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Click here or scroll down to respond to this candidateREVATI NAGAMEMAIL AVAILABLEFull Stack Java developerPHONE NUMBER AVAILABLEPROFESSIONAL SUMMARY:Having 12+ years of experience in Object-Oriented Analysis & Designing (OOAD), Developing with strong Java/J2EE programming background developing Web base application using Agile methodologies practices.Expertise in Collections, Threading, Generics, Enumerations, Annotations, and Apache Utility Classes like String Utile solid experience in Object Oriented Programming and Design.Experience in developing applications using MVC model, Struts, spring 4, Rest, Spring Security, Spring Web Flow, Hibernate and JPA.Have a experience on upgrading the project from JDK1.8 to JDK17.Extensive experience and implementation skills in Core Java, Servlets, JSP, JDBC, JNDI, Hibernate, Spring Framework, Spring MVC, Spring AOP, Spring Batch, Hibernate ORM, Spring Web Flow, JSF, JMS, EJB, JUnit.Experience in programming, deploying, configuring and fine-tuning middle-tier J2EE Application Servers like open-source Apache Tomcat 6.x/7.x/8.x, JBOSS, WebSphere and IBM WebSphere Liberty.Expertise in Software developing methodologies like Agile Methodology, Test-Drive Developing and Waterfall Methodology.Implementing Java 8/7/5 features like Lambda expressions, Streams, filters and fetching documents from the database well verse in building REST API (JAX-RS) based on Spring Boot.Developing batch job using EJB scheduling and leverage container managing transactions for highly transactions involving in developing Web Services to send XML request and reading the response SOAP from Java platform.Expertise in various J2EE designing patterns like Singleton, Factory, Abstract Factory, Data Access Object (DAO), MVC, Facade & Business Delegating in the developing of enterprise applications.Experience with containerization technologies, including Docker, Kubernetes, or Rancher.Hands on experience in Continuous Integration/Continuous delivery (CI/CD) tool Jenkins for deploying applications to AWS and on-premise servers.Developing, enhancing and maintaining a Spring Boot based Microservices application using Docker containers and Kubernetes.Extensive programming experience in developing web-based applications using JSP 1.2/2.0, Servlets 2.4, EJB, Struts1.x/2.x, Spring, Hibernate 4, JDBC, JavaScript, Angular 9, HTML5, JS Libraries and Web Services.Expertise in DB Design, DB normalization, writing SQL queries and PL/SQL Stored Procedures, Functions, Triggers, Sequences, Indexes and Views.Have good experience on version managing tools GIT, SVN, Maven, Jenkins and Clear Case experience in writing building scripts using ANT, MAVEN.Expertise in NoSQL databases like MongoDB.Using in developing Maven Scripts and ANT scripts for building and deploying of J2EE applications in Docker and Amazon AWS services and APIs, including EC2, S3, VPC, and Google Cloud services.Hands on experience on front-end technologies such as HTML5, CSS, JavaScript, Struts tag libraries, AJAX, JSON, XML, Angular and J Query frameworks.Logging defects and monitoring till closure using JIRA.Expertise in OpenWebStart for JavaWebStart and JNLP features.TECHNICAL SKILLS:LanguagesC, C++, Java 1.8/11/17, SQL and PL/SQL, JavaScriptEnterprise JavaJava, J2EE, Swing, RMI, Sockets, JDBC, Servlets, JSP, Java Beans, JSTL, JSF, Struts, EJB, JNDI and JPATools & FrameworksSpring MVC, Spring Web Flow, Spring IOC, Spring AOP, JSF, Log4J, SOAP UI, Spring Boot, Spring Batch, Spring Security, Spring Data, and OpenWebStartDatabasesOracle 8i/9i/10g/11g, MySQL and MS Access 2000Postgres SQL, No SQL, MongoDBWeb DevelopmentAngular, HTML, XHTML, CSS, XML, XSD, SAX/DOM, AJAX, JSON, jQuery, BootstrapScripting LanguageShell Script, bash, Perl, JavaScript, jQueryWeb/App ServersWeb Sphere, Apache Tomcat, JBoss, Apache, IBM WebSphere LibertyToolsEclipse3.0, Net Beans5.0, IntelliJ, CVS, SVN, Perforce, Sub Version, JunitWeb ServicesSOAP, RESTful, WSDL, JAX-RPC, JAX-RS JAX-WSVersion ControlGIT, SVN, CVSTesting ToolsJUnit, PostmanCloud Technologies and ContainerizationsAWS, Docker and JenkinsCloud and database toolsAWS EC2, AWS ECS, AWS S3, MYSQL Workbench.EDUCATION:Bachelor of Science in Computers from Andhra University, Visakhapatnam, India,2009Masters in computer science from Jawaharlal Nehru Technological University, Kakinada, India, 2012CERTIFICATION:Ultimate AWS certified Cloud Practitioner - UdemyGen AI certified using Amazon Code Whisperer & Basic Prompt Engineering - Persistent UniversityDocker & Kubernetes: The Practical Guide certification done - UdemyWORKING EXPERIENCE:Software AG, Boston, MA July 2022 to till nowLead Senior EngineerResponsibilities:Developed Core Java, multithreaded Java applications using Java concurrency utilities like threads, locks, synchronization and concurrent collections, ensuring resource utilization and concurrent task execution.Worked as Java full stack Developer in developing two different web-based applications and followed Test-Driven Development (TDD) and experienced in Agile and practices within the organization and continuous improvement andgood exposure to REST and Java 17 based web services.Led a high-performing team of 3 developers in offshore & collaborated to work with on-site team 2 developers.Understanding user changing requirements and analyzing the source systems and Developing UI pages using JSP and Spring MVC framework validations are done using Spring MVC validation framework and JavaScript.Integrated MongoDB as the primary NoSQL database solution into a Java project, leveraging its flexibility and scalability to handle large volumes of data efficiently.Implemented CRUD (Create, Read, Update, Delete) operations using the MongoDB Java driver, facilitating seamless interaction with the database to store, retrieve, update, and delete application data.Integrated NoSQL databases with Java8 using appropriate drivers or libraries like MongoDB Java Driver or DataStax Java Driver for Apache Cassandra.Developing RESTful Web Services to retrieve data from client side using Microservices architecture of spring boot and Utilized Bootstrap's built-in CSS and JavaScript components for rapid prototyping and development.Utilized pattern matching for instance of feature introduced in Java 16 to simplify code and enhance readability.Proficient in working with various technologies like Java, Java Beans, J2EE (JSP, JSF, Servlets, EJB), Spring5, Hibernate, Microservices, Spring Boot, Spring Cloud, Ajax, jQuery, JDBC, XML, JAAS, JAX-WS/JAX-RPC, Web Services, LDAP and Design Patterns.Contributed to the development of Microservices architecture in Scala, designing and implementing independent and scalable services using lightweight containers like Docker.Implemented version control using Git for tracking changes, collaborated with team members through GitHub and GitLab repositories, and utilized features such as pull requests, code reviews, and issue tracking in workflow.Experience in developing Maven Scripts and ANT scripts for building and deploying of J2EE applications in Docker.Developed applications using Java/J2EE and frameworks such as Spring, Spring MVC, Spring Boot, Restful API, Security/OAuth2 and Hibernate.Designed, implemented, and maintained RESTful APIs leveraging industry-standard technologies such as JAX-RS or Graph and defined API contracts using WSDL documents to ensure clear communication of service capabilities.Implemented AWS CloudWatch for monitoring system performance and log management. Utilized SonarQube for comprehensive code quality analysis, enabling the identification and remediation of code issues.Integrated JUnit and Mockito with continuous integration (CI) pipelines, automating the execution of test suites and enabling early detection of defects, resulting in improved code quality and faster delivery cycles.Developing the java8 code using IntelliJ as IDE backend services in Java and Groovy strong experience in implementing Service oriented architecture and Web Services using RESTFUL APIs.Utilized Postman for efficient API testing and development, ensuring robust backend functionality.Utilized Docker, Kubernetes, and Jenkins to streamline development & deployment process of Java applications, ensuring efficient containerization, orchestration, and continuous integration practices for software delivery.Implemented Splunk for log aggregation, monitoring, and analysis in a Java project, enabling real-time visibility into application performance, system health, and user behavior.Implementing CI/CD pipeline as code using Jenkins 2.60.3 and Developing build and deployment scripts using MAVEN as build tool, and integrated selenium in Jenkins 2.60.3 to perform the automated integration test.Environment: Java 8, J2EE, Spring Boot, Spring MVC, Hibernate, AWS, Microservices, REST API, CSS, Angular9, MongoDB, JUnit, AJAX, jQuery, JSP, Jenkins, Maven, docker, Spring Cloud, JDBC, Web Services, IntelliJ IDE, Jira, AWS Cloud Watch, SonarQube, Postman.CISCO, Cary, NC Mar 2021 to Jul 2022Senior Software EngineerResponsibilities:Implemented Agile (Scrum) Methodology that includes daily scrum meetings with the team, sprint planning, and estimating the tasks for the user stories.Integrated RESTful APIs and backend services seamlessly with Angular applications, utilizing TypeScript's strong typing to facilitate data exchange and improve interoperability between frontend and backend layers. Creating services that perform HTTP calls using Angular 14 to backend REST API for data retrievals.Developed responsive web interfaces using Bootstrap framework to ensure optimal viewing experience across devices.Utilized React JS to create custom directives for reusable components, such as multi-field form elements and background file uploads, optimizing component reusability and maintainability.Used Java 8 features like Streams and Lambda for API Development and performed unit testing using frame works with Node.JS framework including authoring complex directives, services, controllers and filters.Making the integration of data in several applications in favor JSON documents with dynamic schemas using MySQL database and developed Interactive web pages using HTML5, CSS3 and JavaScript.Implemented React services to connect the web application to back-end APIs and utilized Microservices with Spring Boot, integrating through a combination of RESTful endpoints.Leveraged text blocks feature in Java 17 to write multi-line strings with improved readability and maintainability, simplifying the creation of SQL queries, JSON payloads, and HTML templates.Implemented SQL queries dynamically using prepared statements and parameterized queries to prevent SQL injection attacks. Leveraged MySQL features such as indexing and query optimization for improved performance.Developed database-driven Java applications using JDBC for establishing connections to databases.Implemented CRUD (Create, Read, Update, Delete) operations in Java using MySQL, JDBC (Java Database Connectivity) driver, enabling seamless interaction with the MySQL database to manipulate data.Managed database transactions within the Java project, ensuring data integrity and consistency by employing MySQL transaction management features like commit, rollback, and save points.Extensively worked on coding using core Java concepts like Multithreading, Collections, Serialization, Synchronization, Exception Handling, Generics and Database Connections, as well in Java features like Streams, collectors, lambda functions.Defined and constructed layers, server-side objects and client-side interfaces based on J2EE design patterns used Spring4, annotations, and MVC to implement business layer and navigation part of application,Implemented persistence layer using Hibernate7.1 to represent DB tuples business logic at Server side in Core Java, and Java2EE Architecture.Used AWS tools like EC2, ECS, RDS, S3 buckets, and AWS Lambda for gathering and processing data.Utilized Java exception handling mechanisms like try-catch blocks, throw, and throws keywords to handle errors and exceptions gracefully, ensuring application stability and reliability.Developed REST web service using Jersey which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications. REST API using Jersey for JAX-RS implementation.Used Git as version control, Maven for artifact build, Log4j as logging framework and Jenkins as CI/CD tool.Experience with containerization technologies, including Docker, Kubernetes, or Rancher. Well versed with OpenStack based cloud infrastructure.Interacted with relational databases within JSP pages using JSTL SQL tags to execute SQL queries, retrieve result sets, and perform database operations.Proficiently utilized IntelliJ IDE for efficient software development, leveraging its robust features and seamless integration to enhance productivity and code quality.Implemented AJAX (Asynchronous JavaScript and XML) requests using jQuery to facilitate seamless communication between client-side and server-side components, enabling real-time data exchange and dynamic content loading.Implemented OAuth 2 authentication protocol to secure API endpoints and enhancing the security and reliability of web applications and Utilized JWT for secure and stateless authentication in web applications, enhancing user authentication and authorization mechanisms with minimal overhead.Implemented Swagger for API documentation, enhancing clarity and accessibility for developers and stakeholders.Environment: J2EE, Java 17, React JS, HTML, CSS, Spring, Spring MVC, Spring Boot, JavaScript, Rest API, Microservices, AJAX, Kubernetes, Mongo DB, Hibernate, NodeJS, Jenkins, Docker, MySQL, GIT, Junit, IntelliJ IDE, AWS, OAuth 2, JWT, Swagger.Kroger, Cincinnati, OH Mar 2017 to Feb 2021Technology AnalystResponsibilities:Experience in using Java 8 features like Functional Interfaces, Parallel Streams, and Lambda expressions.Implemented the project by using Spring MVC framework for the business layer using Spring Core, DAO, Spring ORM, and Spring Web MVC. Handled the authorization, authentication of features by using Spring Security.Proficient in core Java concepts such as Classes, Objects, Inheritance, Polymorphism, and Encapsulation, Multithreading, File Handling I/O, Collection frameworks, and Exception handling and applying OOP principles to design and develop robust and maintainable software solutions.Developed and deployed SOAP-based service endpoints using Java EE application servers like Apache Tomcat or JBoss, ensuring reliable and scalable access to backend functionality for clients across different platforms.Integrated external APIs and backend services seamlessly with ReactJS components, ensuring type safety and consistency throughout the application using TypeScript.Implemented Services with Spring Boot which includes writing Controller classes for handling requests, processing form submissions, and performed validations.Created HTML forms in JSP pages to capture user input and submitted data to server-side servlets or controllers for processing. Proficient in using JSTL tags to perform common tasks such as iteration, conditional rendering, formatting, internationalization, and database access within Java Server Pages (JSP).Implemented SOAP message handlers and interceptors to customize the processing of incoming and outgoing SOAP messages, enabling cross-cutting concerns such as security, logging, and transformation to be addressed uniformly.Implemented distributed transactions across multiple resources using JTA for coordinating transactional operations and ensuring ACID (Atomicity, Consistency, Isolation, Durability) properties.Developed complex SQL queries, stored procedures, and triggers to retrieve, manipulate, and manage data in Oracle databases, optimizing query performance and enhancing application responsiveness.Integrated applications with Oracle databases using java11, facilitating data exchange and synchronization between frontend and backend systems, and executed data migration tasks to ensure data integrity and consistency.Administered and optimized MySQL, Oracle DB, DB2, and Postgres SQL databases, ensuring high availability, reliability, and performance across diverse enterprise environments. Conducted database design, schema normalization, and query optimization to enhance data integrity and efficiency.Experience in writing complex SQL queries using joins, stored procedures, Triggers, Functions, Views, and Indexes in the data access layer. Performed the CRUD operations like Update, Delete, and Insert on the database.Used GIT as version control management and for code commits and used Eclipse IDE to develop the project.Implemented SOA architecture with web services using SOAP, WSDL, UDDI, and XML.Worked on Hibernate (Hibernate query language (HQL)) with Spring Integration as the data abstraction to interact with the database and used dependency injection (DI) using spring framework and annotations.Involved in Junit and Mockito testing and performed unit testing for each module and prepared documentation for future references and upgrades.Utilized Postman for streamlined API testing, facilitating collaboration & ensuring the reliability of backend services.Established CI/CD pipelines tailored for microservices, automating build, test, and deployment processes. Implemented Jenkins for automated continuous integration and delivery (CI/CD) pipelines, streamlining the software development lifecycle and ensuring rapid and reliable deployment of Java applications.Collaborated closely with cross-functional teams, including developers, QA, DevOps, product owners and involved in daily scrum meetings, sprint planning, estimation time for user stories and retrospective meetings. Followed Agile methodology using JIRA to track project progress and resolve issues and Log4J for logging errors in the application.Environment: Java11, Spring MVC, Hibernate, Postman, SoapUI, Swagger, Log4J, Web Services (WSDL using SOAP protocol, JAX WS, Apache axis, XSD).Vasista, India Mar 2015 to Mar 2017Software EngineerResponsibilities:Worked on Java8 functional programming concepts like Lambda expressions, Streams, Functional Interfaces, date time API and lambda expressions. Core Java with Concurrent API is used for parallel processing and chunk processing.Developed dynamic web pages using JSP technology to generate HTML content dynamically based on server-side.Implemented multithreaded applications using RMI and AWT to handle concurrent client requests, background tasks, and asynchronous event processing efficiently.Used Spring Boot which is radically faster in building cloud Microservices and develop spring-based application with less configuration. Developed Microservices & APIs using Spring Cloud, Spring Security, Spring Boot.Proficient in developing dynamic and interactive web applications using JavaScript, HTML, and CSS, with a strong focus on user experience and responsiveness.Integrated Java applications with JDBC (Java Database Connectivity), executing queries, retrieving and updating database records, and managing database connections.Administered IBM WebSphere Application Server environments to support the deployment and operation of enterprise Java applications.Integrated BDD tests into CI/CD pipelines using Jenkins, automating the execution of acceptance tests and providing rapid feedback on system behaviour with each code change. Implemented Cucumber framework to facilitate Behaviour-driven development (BDD) practices within the software development lifecycle,Environment: Java, lambda expressions, Streams, Webservices, Spring Boot, Eclipse, Jenkins, Confluence, Maven, Windows, WebSphere, SVN.Codem Software Solutions, India Dec 2012 to Feb 2015System EngineerRoles & Responsibilities:Successfully managed software development projects following the Waterfall methodology, ensuring adherence to project timelines, budgets, and quality standards.Implemented J2EE components using Spring MVC, Spring IOC, Spring transactions, and Spring security modules. Developed Business objects using POJOs and data access layer using Hibernate framework.Implemented Core Java methodologies like Interfaces, Collections, Customized Exceptions, and Multi-threading. Implemented and extensively used Object-Oriented programming concepts.Created user-friendly GUI interface and Web pages using HTML, DHTML, XHTML, JavaScript, jQuery, JSON, CSS, XML, XSLT, AJAX.Wrote application-level code to add functionality and perform client-side validation using Angular8&Typescript.Implemented business logic and generated WSDL for those web services using SOAP.Implemented transactional layered DAOs and ORM through Hibernate technology.Involved in installing and configuring Maven for application builds and deployment.Designed, developed, and maintained SOAP-based web services using industry-standard technologies such as JAX-WS, Apache Axis, and XSD schemas. Implemented service endpoints, defined WSDL contracts, and utilized JAX-WS annotations to create interoperable and standards-compliant SOAP APIs.Worked on MySQL databases and developed custom applications per the client's specifications and designed various tables required for the project in MySQL database and used the stored procedures.Used JIRA to assign, track, report, and audit the issues in the application. Interacted with Testing Team, Scrum Masters, and Business Analysts to fix Issues.Environment: Java, JSP, JDBC, Spring MVC, Hibernate, JavaScript, Typescript, JMS, SOAP, GIT, Jenkins, MongoDB, Junit, NetBeans, WebLogic. |
