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Click here or scroll down to respond to this candidatePrakyathCandidate's Name
Email Id: EMAIL AVAILABLEContact: PHONE NUMBER AVAILABLEPROFESSIONAL SUMMARY:Around 6 years of hands-on experience in designing, developing, and testing Java/J2EE web-based applications. Experience worked in E-Commerce Websites, Telecom and HealthCare domain.Hands on experience in developments of web-based applications using HTML, XML, CSS, JavaScript frameworks such as Angular versions 6/7/8/9, Ngrx, Redux, ReactJS, NodeJS and Angular material.Excellent experience in Object Oriented analysis and Design (OOAD), Development, Implementation and Testing of various software applications using Java/J2EE.Extensive work experience in all phases of the Software Development Life Cycle like collecting business specifications, analysis, design, development, and testing the application.Extensive knowledge in core Java concepts which includes Collections, Multi-threading and J2EE (Servlets, JSP, JDBC, EJB, JMS, spring, Struts and Swing).Involved in developing distributed Enterprise and Web applications using Java/J2EE, UML Web technologies that include EJB, JSP, Servlets, Struts, JMS, JDBC, HTML, XML, XSL and Hibernate.Experienced in establishing connectivity from front end to back end using JDBC connections.Ability to handle multi-tier, object-oriented J2EE and Core Java applications.Developed applications in JSP, Java Beans and Servlets using MVC architecture.Proficient in developing advanced web-based applications design and development using Java, J2EE, Servlets, JSP, JSTL, Struts, Spring, Eclipse, MongoDB, jQuery, AJAX, AngularJS, and DatabasesStrong experience in technologies like Java Server Pages (JSP), Java Servlets, Enterprise JavaBeans (EJB) 2.0/3.0, Java Beans, JDBC.Extensive hands-on experience in object-oriented analysis, design, modjaeling and programming tools in conjunction with Unified modeling language (UML).Expertise in developing large and highly configurable applications using Spring boot, Spring 2.5, Struts 2.0, Hibernate and JPA 2.0 combination.Experience in Designing, Architecting and implementing scalable cloud-based web applications using AWS and GCP.Have knowledge on Kotlin Android Extensions framework.Very Keen in knowing newer techno stack that Google Platform (GCP) adds.Good knowledge in building and deploying Apache ANT/MAVEN scripts for deployment and customizing WAR/ JAR file management for web applications.Experienced using Dojo web pack as in web developing tool.Provided technical support for debugging web applications, databases, and assistance to production systems.Expertise in developing the presentation layer/UI using JSP, HTML, JavaScript, jQuery, and XSLT.Experienced in programming tools like ANT, Maven Build Scripts, and Unit.Strong expertise in development and deployment of web components that include Servlets, JSP, JSF, Java Scripts and business layer components that include, Web Services, and JDBC.Experience in server-side distributed object development using J2EE, EJB, JNDI, and JDBC, IBM Web sphere Server, Web Logic Server, XML, XSL, XSLT, WSDL and SOAP.Experience in web technologies J2EE, Spring, EJB's, Servlets, JSP's, Jakarta Taglibs, JSP Custom Tags Libraries, Java Beans, Apache Jakarta Struts, Hibernate, JavaScript, Swing, jQuery, XML, DHTML & HTML, Docker, Kubernetes and spring-cloud, JWT, OAuth2.Experience in using Eclipse IDE for developing web applications.CD Tools: Cruise, Urban CodeuDeploy, UrbanCode Release/BuildUsed Object/Relational mapping Hibernate 3.0 framework as the persistence layer for interacting with Oracle.Written complex SQL and no SQL queries, stored procedures, functions and triggers in PL/SQL.Expertise in implementing Representation state transfer (REST) with XML based Web Services (REST/SOAP/AJAX/WSDL).Capable of delivering well documented applications, adhering to quality standards and delivery dates.Excellent analytical, problem solving and interpersonal skills. Ability to learn new concepts fast, Consistent team player with excellent communication skills.TECHNICAL SKILLS:Web TechnologiesHTML 4.01/5, CSS2/CSS3, JavaScript, jQuery, AJAX, JSON, HTML5, CSS3, Bootstrap, XML, JSON, hibernate, Typescript, ApacheLanguagesC, C++, Java, SQL.FrameworksAngular.js, Angular2, Angular4, Angular6, Angular 7, Angular 9, Bootstrap, NodeJS, Ngrx, Karma, Jasmine, Vue JS, Redux, ReactJS, Rest API, Express.js, Spring boot, spring 2.5, spring-cloud.Prototyping DesignAzure, Photoshop, IllustratorIDE & ToolsSublime Text, Eclipse, STS, WSDL, Soap UI, XML schema, Visual studio.Debugging toolsFirebug, Bugzilla, SplunkWeb ServersApache, Tomcat 7.x, Tomcat 8.x, Web Logic 10.x, JAX-WSDatabaseToad, ORACLE11g/12c, MYSQL, DB2, SQLite, no SQLBuild ToolsMaven 3.x, JenkinsManagement toolsSVN, GitHub, JIRA, DockerOperating SystemsWindows 8/10, Linux, Mac OS XMethodologiesAgile, Sprint, waterfallPROFESSIONAL EXPERIENCE:Client: Safeway March2021 PresentRole: Candidate's Name .Responsibilities:Involved in SDLC requirements gathering, analysis, design, development, and testing of application developed using AGILE methodology.Migrated from Java 8 to Java 17.Developed REST webservices to facilitate communication between client and servers using Json data format.Deployed the code into the servers using GHA (GitHub actions) and Jenkins.Initially we used Node.JS/Express.JS to mock REST services and built the UI app using that mocked backend; but later we integrated with the real backend system and coordinated with server-side development team.Using Java features in developing code like Lambda expressions, creating resource classes, fetching documents from database.Created POC for Spring Batch for running batch jobs. Documented how Spring Batch is useful for the current project.Designed and developed microservices using spring boot (rest controller, spring data, security)/ Confidential OSS/Spring CloudImplemented Spring Boot microservices using Confidential OSS stackStrong understanding of all PCF architecture including critical services such as Rabbit MQ, Redis, MYSQL, Spring cloud services etc.Currently working on developing Server less functioning using AWS lambda with JAVA 8, 11 and 17.Design and manipulation of JBPM process for the client activities to manage the people queue for each activity.Integrated Apache Spark into existing Cassandra cluster.Involved in designing various stages of migrating data from RDBMS to Cassandra.Assisted Back-End team with creating RESTFUL Web Services using Node.js & Express.js.Involved in analysis and design phases of Software Development Life Cycle (SDLC).Written Map reduce and Spark codes in Java to run a sorting application on the data stored AWS.Good knowledge in deploying the application jar files into AWS instances.Involved in the development of the presentation tier using Spring framework like Spring Boot and Spring Batch to records from a database or input file, selects records based on predefined rules, and writes the records to an output file.Extensive experience in developing Kafka producers and Kafka consumers for streaming millions of events per minute on streaming data using PySpark, Python & Spark Streaming.Converted a monolithic app to Microservices architecture using Spring Boot using 12-factor app methodology. Deployed, Scaled, Configured, wrote manifest file for various Microservices in PCF.Coded Soap and Rest web services using spring boot to rewrite existing applications to micro web application.Experience in upgrading PCF platforms.Extensive experience in AWS Big Data Services, S3, ECS (Elastic Container Service), EMR Spark.Designed and developed transaction system and payment system with Spring Boot.Interfaced with the My SQL back-end database by integrating Spring with Hibernate.Prepared unit test cases and developed the JUnit test cases using Mockito and PowerMockito.Configured Spring boot restful web services application and enabled actuator to monitor application health status.Hands-on experience building solutions in Google Cloud Platform (GCP)Deployed Microservices Application on GCP Kubernetes cluster.Created GraphQL schema and queries to interact with Mongo DB database.Experienced in building complex Single page applications with Vue Js components with Backbone Marionette wrappers for Routing.Developed React JS pages, Web services calls and AJAX calls for the application.Used React JS in development of the web application to bind the data/model that is being retrieved from a database through services provided in a controller to the view using scope.Modified existing and created new Hibernate objects-based Queries for data storage, retrieval, tuning and mapping.Used NPM for installing required node.js modules and other published Angular 9/10 NPM modules.Configured Mongo repository and developed persistence objects with Spring Data Module.Developing business logic with Java core, collections, and java 8 lambda expressions, streamers, Local Date objects.Use Spark Dataframe APIs to inject Oracle data to S3 and stored in Redshift.Run and Schedule the Spark script in EMR pipes. Hands on experience in migrating on premise ETLs to Google Cloud Platform (GCP) using cloud native tools such as BIG query, Cloud Data Proc, Google Cloud Storage, Composer.Consumed Web Services to interact with other external interfaces to exchange the data in the form of XML and by using SOAP.Used cloud shell SDK in GCP to configure the services Data Proc, Storage, BigQuery.Development of Client Side validation techniques using JQuery and Vue JS directives.Created DTO objects, JPA repositories and created native SQL queries to persist data to database.Used log4J for application logging and notification tracing mechanisms.Configured Maven and resolved life cycle dependencies and generated artifacts for deployment.Developed Test Driver components with TDD added code in crucible to find defects and resolve them before quality testing performed.Environment: Java, Azure, Spark, Scala, Spring Boot, Spring Batch, XML, GWT, Ajax, Restful Services, Docker React JS, Postman, NPM, GitHub, Jira.Client: Walmart Sep 2020 - Feb 2021Role: Candidate's Name .Responsibilities:Interacted with the Business Technical consultant to get the requirements based on the customer objectives. Documented the design and operational parameters to ensure the business requirements are achieved.Organized implementation review meetings to update the user specification and use cases.Designed the user interface screens as in the basic UI/UX sketch of the screens using Mockito tool.Migrated from prime faces to Angular version 7.Experience in using build/deploy tools such as Jenkins, Docker and OpenShift for Continuous Integration & Deployment for Microservices.Implemented Single Page Application ( SPA ) architecture and client side MVVM(Model View- View Model) using Vue JS.Converted a monolithic app to microservices architecture using Spring Boot using 12-factor app methodology. Deployed, Scaled, Configured, wrote manifest file for various Microservices in PCF.Responsible for checking cross browser compatibility and hence worked on different browsers like Opera, Firefox, Google Chrome, and Internet Explorer.Developed the Front-End and User Interface of ARWorks applications using Javascript, ES6, React, and Redux.Implemented Initial setup and component migration to Redux.Strong knowledge on working with GraphQL schema, queries and mutations to interact with Mongo DB and several other data layers.Setting up GCP Kubernetes cluster and Migrating applications gradually between Kubernetes deployments so that intra-cluster traffic is not affected.Working on the GITLAB Migration where doing pocs to enhance and integrate with AWS, GCP.Good knowledge on working with Apollo client to interact with GraphQL server.Resolved complex issues related to browser and network performance, cross-browser and legacy IE compatibility, client-side scaling, data modeling, usability, and testability.Solving JIRA tickets which are assigned to me.Designed and developed an efficient and flexible flight search using graph database by optimizing the power of Neo4j and graph analytics techniqueImplemented HTML5 features like local storage, data and required attributes and sliders.Implemented CSS3 features like multi-column layout, gradients, and web fonts.Worked on Java 8, implemented lambda expressions, methods, streams, and some other features of java 8.Integrate the UI with the controller and DAO developed using the spring boot architecture.Worked on Google Cloud Platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.Created scripts and queries using Toad for Oracle 12 to retrieve the tables based on SQL, and Mongo DB with no-SQL database queries.Setup GCP Firewall rules to allow or deny traffic to and from the VMS instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.Also, used Azure Red Hat OpenShift to deploy our application on to the develop environment.Resolved complex issues related to browser and network performance, cross-browser and legacy IE compatibility, client-side scaling, data modeling, usability, and testability.Used SOAP and RESTful web services using AJAX, JAX-WS, JAX-RSApito integrated Angular 8.Solving JIRA tickets which are assigned to me.Implemented HTML5 features like local storage, data and required attributes and sliders.Implemented CSS3 features like multi-column layout, gradients, and web fonts.Integrate the UI with the controller and DAO developed using the Spring boot architecture.Developed the controllers and DAOs for the domain objects that interact with the UI and integrate it with the Database.Strong experience in Spring (IOC, AOP, MVC), Hibernate, JPA, Struts 2, REST Web Services, Jersey Drop - wizard, Mockito, Maven, JSP, Docker, and Micro-services-based Architecture, TDD.Also, worked on the migration from oracle to postgres non-relational databases.Created scripts and queries using SQL Server to retrieve the tables based on the SQL, no-SQL queries.Aligned the Database queries and embed them into the Spring boot application to perform the data retrieval based on the user requirement.Created and injected Spring services, spring controllers and DAOs to achieve dependency injections and to wire objects of domain classes.Used Faceted Project Validation, Java Spring Boot validation and Maven project builders to develop the code and deploy to the servers.Involved in design and development of GraphQL and services to interact with data storage layer.Used IBM WebSphere and JBoss Server deployment for deployments.Used OpenShift, Kubernetes and Docker to deploy the developed work to test.Docker has been cored to this experience, along with Kubernetes.Expertise with Relational databases such Oracle, PostgreSQL, SQL server and MYSQL.Developed CI/CD system with Jenkins on Google's Kubernetes container.Implemented a production ready, load balanced, highly available, fault tolerant Kubernetes infrastructure.Used Kubernetes to deploy scale, load balance, scale and manage docker containers with multiple names spaced versions.Core java development for different components. Developed the application using Core Java, Multi-Threading, Collections in abundance, REST for backend APIs, My SQL as DB server, Maven.Completed set up of CD environment with focus on UrbanCodeuDeploy.Designed and implemented automation deployment using Urban code and Cruise to promote major releases, monthly releases, and patches from Development -> Integration/QA -> Staging/UAT -> Production.Implemented microservices to maintain independency on the architecture of the other systems.Interacted with GitHub and BITBUCKET as a version control tool for the code check-ins and checkouts.Implemented microservices to maintain independency on the architecture of the other systems.Also used OAuth2 for security purposes.Had done poc on spark/scala/hbase.Knowledge of using flux architecture in ReactJS for building client side web application.Experienced in React JS and working with Redux architecture.Used Apache Kafka, Rabbit MQ and Active MQ (Message Queues) for reliable and asynchronous exchange of vital information between multiple business applications.Familiarity with Kafka stream processorsandKafka Streams APIs.Created Aws Security Groups for deploying and configuring AWS EC2 instances.Responsible for debugging, testing, maintaining, and deploying the applications based on the tracking errors for spring services using Junit.Independently integrate multiple APIs and new features using React + GraphQL stackDefined AWS Security Groups, which acted as virtual firewalls that controlled the traffic, allowed reaching one or more AWS EC2 instances, Azure.Environment: Java 11, Maven, Junit, Mockito, NodeJS, NPM, Angular 8, Angular 9,NgRx, Karma, Jasmine, JPA,REST Web services, Visual Studio, IntelliJ, GitHub, JIRA, Typescript 3.8, microservices, Redux, ReactJS, Moqups, React JS, SharePoint.Client: Dimension Data Hyderabad, IndiaRole: Jr Java Developer Nov 2018 Aug 2019Responsibilities:Performed requirement analysis by interacting with key stakeholders for defining scope and deliverables of the project.Analyzed the complete architecture of various components of the system in-order to design the application.Designed and Developed code for the XML driven UI using JSP, XML, JavaScript, HTML, CSS.Ability to rapidly prototype interface designs in hand-coded validating, standards-compliant, and semantically rich code and be aware of cross-browser compatibility and bugs.Participated in all phases of application development lifecycle.Used JQUERY document to generate API documentation for JavaScript code.Knowledge of human factors and usability, best practices for interface design.Defined text alignment, size, borders, and many other typographic characteristics.Responsible for code optimization and testing of the website across different browsers.Designed, created, and implemented custom Interwoven Team Site modifications to fully automate such activities as publishing, deploying, and updating online content (HTML, JavaScript).Build configured and deployed Web components on Web Logic application server.Wrote Java code for accessing trade data from Oracle and DB2 databases using JDBC API and SQL queries and accessed it from J2EEWeb component.Wrote Python Scripts to parse XML documents and load the data in database.Generated property list for every application dynamically using python.Rewrite existing java application in Python module to deliver certain format of data.Developed GUI for viewing trade data using Servlets, JSP, HTML, CSS, JQUERY, JavaScript and Spring MVC.Updated UI as per changing needs and requirements.Fixed software bugs for existing application suite and optimized code for better performance.Environment: HTML, CSS, JavaScript, Python, JQUERY, XML, Bootstrap, JSON, DTD Restful API, AJAX, Servlet. |
