit test cases using Jasmine and Karma, ensuring code quality and reliability- Configured and deployed applications on Glassfish server, using Maven for build automation and Jenkins for monitoring