I have developed enterprise-level applications using Spring MVC, IoC, AOP, and Hibernate for scalable backend systems, and built dynamic web apps with Core Java, JDBC, JSP, Servlets, and web services. I applied design patterns like Singleton, Factory, and DAO for maintainable architectures. I’ve created and tested RESTful APIs with Express Router and MongoDB, validated services with SOAP UI, and designed UIs using JSP, JSF, AJAX, JavaScript, HTML, and CSS. I’ve also built responsive user interfaces with Angular 9/11 and automated front-end tasks using Gulp. My experience includes microservices architecture with Spring Boot and AWS CloudFormation, managing NoSQL databases, and deploying applications in OpenShift and AWS environments.

I actively participated in all phases of the Software Development Life Cycle (SDLC), from gathering and analyzing requirements to design, development, and modeling. I developed online applications utilizing Core Java, Multithreading, JDBC, JSP, Servlets, and Web Services, ensuring robust and efficient solutions.I implemented design patterns such as Singleton, Factory, and Data Access Object (DAO) to meet specific application needs. Additionally, I built and tested RESTful web services for loading JSON files into databases, using SOAP UI for validation. My work included developing Spring Boot applications within a microservices architecture, focusing on code implementation, artifact building, and dependency management.Configuring and managing OpenShift clusters was also a key responsibility, where I defined deployments, pods, services, and routes to facilitate seamless application deployment. I established CI/CD pipelines in OpenShift and designed asynchronous RESTful microservices using Spring MVC API and Spring Boot, allowing for efficient internal communication between services.I monitored service health with the Spring Boot Admin Console and Swagger UI, ensuring reliable performance. For front-end development, I designed dynamic, cross-browser compatible web pages using HTML, CSS, jQuery, and JavaScript, and utilized React.js to develop user interfaces, optimizing component lifecycles for performance and effective state management with React's Context API and Redux.Additionally, I gained hands-on experience with Amazon Web Services (AWS) such as EC2, S3, CloudWatch, and Lambda, leveraging automation tools like Chef and Puppet for configuration management. I adhered to Test-Driven Development (TDD) practices and conducted unit and integration testing with JUnit, fostering an Agile development environment.

I played a crucial role in the design and development of modern web applications and enterprise solutions. Utilizing Spring Boot, I built scalable applications employing core modules such as Spring Core, AOP, MVC, Batch, IoC, and Security, while leveraging Maven for build automation within the Spring Tool Suite (STS) IDE. I designed the data layer in Spring MVC with JPA, using Hibernate ORM for seamless database operations on Oracle.In collaboration with stakeholders, I analyzed business requirements and developed comprehensive technical design specifications, guiding the development process. My proficiency in Java 8 features, including Streams, Lambda expressions, Functional interfaces, and Optionals, significantly enhanced application functionality.I was instrumental in building an Agent Portal using contemporary web technologies such as HTML5, CSS, LESS, AJAX, and React.js, which was integrated with a Node.js server-side implementation. I engineered a robust React Redux application that optimized state management through a centralized store, improving performance via React’s Virtual DOM. Additionally, I developed Single Page Applications (SPAs) with React Router, ensuring seamless navigation integrated with RESTful APIs.My expertise also extended to Angular development, where I created Angular 2/4 applications, integrating them with Spring MVC for data access and presentation. I implemented Spring AOP for logging and monitoring, enhancing the transparency and performance of applications.I played a key role in the architectural decisions for the front end, utilizing NgRx and Angular Material 2, while automating UI testing workflows with Selenium to ensure consistent quality assurance. I designed and implemented secure RESTful web services using Spring with OAuth authorization, ensuring controlled access.Throughout my tenure, I leveraged AWS services for scalable cloud solutions,

I contributed to the design and development of enterprise-level applications utilizing advanced Java and J2EE technologies. I implemented various design patterns, including Singleton, Factory, and J2EE patterns such as Business Delegate, Session Facade, Value Object, and DAO, to ensure efficient and scalable system architecture.I leveraged the Spring Framework’s IoC (Inversion of Control) for dependency injection, utilizing the Service Locator design pattern to inject service objects into action classes, enhancing modularity and testability. Working extensively with Struts tag libraries, I created responsive JSP pages and developed controller servlets to manage request dispatching.In this role, I worked on the development of J2EE applications with technologies like Spring, Struts, Hibernate, Servlets, WebLogic, WebSphere, and JSP. I employed Jenkins as a build tool to streamline the CI/CD process, ensuring smooth continuous integration and deployment.I also managed front-end dependencies for Angular 2, TypeScript, and Jasmine using Node.js, and developed Java applications on both the client and server sides, utilizing JDBC and multithreading techniques to optimize performance. I worked with Spark Streaming to retrieve log messages from Kafka, providing real-time data processing.In the cloud environment, I provisioned computing and data resources on AWS EC2 instances, installed Pivotal Cloud Foundry (PCF) on EC2 to manage containers, and deployed Dockerized Spring Boot microservices using Amazon EC2 container services and AWS Admin Console. Additionally, I excelled in designing and developing microservices with Spring Boot, integrating coherence cache to improve performance.On the front end, I developed user interfaces with HTML5, CSS3, JavaScript, and Bootstrap, integrating them with a Java-based backend. I worked extensively with Java 8 features, such as lambda expressions, parallel collection operations, and the new Date-Time API,

I played a key role in architecting and developing enterprise-level applications designed to improve business operations and enhance efficiency. I collaborated with business stakeholders to gather requirements and convert them into high-performance, scalable solutions that met strategic objectives.I utilized UML and Rational Rose to create detailed Use-Case, Class, and Object Diagrams, adhering to object-oriented analysis and design (OOA/OOD) best practices. I also designed comprehensive ER and UML diagrams to clearly outline system architecture and process workflows, ensuring accurate and efficient execution.By employing the Struts Framework, I implemented the Model-View-Controller (MVC) pattern to create dynamic, user-focused interfaces using JSP, JavaScript, CSS, and HTML. Through the application of design patterns such as Singleton and Factory, I ensured the system’s architecture remained scalable, adaptable, and easy to maintain.I integrated asynchronous messaging via JMS, automating processes such as email notifications to streamline client communication. Additionally, I built business logic components using Enterprise JavaBeans (EJBs) and Session Beans, deploying these on WebLogic application servers to ensure smooth backend functionality and integration.A significant focus of my role was enhancing security by implementing authentication and authorization mechanisms using Spring Security and OAuth, providing a secure framework for user access control. On the client side, I improved the interactivity and responsiveness of applications by integrating AngularJS and Backbone.js.In this role, I worked extensively with technologies such as Java, EJB, JSP, Struts, Hibernate, SOAP Web Services, WSDL, AngularJS, and Unix platforms, including Solaris. My efforts were integral in delivering secure, scalable, and efficient enterprise solutions that met the diverse needs of clients.

I played a pivotal role in designing and developing robust, scalable enterprise applications that streamline business processes and improve operational efficiency. I worked closely with business stakeholders to gather requirements and define detailed system specifications, translating them into high-performance, maintainable solutions.My responsibilities included utilizing UML and tools like Rational Rose to create Use-Case, Class, and Object Diagrams, supporting object-oriented analysis and design (OOA/OOD). I developed comprehensive ER and UML diagrams to document system architecture and workflows.Leveraging the Struts Framework, I implemented the Model-View-Controller (MVC) architecture, where I built dynamic user interfaces using JSP, JavaScript, CSS, and HTML. I also applied design patterns such as Singleton and Factory to ensure code scalability and maintainability.I was responsible for implementing asynchronous messaging using JMS, automating processes such as email notifications and improving client communication. Additionally, I developed business logic components using Enterprise JavaBeans (EJBs) and Session beans, deploying them on WebLogic servers for seamless backend operations.Security was a key focus of my role, where I implemented robust authentication and authorization mechanisms using Spring Security and OAuth, ensuring secure access control. I also integrated AngularJS and Backbone.js to enhance the interactivity and responsiveness of client-side applications.In this position, I utilized a wide range of technologies, including Java, EJB, JSP, JavaScript, Struts, Hibernate, SOAP Web Services, and AngularJS, working in a Unix environment with platforms such as Solaris. My contributions were essential in delivering secure, efficient, and highly scalable enterprise solutions for our clients.

As an experienced Java Developer specializing in e-commerce integrations, I focus on optimizing performance, ensuring data processing efficiency, and delivering high-quality solutions on AWS cloud platforms. With a strong background in Spring Data JPA, I ensure seamless data access and management while working extensively with MySQL relational databases to store and manage application data.