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Click here or scroll down to respond to this candidate S RAMANTHContact: PHONE NUMBER AVAILABLE | Email: EMAIL AVAILABLEProfessional Summary: 7 years of experience in Cross-Platform (Web & Client-Server) application development and design using Object-Oriented Programming, Core Java, J2EE technologies. Expertise in several J2EE technologies like JSP, Servlets, Struts, Spring MVC, Spring Boot, Web Services (SOAP, REST) and JSF. Good experience working on different levels of Software Development Life Cycle (SDLC) and Agile Methodologies. Strong expertise in Linux/UNIX systems, Docker, AWS, and Kubernetes. Experience in using Core technologies like Java, Servlets, JSP, Custom tags, Spring Boot, JDBC, Microservices, Java Beans, EJB, JavaScript, Web Services, AngularJS, jQuery, MVC, Struts, Spring. Strong experience in Core Java skills including Multithreading, Collections, Garbage Collection. Experience in developing applications using Spring Boot and implementing Hibernate database access methodologies. Extensive experience on developing web applications using Spring Boot, Spring Security, Spring Core, Spring MVC, Spring AOP, Spring Actuator, Spring ORM, Spring JPA and Spring REST. Extensive experience in developing Microservices using Spring Boot, Netflix OSS (Zuul, Eureka, Ribbon, Hystrix) and followed domain driven design. Experience in implementing various design patterns including Data Access Object, Prototype, Factory, Abstract Factory, Builder, Observer, Builder, Data Transfer Object and Singleton. Proficient in creating and consuming SOAP and RESTful web services in Spring Boot using JAX-WS, JAX-RS, and Spring Rest Controller. Implemented OAuth2.0 for authentication-based web application and accessed their APIs for fetching data services. Experience of working in jQuery, JavaScript, CSS, HTTP, XSD, WSDL and HTML. Good understanding of implementing web applications using Angular JS, Angular 2, ReactJS framework. Experience on RDBMS such as Microsoft SQL Server, ORACLE, MySQL, PostgreSQL, Aurora and DB2 and NoSQL databases such as MongoDB, Cassandra, DynamoDB. Experienced in Node environment using Node.js, npm. Good experience in PL/SQL, writing stored procedures, functions, and triggers. Experience in working with API s (SSL, CORS, JWT), API Gateway, REST and SOAP Web Services using Ajax, JSON. Experience in using build/deploy tools such as Jenkins, Docker and AWS for Continuous Integration & Deployment for Microservices. Good experience on working with Amazon Web Services like EC2, S3, Amazon Simple DB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, AWS Identity and access management, AWS Cloud Watch, Amazon EBS and Amazon Cloud Front. Hands-on experience in using message brokers such as ActiveMQ, RabbitMQ and Apache Elasticsearch. Experience with browser testing, knowledge of cross-browser/cross-platform compatibility. Spring Experience in writing ANT, Gradle, Maven and Jenkins build scripts, writing unit test cases using JUnit, Mockito, Easy Mock, TestNG and used Log4j, Slf4j, Log InSight for bug tracking. Used Cucumber for services automation and created the Feature Files for Cucumber Automation. Experience in working with frontend testing tools like Karma, Jasmine, Chai, and Jest and performance testing tools like JMeter. Experienced in using Version Control Tools such as Git, Subversion, CVS, and Clear Case. Oracle Certified Associate, dedicated to delivering client satisfaction through innovative solutions and continuous improvement., Active TS/SCI Clearance with polygraph.Technical Skills:Programming LanguagesC, C++, Java/J2EE, SQL, PL/SQL, Python, Go (Golang).Java APIsJ2EE, EJB, Servlets, JSP, JSTL, Custom Tag Libraries, JAX-RS , JDBC, JNDI, JMS, JAXB, JUnit, Mockito, AWT, Spring MVC, Spring AOP, Spring DAO, Spring Core, Spring Security, Spring Actuator, Spring Boot, JPA, Hibernate, Spring JDBC, Spring Data JPA, Spring Data REST, Log4j, Slf4j, Log InSight, ActiveMQ, RabbitMQ, Apache Kafka, Netflix OSS, JMeter.FrameworksSpring, Hibernate, MEAN Stack, MERN StackScripting LanguagesJavaScript, TypeScript, jQueryWeb TechnologiesHTML/HTML5, CSS/CSS3, Bootstrap, JSP, Ajax, XML, JSON,NodeJS, Express, ReactJS, AngularJS, Angular 2.0 and above Karma, Jasmine, Chai, and JestDatabasesOracle, MySQL, DB2, SQL Server, PostgreSQL, Amazon Aurora, MongoDB, Cassandra, DynamoDBVersion ControlCVS, Clear Case, SVN, GitCloud TechnologiesAWS, Azure, VMwareBuild ToolsMaven, Gradle, Ant, Jenkins, Docker, Terraform, Ansible,UML,SysMLMonitoring ToolsPrometheus, Sysdig, Grafana, ZipkinContainerizationExperience with continuous integration tools such as GoCD, Jenkins, ArtifactoryProfessional Experience:Ascena Retail Group, Patskala, Ohio May 2023 Present Full Stack Java DeveloperResponsibilities: Designed, developed, and tested HTML5, CSS3, Bootstrap, JavaScript, jQuery and React.JS that meets accessibility and web browser standards for website. Acquired process awareness for software development and deployment. Managed Linux/UNIX systems (RHEL) and handled system administration tasks. Worked in using React JS components, Forms, Events, Keys, Router, Animations, and Flux concept. Designed REST and SOAP services. Used React JS for templating for faster compilation and developing reusable components. Implemented Custom Exceptions depending on the API Responses. Developed, implemented, and tested Node.js applications. Developed SPA (single page application) project using Angular 2 and Typescript for frontend, Node JS and Postgres for backend Involved in developing applications using Angular.JS like Grids, Toolbars, Panels, Combo-Box and Buttons. Created Typescript reusable components and services to consume REST API's using Component based architecture provided by Angular.JS and Node JS. Used Spring Boot, which is radically faster in building cloud Micro Services and develop Spring MVC, based application with very less configuration. Used Spring Security for authentication and authorization of users, Spring JDBC for easy database operations using JDBC template, writing row mappers and Spring Boot easy bootstrap applications from scratch angular. Implemented the authentication and authorization of the application using Spring Security and OAuth2. Used Spring JDBC for persistence objects into Oracle database. Implemented the function to send and receive messages on ActiveMQ synchronously and asynchronously. Implemented Zipkin for distributed Micro Service Monitoring. Integrated Swagger UI and wrote integration test along with REST document. Developed all REST APIs using Hystrix commands and Feign clients for efficient fault tolerance and handling fallback mechanisms. Created automated script for REST-API testing using Rest Assured framework. Designed and developed the RESTful web services using the JAX-RS API to communicate over the network. Setup full CI/CD pipelines so that each commit a developer makes will go through standard process of software lifecycle and gets tested well enough before it can make it to the production. Set up CI/CD pipelines, conducted unit testing with JUnit and Mockito, and performance testing with Postman and JMeter using Jenkins, Swagger UI, and JIRA. Developed custom k8s CRDs and controllers for managing complex application workflows. Developed Mockito and JUnit test cases to improve code coverage. Involved in various phases of Software Development Life Cycles (SDLC) like Design, Development and testing phases, and developed Use Case diagrams, Class diagrams, and Sequence diagrams. Designed an API Life Cycle template for the API business objectives before building a programmatically accessible platform. Experience in writing unit tests using JUnit and Easy Mock. Tested the performance of our API using SoapUI, Postman, and JMeter. Employed Spring Security for authentication and authorization, and Spring JDBC for database operations. Used Jenkins server for code monitoring during code integration phase. Implemented modular approaches for backend on AWS s Elastic Beanstalk and implemented interfacing with MySQL/Aurora DB on AWS s RDS, allowing for scalability. Utilize EBS to store persistent data and mitigate failure by using snapshots. Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis.Environment: JDK 1.8, Spring, Hibernate, Spring Boot, LINUX, Maven. RESTful Web Services, Jenkins, HTML5, CSS3, React JS, Bootstrap, JavaScript, jQuery, Ajax, Node.js, MongoDB, GoCD, SoapUI, Postman, API Life Cycle, JUnit, JMeter, Git, JAX-RS, JIRA, Cucumber, UML, SysML Putty, Agile.PalTech, Hyderabad, India Aug 2019 Dec 2021Jr. Full Stack Java DeveloperResponsibilities: Involved in Requirements gathering, Analysis, Design, Development and Testing of application using AGILE methodology (SCRUM) in a Test-driven Development (TDD) approach. Developed and designed the web interface using HTML5, CSS3, TypeScript, Angular 5. Used Angular 5 as framework to ocreate Single Page Applications which can bind data to specific views and synchronize data with server. Monitored application performance using AWS CloudWatch and implemented logging with Log4j. Worked on Angular Guards like canActivate, canActivateChild, canDeactivate, resolve, canLoad for preventing unauthorized access. Migrated a legacy application from Angular JS to Angular5. Implemented Factory, Service, and Provider to organize code and allow for easier future maintenance. Used client-side form validation of Angular 5 framework to monitor the states of the form and input fields and notify the user about the current state. Used ngrx framework to maintain the state of an application and worked with Actions. Reducers and Selectors. Actively involved in coding using Java1.8, Spring 4.x to develop features from end to end. Designed and implemented an application using Spring Boot, Spring IOC, Spring transactions, Dependency Injection, Spring Annotations, Spring AOP, Spring Actuator, Spring Container managed transactions. Worked with unit testing of Angular applications using Jasmine and Karma and Spring Boot applications using JUnit, Mockito and performed end to end testing using Protractor. Worked on Jenkins for the Continuous Integration and Continuous Deployment. Worked on AWS Cloud watch and AWS ALB for Load balancing and worked on ELB for the performancetesting by sending 5000 requests per minute. Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing. Supporting migration from Splunk On Premise data center to Amazon AWS. Build scripts on AWS cloud for scheduling EC2 auto scaling load balancer with python sdk. Created and managed cloud VMs with AWS EC2 Command line clients and AWS management console. Utilized AWS Services platform to upload data into AWS S3 buckets and creating EC2 instances. Used Azure Repos to maintain the version of the files. Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis. Worked in an Agile based development environment and participated in Retrospective, Scrum session for better understanding, communication among team members.Environment: JDK 1.8, Spring, Hibernate, Spring Boot, LINUX, Maven. RESTful Web Services, Jenkins, HTML5, CSS3, React JS, Bootstrap, JavaScript, jQuery, Ajax, Node.js, MongoDB, SoapUI, Postman, API Life Cycle, JUnit, JMeter, Git, JAX-RS, JIRA, Cucumber, Putty, Agile.Virinchi Technologies, Hyderabad, India May 2016 July 2019 Java DeveloperResponsibilities: Involved in daily scrum meetings, worked on the sprint tasks in the Agile Scrum development. Used Servlets as an interface between frontend and backend to handle HTTP requests and to send the response back to the front end. Used WSDL and SOAP for the development of the XML based applications. Involved in the development and maintenance of web applications using Java, Servlets, and JSP. Managed version control using SVN and participated in branching, merging, and tagging processes. Used JAXB for XML marshaling and unmarshalling. Worked with Oracle 10g database. Used JDBC to persist Java Objects into the database. Involved in writing complex SQL queries and developed Stored Procedures to populate the database. Debugged Java classes used to modify web pages such as Business Objects and Data Access Objects. Involved in the creation of dynamic web pages with the use of JSP and HTML. Utilized various utilities for User Interfaces like JSP, JSTL, JavaScript, HTML, CSS, jQuery, and Ajax. Implemented logging for the whole application using Log4j. Performed unit testing using JUnit and participated in integration testing. Maintained SVN repositories for branching, merging, and tagging.Environment: Java 1.5, J2EE, JDBC, Servlets, XML, JAXB, HTML, CSS, JSP, JSTL, JavaScript, jQuery, Ajax, PL/SQL, Oracle 10g, JAXB, WSDL, SOAP, Log4j, JUnit, SVN. |
