Home

Kalpana Javvaji - Lead Java Developer

[email protected]

Location: Dallas, Texas, USA

Relocation: Yes

Visa: Green Card

Professional Summary: Around10+ years of extensive development experience in an environment building-tier applications for web deployment using Java, J2EE, Spring Framework, Spring MVC, Spring Boot, Hibernate and Web Services. 5 years of experience in using SWIFT message standards (both ISO 15022 - MT message and ISO 20022 - MX message), File Act, Interact, RMA, CHIPS and FED wires. Experience with Version Control Systems like Subversion (SVN), Git, and VSS. Developed AJAX functionalities using frameworks like JSON, POJO, ExtJ sand jQuery. Experience in User Experience (UX) design and development, User Interactive (UI) Web Pages and visually appealing User Interfaces using HTML 5, CSS3, Bootstrap, SASS, JavaScript, JQuery, Vue.js, Angular.js, Angular 2/4, Typescript, Node.js and React.js Expertise in designing and developing Web-centric applications using HTML5, CSS3, Java Applets, JavaScript, XML,JSON, Ajax, jQuery, Bootstrap, AngularJS, NodeJS, ReactJs, Tag Libraries, Google Web Toolkit (GWT) and Custom Tags. Experienced Java developer with expertise in Fuse development. Well experienced in Core Java asynchronous programming, multithreading, collections and a few design patterns. 5 years of IT experience in MuleSoft Integration (On premise, Cloud) and Java development. Experienced with the following technologies: ML.NET, Spring Boot, Kafka, Gremlin, Neo4j, Apache Tinkerpop, Neo4j, Cypher. Docker, Kubernetes, Openshift Amazon Web Services. AWS Lambda. AWS API Gateway. EC2 53, Microsoft Azure. Service Fabric. Application Insights, Azure Cosmos DB. 4+ years of experience as a BI Developer specializing in MicroStrategy web sdk, Mobile sdk, Desktop and Administration. Worked as front-end web developer for MBS application. Performed deployment and support of cloud services including Amazon Web Services (AWS) and Google CloudPlatform(GCP). Worked extensively in FileNet P8 3.x/FileNet 4.0 Platform. Working experience in the development of custom FileNet Step Processors and custom Applications using FileNet P8 Framework and with CE 3.x JAVA API/CE 4.0 JAVA API and PE JAVA API. Worked extensively on Distributed caches (oracle coherence) and grid computing (data synapse grid) Working with the latest Java Standard Library APIs introduced in Java 17. ExperiencewithCICDpipelinestointegratetheJavacodetoalignwithDevOpspracticesusingDocker. Expertise n CoreJava Such as OOPs, Collections, Exceptions Handling, Input/output(I/O)System, Swing, Annotations ,Multi-Threading, Lambda and Generics. Experience in Software Development Life cycle - SDLC (Analysis, Design, Development and Testing), requirement gathering, client interaction, Drools, and Blaze rules engine, JSF, JUnit, and Log4j Hands on design and implementation of AI, machine learning algorithms using Python and R. Experienced in Java Web-based, Desktop Based Development with Concepts of, Object Oriented Design (OOD), Object Oriented Analysis (OOA), Object Oriented Programming (OOP) and its implementation. Experience in Designing, developing, testing, and implementing HL7 interfaces. Good understanding of SDLC (methodology) with waterfall and Agile methodologies. 4+ years of experience in PaaS with RedHat Openshift Containers Platform. Architecting, installing and configuring the platform using tools and technologies like Ansible, Nagios, Bash scripting, Git, Elasticsearch, Fluentd, Logstash, Kibana, Cassandra, Hawkular - Metrics, Prometheus, Grafana, Alert manager. Using Kotlin for implementing new modules in the application. An Actimize professional with experience in the Actimize Remote Banking, AML - SAM Solution, InAuth, design, development, and implementation of Actimize projects and products for various financial services clients. Experience in creating buckets in Couchbase Server and inserting the JSON s into the buckets. Strong Experience in implementing Data warehouse solutions in Confidential Redshift; Worked on various projects to migrate data from on premise databases to Confidential Redshift, RDS and S3 Deep hands-on experience on building scalable web service architectures with various relational (MySQL, SQL Server, Red Shift), and distributed database systems (GraphDB, Mongo DB, Elastic Search, Redis). Designing, Deploying, Administering, and Monitoring, optimizing large Distributed data Clusters using MongoDB, Elastic Search. Good knowledge of in Unified Modeling Tools (UML) concepts and extensively worked in designing Use Cases, Class diagrams, Sequence and Object Diagrams using Rational Rose and MicrosoftVisio. Expertiseinunit-testingwithtoolslikeJUnit,Mockito,Spock,TestNgandIntegrationtestingtoolslikeSeleniumWebDriver, Cucumber(BehaviorDriven Developmenttesting). Handsonexperienceindevelopingserver-sideJavaScriptframeworksusingNodeJS(HapiJS,ExpressJS)tobuildeventdriven, non-blocking i/o model webapplication. Strong Database design and development experience, which includes developing Stored Procedures, functions using SQL and PL/SQL in MS-SQL, Oracle, DB2, PostgreSQL databases Experience working with Angular 14/6/8/9 with strong Typescript experience Worked on reading and writing to/from the files by using newly introduced methods in Java 11 Experience in integration tools like Spring Integration, Mule ESB, Apache CXF, Apache Kafka, and Apache Camel to integrate the enterprise application technologies with existing JVM environment. Developed Technical Design (TD), Test Plans (UTP), Test Cases (UTR), Test Scripts for UATtests. Proficient in SQL, PL/SQL developed Stored Procedures, Triggers, Functions and Packages besides writing DDL,DML and Transaction queries with development tools like TOAD and Rapid SQL on MySQ, SQL Server, and Oracle Applications Framework (OAF). Developed mock data generation feature that is integrated with GraphQL IDE interface to allow users to send queries against their custom generated schema and render mock results in order to familiarize users to the GraphQL syntax Experience with Agile development methodologies including Extreme Programming XP, GCP, Agile and SCRUM. Enthusiastic in learning new technologies and methodologies Expertise in writing automation scripts using JAVA and Groovy. Detailed working knowledge and hands-on experience with HL7 V2.x and V3.x interfaces. ImplementedKafkaproducerandconsumerapplicationsonKafkaclustersetupwithhelpofzookeeper. WorkedextensivelywithAPIManagementproductofApigeeedgeinconsumingtheAPI sinimplementingcustomerusecases. Creating comprehensive documentation for Java and PL/SQL code, including data models and database schema documentation. Have knowledge on Kotlin Android Extensions framework. Proven track record of designing, developing, testing, and maintaining robust and scalable applications using Java and Apache Camel in Fuse. DeployedDockercontainedspringbootMicroservicesintoAWSEC2containerserviceusingAWSadminconsoleandusedlambdato run applications inAWS console. Design and implementing Using XML/JSON processing/ transforming using Java 8, Java API s Good Exposure in end-to-end implementation of CICD (Continuous Delivery), DevOps processes using AWS Code Commit AWS Code Deploy, AWS Code Pipeline, Jenkins ,and Ansible. Sterling Connect Direct (MFT tool) in Mainframe Windows and Unix Environment, FTP, Sterling integrator, Sterling B2B integrator. Highly skilled in implementation and execution of automation test in Selenium Web Driver, TestNG, JUnit and creating reports by using ANT and Maven Setup Sterling file gateway for managed file transfer (MET). Worked on Sterling File Gateway for secure file transfer activities. GoodexperienceindevelopingExtJSapplicationswithextensiveservercallsusingAJAXandstrongholdinhandlingtheserverdataandexceptionsto provide interactive user experience. RAML specifications/build experience with MuleSoft. Designing and implementing Java applications that interact with an Oracle Database. Writing unit tests and integration tests for Java 8 code. Technical Skills: Languages Java, Python, C, C++, SQL and PL/SQL J2EESkills Servlets,JSP,JDBC,JNDI,JPA,JMS,JAXB,JSTL,J2EEDesign Patterns, SOAP, and RESTful Web services Web Technologies HTML, JavaScript, Angular, React.JS, ExtJS Frameworks JSF, Spring Frameworks Design Patterns MVC, DAO Pattern, Singleton Pattern, Front Controller, Factory Pattern Database/Tools Oracle9i/10g/11g,IBMDB2,SQL Server2008/2012,TOAD,Hibernate, Aurora Web/App Server Apache Tomcat, Web Logic, IBM Web Sphere, JBoss, OAF IDE/Tools Eclipse, Net beans, Web Logic Workshop, ANTbuildscript, Maven build Methodology OOAD, Agile, BDD, SDLC and UML Operating System Solaris, Linux, Windows, and MS-DOS Version Control CVS, Subversion, GitHub, Clear Case, VSS, MSVisio Client: Costco Wholesale Jan 2022 - Present Issaquah, Washington Senior/Lead Java Full Stack Developer Responsibilities: Work with external teams in TRP to check the requirements and help them in creating the scenario and job json files for data reconciliation process. Deep hands-on experience on building scalable web service architectures with various relational (MySQL, SQL Server, Red Shift), and distributed database systems (GraphDB, Mongo DB, Elastic Search, Redis). Designing, Deploying, Administering, and Monitoring, optimizing large Distributed data Clusters using MongoDB, Groovy, Elastic Search. Gather the data from different resources and store in database and change data for data analysis of system requirements and performance. Wrote an Elastic search Microservices to create update and query elastic search with device and api inventory. Worked in all phases of Software Development Life Cycle SDLC using Agile Methodology. Enhanced performance of jackpot application by 80% by designing new architecture to use s3 files to save data instead of Aurora MySQL. Interacted wifi Confidential internal stakeholders and external partner banks to define new system solution design and reengineered business processes for ACH payments using ISO 20022payments standards Designated UI architecture for the internal web application and worked with designers to constructs conceptual Wireframes and Mockups. Experienced in socket development using UDP and TCP/IP methodologies. Applied best practices of agile development BDD, automated testing, continuous integration, etc. to allow for rapid delivery of high-quality software Worked with Nice Actimize team on issues, which have been reported by client. Worked with time series data, and perform various statistical and (AI) artificial intelligence, (ML) machine learning algorithm such as LMS, regression, filtering, correlation, neural network. Installation of different OpenShift environments in VMware cloud using Ansible playbooks, troubleshooting during the installation, configuration of DNS services, LDAP services Used MBS-100 MODBUS protocols to communicate RTUs poll and control field devices. Created service accounts using Terraform with the respective roles to support the services deployed for managing the GCP. Create configurations for mail boxed, users, profiles, and auditing for Managed File Transfer (MFT) using Sterling File Gateway. Create/Validate/Review Performance Test Plan, Test Scripts (using Jmeter) based on NFRs Optimizing and tuning the Redshift environment, enabling queries to perform up to 100x faster for Tableau and SAS Visual Analytics The mobile application was developed with JAVA mixed with Kotlin using Android Studio and Web API with .NET Core 2 using Visual Studio. Used Cassandra as the backend database to retrieve Data Access Objects. Interacting with client to gather requirement and change request. Performing design and implementation of Artisa Framework, Enterprise Desktop, Merchant Desktop, Loyalty feature etc. Participating in design and core review time to time. Participating in pre-sale activities which include RFP, Proposal Creation, and Estimation etc. Expertise in working with Object Oriented Programming (OOP) Concepts like Polymorphism, Inheritance, Abstraction, Encapsulation and Webservices SOAP (Simple Object Access Protocol), Microservices RESTFul/REST (Representational state transfer), Web services components i.e., WSDL (Web Services Description Language). Worked in functional automation testing using Junit, testing and Selenium Web Driver and Selenium Remote control. Appreciable knowledge on Mainframe concepts and methodologies COBOL, Agile, REXX, JCL, GCP, Jmeter, EAZYTRIEVE. CICS. Developed single page applications using Angular 2, Vue.js, Typescript, web pack and grunt Designed and implemented enterprise-level integration solutions using Apache Camel and JBoss Fuse. Specific skills set used on CP&E-MUMPS, pl/sql. Mainframe, GCP, Cache Studio, Reflections, Java, Spring, Hibernate, Flink, Toad, SOAP UI, C#, Java, Spring Boot, JavaScript, Angular. Independently integrate multiple APIs and new features using React + GraphQL stack. Implemented logging library using angular 14 to share components and services between the libraries. Involved in designing and creating the Database Tables using PostgreSQL Database Worked on investigating and fixing production issues in Oracle EBS 12.2.6. It was possible to fix some of the issues using OAF personalization and for the remaining ones worked on the Controller Extensions. Developed Mongo DB Schemas, functions and procedures. Developed the application using the Data bases like Couchbase and PostgreSQL. Integrating Java applications with Oracle JDBC (Java Database Connectivity) for database communication. Integrating Java 17 projects into CI/CD pipelines. Developed Spark Applications by using Scala, Java and Implemented Apache Spark data processing project to handle data from various RDBMS and Streaming sources. Created and worked with various SQL and NoSQL databases such as AWS RDS Aurora DB cluster, Groovy, MySQL, DynamoDB, and MongoDB and connected to the database through DB Instances using the AWS Java 17 SDK. Experience in migrating on-premises applications to Azure and configuring VNETs and subnets as per the project requirement Also performed PowerShell scripting to do Patching, Imaging, and deployments ts in Azure. Worked on all Major HL7 interfaces ADT, ORM, ORU, DFT, MDM, VXU, OMP/RDE and RAS Working heavily with Java 8, Apache MQ message broker and Google protocol buffers using Java for low latency purposes. Setting the standard for changing the code from XML to Google protocol buffer. The application uses jQuery/JSON for a dynamic and interactive UX. My current engagement also involves the design recommendation of current system, heading weekly meetings with IT and support team on any Actimize issues Hands on experience with Test and Behavior Driven Development TDD BDD using RSpec, Selenium. At a later point, migrated from Express JS to Hapi JS which is configured on top of Node JS to attain better performance, to use built in authentication and authorization techniques. Used PHPCAKE for separating business logic form presentation logic, it was also use to rapidly develop the application in order to meet strict deadlines. Developed Project Specific Java APIs for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts. Understanding the role of FileNet and CSIF framework in the project. Good amount of hands-on experience in developing server-side JavaScript frameworks using Node JS (Hapi JS, Express JS) to build event driven, non-blocking I/O model web applications. Building the web Application from scratch using cache, Drupal & PHP. Developed the terraform script to get the certificates from the bucket and create an SSL cert in the respective project on the. Wrote various data normalization jobs for new data ingested into Redshift Developed custom Camel routes to integrate disparate systems, ensuring seamless data flow. Worked heavily on the design and development of an application which was responsible for order routing and management of one billion records of LSE trading messages every day in gzip format files. RAML specifications/build experience with MuleSoft. Automated data integration processes by developing custom scripts and utilizing Java programming language to streamline data exchanges. Developed the online web application using HTML/CSS & JavaScript, Angular.js /Angular4/5, Vue.js, Node.js, Spring Boot, Spring MVN and Bootstrap. Integrated Kafka and Zookeeper with Flink and Elastic Search Created Several Indexes in Couchbase and also used Full Text Search. Designed the (AI) artificial intelligence, (ML) Machine learning data pipeline for regular monitoring and performance evaluation of the deployed ML models. Developed a RAML based REST web services API's using Mule ESB. Worked on PHP and built object-oriented websites in PHP5. fly without downloading the certs on the local machine Used Neo4j to model supply chain relationships, in ensuring efficient procurement, inventory management, and tracking the flow of materials throughout the project. Worked with Low level programming details (ultra-low latency, Byte Arrays, Bits, and Byte Buffers) to maximize the processing speed. Skills used were Core Java, JSP, AWS, Scala, Jmeter, REST, Groovy, Confidential 'S WSAD/RAD and Sybase Worked on React JS Virtual Dom and React views, rendering using components which contains additional components called custom HTML tags. Setup Sterling file gateway for managed File Transfer (MFT) applications to support FTP/SFTP, AWS, Mainframe, HTTP, GCP, AS2 file transfer protocols. Experience with stream processing using Kafka and Kafka Connect. Architecting a Custom Mobile Widget for Micro Strategy Mobile app (IOS). Troubleshooting Openshift router operation, analyzing stats with different projects to determine the bottleneck Written Automation scripts to validate against databases like oracle, My SQL. Mongo DB Development web service using Windows Communication Foundation and .Net to receive and process XML files and deploy on Cloud Service on Microsoft Azure. Build request payload to post request to Splunk server using angular 14. Writing and optimizing PL/SQL stored procedures, functions, triggers, Actimize and packages. Writing unit tests and integration tests for Java 17 code. Designed and created Confidential web app user interface by using PHP, JavaScript (JSUI, jQuery, JSON, and select2), and HTML5 to maintain internal portal and customer portal. Using lambda expressions, Stream API, optional and JODA time features provided by Java 8. Used Java 17 Method References to point to methods by their names and used functional Interfaces. O Created different Terraform modules as part of foundation (MIG, Cloud SQL, GLB, ILB, Instance, Template) Worked on Node.js Middleware framework like Express.js and Hapi.js and Yeoman, essentially developed microservices and serve them through middleware. Served any Client-side libraries through Microservices. Used Node.JS, React.JS, and Backbone.JS MVC framework for developing the Single Page Application (SPA). Backend development done using Node.js, Koa, Cassandra, and Redis. Experience building Kafka Connector for publishing and consuming Kafka messages. Developed many scripts and Base24-eps interfaces in ISO and non-ISO format Built codebase for a natural language processing and (AI) artificial intelligence, (ML) machine learning framework. Implemented the Restful API using Sequelize.js with Node.js (hapi.js framework). Used JSON Schema identifier to process the parameter files quicker to avoid any exceptions in next steps. Developed application using Telvent software, MBS-100. MODBUS, C/C, FORTRAN, Mainframe, Jmeter, UNIX Scripts, DCL, Oracle, C, .Net, OpenVMS, UNIX AIX and Windows environment. Extensively experienced in design and development of windows and web application using C .NET VB.NET.ASP.NETMVC, WCF, WEB API, LINQ, ADO.NET, ENTITY FRAME WORK, N-HIBERNATE, Bootstrap, Vue.js, JQUERY, Ajax, Redshift, Angular JS, GCP,VB6.0, SQL Server, XML Web Services, ISO payments, Oracle, ADO.ASP 3.0. Advanced knowledge on Confidential Redshift and MPP database concepts. Responsible for verification and validation of inbound HL7 miqgages (NEW, STR, END, PRD, DRG, ALM, TMSI These message types and segments are customized HL7 Messages. Deployed Spring Boot based microservices Docker container using AWS EC2 container services and AWS admin console. Worked with AWS (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Aurora DB cluster and Environment: Eclipse, Visual Studio Code, PostgreSQL, Actimize, Scala, Java8, Vue.js, Mainframe, Jmeter, GCP, Cassandra, Redshift, Couchbase, Kotlin, DevOps, GraphQL, OpenShift, Cache, Kafka, Postman, Mule Soft, Angular 14, React, bootstrap, ASP.NET 4.0, VB.NET, J2EE, Flink, Spring MVC, typescript, Hibernate JPA, Arura MySQL, Microservices, Zuulapi gateway, Restful Web services, Putty, AWS, Git, Spark Cluster, STS, Gradle, Hapi.js, PySpark Client: PNC Financial Services May 2019 DEC 2021 Pittsburgh, PA Senior/Lead Java Full Stack Developer Responsibilities: FollowedAgileSoftwareDevelopmentMethodologytobuildtheapplicationiterativelyandincrementally. Provided a solution to customers, automating the complete Performance testing suite by implementing CI/CD tools (Jenkins) with Github and Jmeter which aligned to regular build release. Designed dynamic and browser compatible pages using HTML5,Blaze rules engine, GCP, CSS3Pre-processors(SASS/LESS), Angular, Typescript, Bootstrap, JDK, Ajax, Groovy, Web Services XML,BDD, automated testing, Mainframe, Fuse, Flink, schemas. Currently developing an application that takes raw CMO/ABS/MBS principal and interest data and converts it to ISO15022. DevelopedUIapplicationinitiallyusingAngularandmadeuseofcustomizedcomponents. ImplementedcustomersidevalidationsusingAngularandcreatedservicesonUIforstoringandretrievingdatafromUI to the backend. Prepared strategy documents for ISO 15022 (SWIFT) standards payments processing, testing, phased roll-out Designed and developed rules in Relationship Case Manager (Actimize), Vue.js, AWS, managing rules and configuring WEB and Application servers. Developed and maintained rule-based systems using the BLAZE Rules Engine to automate complex business logic Proficient in Artificial Intelligence (AI) coding to make mobile as a tough player Developed Scala scripts, UDFFs using both Data frames/SQL/Data sets and RDD/MapReduce in Spark 1.6 for Data Aggregation, queries and writing data back into OLTP system through Sqoop. Customization porting from MicroStrategy 9.2.1 to 9.3.1. Created/harvested Blaze Advisor Templates and Providers to implement specific pieces of business logic to increase efficiency and ensure consistency. Used Hibernate to store the persistence data into the PostgreSQL database and wrote HQL to access the data from the database. Involved and implemented Couch DB, Elastic Search document design Creation and Follow-up of RedHat Cases to solve problems/bugs with the Openshift Platform or OS. Strong experience with Mongo DB development (reports, schema design, map reduce functions) and migrations from SQL relational databases. Developed Servlets accordingly and worked extensively on SQL and Couchbase. Execute conversion using Mainframe technologies. Extensively used tangosol caches including decisions on the types of caches and schemes. Created a stable Automation framework using Selenium WebDriver/JAVA that provided Reporting, Logging & Data base validations. Experience writing apps from scratch in Kotlin with Android studio. Expert in implementing advanced procedures like text analytics and processing using the in-memory computing capabilities like Apache Spark written in Scala. Experienced with version controller like SVN and GIT (Bitbucket, GitHub). Analyzing and optimizing the performance of SQL queries, caches,GCP,OAF and PL/SQL code. Deployed an Azure Databricks workspace to an existing virtual network that has public and private subnets and properly configured network security groups. Integrated the BLAZE Rules Engine with existing Java applications to streamline decision-making processes and improve efficiency. Mapping inbound HL7 Messages to hospital's EHR Systems. Used new Java 11 features such as Lambdas, Streams, Flink, AWS, Groovy, BDD, GCP, automated testing, Observables and Completable Futures etc. Prepared strategy documents for ISO standards ISO 15022 (SWIFT) payments processing, testing, phased roll-out Worked on Node.js Middleware framework like Express.js and Hapi.js and Yoemon, essentially developed microservices and serve them through middleware. Served any Client-side libraries through microservice. Implemented a recursive algorithm to parse large GraphQL introspection queries into a dotfile format in order to visualize the one-to-many relations between schemas in a SVG format. Use Blaze debugger in different execution modes compiled/sequential to troubleshoot and fix runtime issues during the Business As Usual BAU development process. Experience in developing enterprise level solution using batch processing (using Apache Pig) and streaming framework (using Spark Streaming, Apache Kafka & Apache Flink). ImplementedRestfulServicesinSpringBootFrameworkforconsumingandproducingJSONData. Implemented SOA to develop Spring Restful/Microservices and implemented Spring Eureka, Netflix, MicroStrategy, Ribbon as part of Services Discovery using Eureka. Worked with senior architect and data modelers to plan and design Actimize model and its underlying data structure at early stages of the high-level design process. GoodExperienceinReact.jsforcreatinginteractiveUI'susingOne-waydataflow, GCP, AWS, DevOps, PostgreSQL, Virtual DOM, JSX, ReactNative, Jmeter, Fuse concepts. Implemented the Kotlin with Android studio for smooth functioning of the location-based services GPS, Bluetooth on Android. Chatbot design and implementation using API.AI Adding various functionalities in to MicroStrategy Web using event handlers, addons and Transforms. Created OAF forms to enable Confidential to enter/edit/delete header/line/detail level transactions for 8 different yet inter- related custom modules. Experience in developing Spark streaming code in Scala to pull data from Kafka topics Developed Project Specific Java APIs for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts. Persisting Assortments and Products into Couch DB and Elastic Search by performing some validations Architecting a Custom Mobile Widget for MicroStrategy Mobile app (IOS). Developing Extract, Transform, Load (ETL) processes using PL/SQL for data integration. DesignedanddevelopedMicroServicesbusinesscomponentsusingSpringBoot. Worked on Java Message Service JMS API for developing message-oriented middleware MOM layer for handling various asynchronous requests. Developed Java code for testing http service call for ISO8583 messages which was not supported in LISA. Create/review test cases by mocking the data using BR-unit in blaze advisor. Creation and Follow-up of RedHat Cases to solve problems/bugs with the Openshift Platform or OS. Extensive code development to be used on data synapse grids and using tangosol caches. Used Microservices with SpringBoot services and combination of REST, GCP, Actimize, Redshift, Fuse, blaze advisor, Apache Kafka messages. Built Kafka-Spark-Cassandra Scala simulator for MetricStream, a big data consultancy; Kafka-Spark-Cassandra prototypes. Developed web pages using HTML/CSS, Jmeter, Redshift, GCP, Vue.js, and PostgreSQL and JavaScript. Design Develop Batch process using Mainframe technologies to capture the updates from up-streams through nightly batch. Built the customized ETL tool for migrating the data from MS SQL Server to Couchbase server which builds varieties of documents for later use of web services, which pulls the data from Couchbase in JSON format. Experience delivering products or solutions that utilized Machine Learning, Natural Language Processing or other forms of AI (Artificial Intelligence) solutions like machine vision Used Scrum Agile methodology with regular 3-week Sprint cycles working on planned/groomed user stories. Daily Scrum, Sprint cycle Reviews, Retro s and planning meetings in the presence of Product Owner, Scrum Master. Configured Selenium WebDriver, Redshift, TestNG, Ant tool and created selenium automation scripts in java using TestNG prior to agile release. Developing and becoming proficient with new technologies like Java 11,ISO 15022 (SWIFT), BDD, automated testing, React hooks, Spring 5.2. Developed new RESTful API services that work as a middleware between our application and third-party APIs that we will used using Golang. Experience and building an isomorphic application using React.js with GraphQL on server side. Worked on different HL7 Message types like Admit Discharge Transfer. Orders and Results (General and Pharmacy). Worked on Azure Data bricks to use custom DNS and configure network security group (NSG) rules to specify egress traffic restrictions. Worked on the Kotlin for building the backend components and API resources, experience working on JsonAPI for creating multiple API s, Used Couchbase client CBQ workbench to view the document structure and Query APIs. Created configurations for mail boxed, users, profiles, and auditing for Managed file transfer (MFT) using SFG. Implemented ingestion services to connect to RDBMS using Kafka producer API s / Kafka Connect DevelopedHibernatewithSpringIntegrationasthedataabstractiontointeractwithOracle11g,implemented transactions, proxies, locking, HQL, Mainframe, blaze advisor, Criteria, Projection sand Stored Proccalls. Environment: Java, Spring Boot, Hibernate, JPA, Redshift, Vue.js, Jmeter, JavaScript, Actimize, HTML 5.0, Cassandra, Flink, GCP, ISO 15022 (SWIFT),DevOps, Couchbase, Mainframe, Kotlin, Openshift, GraphQL, Cache, Java 11, MuleSoft, CSS3, Angular, Kafka, Scala, MongoDB, Bootstrap, Apache Tomcat, Oracle 11g, Log4J, JDK, Easy Mock, XML, Web Services, SOAP UI, Netflix Eureka, Spark, Git, EurekaServer,Ribbon,ASP.NET 4.0, VB.NET, Agile, PostgreSQL, ,ELK,GIT, AWSSQS. Client: Iqvia OCT 2017 APR 2019 Durham, NC Senior/Lead Java Full Stack Developer Responsibilities: Involved in various phases of Software Development Life cycle (SDLC) of the application like requirement gathering, Design, Analysis, and testing of applications. Designed Activity Diagrams, Use Case Diagrams, Sequence Diagrams and Class Diagrams to design the application. Experience in implementing Managed File Transfer (MFT) applications to support FTP/SFTP, Kotlin, HTTP, and AS2 file transfer protocols. Design, coded and tested key modules of the project using java oops concepts, JSP Design and development of LSR Receive applications using Night fire Framework, Core Java,blaze advisor, JSP. Good knowledge on Bitbucket repository and GitHub repository. Design Develop Batch process using Mainframe technologies to capture the updates from up-streams through nightly batch, execute conversion using Mainframe technologies Participated in Agile (Scrum) methodology and involved in designing and testing enterprise applications. Followed Agile Methodology throughout the project. Developed HTML, servlets,JavaScript,PostgreSQL,Flink,GCP,CSS as a front-end GUI with middle tier framework as Hibernate usingHQL and Struts using MVC framework. Developed various single page applications (SPA) using ReactJs and used various predefined components from NPM (Node Package Manager) and redux library. Configured modules and implemented modular class loading using JBOSS-deployment-structure descriptors files in.ear and .war files. Implemented native and JPA, N1QL queries on Couch Db, Elastic Search to fetch the data according to meet required criteria. Utilized Spark, Scala, Hadoop, HBase, Kafka, Spark Streaming, Caffe, Kotlin, GCP, TensorFlow, MLLib, Redshift, Python, a broad variety of machine learning methods including classifications, regressions, dimensionally reduction etc. Used Project documentation feature: Documented all MicroStrategy objects like reports, prompts, filters and metrics for user reference. Developed reports for MicroStrategy Web users. Experienced in writing live Real time Processing and core jobs using Spark Streaming with Kafka as a data pipe-line system. Implemented the validation error handling and caching framework with Oracle Coherence cache Confidential uses a number of Custom OAF modules as well. Created an automated system to create VMs, storage accounts, Network Interfaces, etc. in Azure. Created Domain Templates to replicate the environment on new WebLogic/JBOSS servers. Enhanced an existing Java micro-service to retrieve specific customers for a store location based on the user IDs provided. Environment:Java1.7, JSF3.0, SOA, Mainframe, Scala, Redshift, SOAP, AJAX,HQL, Cache, GCP, Couchbase, Jmeter, MuleSoft, Kotlin, JBOSS, DevOps, Selenium, PL/SQL, Kafka, JBOSS, Multi-threading, XML, XHTML CSS, JavaScript, WebLogicServer10.3, Oracle10g, SpringMVC, Hibernate3.1, CVS, Cassandra, Swing. Client: EZ solutions PVT ltd, INDIA JAN 2016 MAR 2017 Sr Java Full Stack Developer Responsibilities: Designed and developed new feature "Product Recommendations" in shopping cart using PHP, Knockouts,Ajax, MySQL. Thoroughly performed unit testing and integration testing. Extensively used SASS (Syntactically awesome style sheets) while styling with CSS3. Used Firebug for debugging and for element styling. Wrote services to store and retrieve user data from the MongoDB for the application on devices. Used Bugzilla and Red mine as the bug tracking system to track and maintain the history of bugs/issues on everyday basis. Developing spring boot application using micro services architecture with Spring Eureka to maintain small and lightweight services and communication between these services is done by using API routes for the entire cluster. Web application development for backend using ReactJs with cutting edge HTML and CSS3techniques. Implemented Single Page Design and customized directive and filter criteria by using React JS. Modified existing applications to a suite of micro services and all micro services to facilitate deployment using Spring Boot and Junit and Power Mock frameworks for unit testing. Developed code for Responsive web design in JavaScript using ReactJs, Mainframeand MuleSoft. Environment:Java,ES6,JQuery,Bootstrap,Lodash, PostgreSQL,Mainframe,Axios,Typescript,Ajax,Gulp,Bower,Microservices,Jasmine&Karma,Mocha&Chai,ReactJS,HTML5,CSS3,EJS,Bootstrap,JSON,RESTAPI,JIRA,Junit,Kafka,Log4js,GIT,OSE3,SauceLabs,Pre-processors (LESS),Jenkins. Java/J2EE Developer Client: Infotel India Pvt ltd JULY 2013 DEC 2015 Bangalore, INDIA Responsibilities: Designed and developed UML Diagrams, Use cases, Class, Sequence, and activity Diagrams. Architecting and designing of using Flex for creating Front End and Java for server side to process business logic. Developed user interface with JSP and used JSP Tag libraries to simplify the application complexity. Identified and resolved programming issues, Servlets and EJBs performance tuning opportunities. Developed Service (EJB) components for middle tier component implementation and implementation of business logic and Inter communication between components is developed by using XML. Migration of Web Sphere application server to Tomcat application and used Eclipse IDE and deployed the application on TOMCAT server. Developed dynamic and interactive we based applications using HTML, CSS, and JavaScript languages. Implemented Persistence layer using Hibernate to interact with the MySQL database and performed CRUD operations. Used web logic as the app server for deploying the applications and Used JDBC as the data access layer connecting to Oracle DB. Configured the XML file for spring security injection to ensure the back-end security by discriminating the role of users as well as access authority for the URIs and server-side assets. Environment:Java,Servlets,JSP,JMS,Struts,HTML5,CSS,JavaScript,Oracle10g,Junit,SOAP,SOAPUI,XML,BEAweblogic,SQL, Hibernate,Spring,Oracle11g. Keywords: cprogramm cplusplus csharp continuous integration continuous deployment artificial intelligence machine learning user interface user experience message queue javascript business intelligence sthree database rlang information technology container edition microsoft procedural language Montana North Carolina Pennsylvania