SUMMARY

• Sr. Java developer wif 10+ years of experience in full software development life cycle including requirement analysis, design, coding, testing, debugging and maintenance.
• Designed & developed several multi - tiers Web based, Standalone, Distributed, Client-Server and Multithreaded applications using Object Oriented Analysis and Design concepts and Service Oriented Architecture mostly in cross-platform environments.
• Experienced in designing and development of n-tier web applications using Java and its framework like, spring, Spring Boot, Hibernate, Web Services and J2EE standards.
• Extensive experience in developing JAVA based applications using JAVA, JEE, JDBC, Servlets, JSP, JSF, JMS and Webservices.
• Proficient in implementation of spring frameworks like Spring MVC, Spring IOC, Spring AOP, Spring Data, Spring DAO, Spring Batch, Spring Security.
• Experience in using various JavaScript Web application related libraries such as Angular 2+, React.JS.
• Extensive experience in design and development of J2EE applications using Core Java, Java collection, JDBC, Servlets, Struts, JSF, iBATIS, JMS, JSF My Faces, JPA, JNDI, JSTL, JTA, JAX-WS, JAX-RS, Spring and Hibernate.
• Strong experience in Spring Framework modules such as Spring MVC, IOC, AOP, JDBC, IO, Spring Dashboard, Spring Boot, Spring Microservices, Spring REST, Spring Eureka, Spring Ribbon, Spring Cloud Netflix.
• Hands-on experience in Microservices developing SOA and J2EE Web Services based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
• Experience in XML technologies like XML, DTD, XSL, XSLT, XPATH, JAXB, SAX and DOM Parsers.
• Expert in employment of Spring Kafka, camel and Zookeeper apart from JMS as messaging service, implemented Kafka to load data on Hadoop File Systems, and move the same data to different database systems.
• Experience in design patterns Builder pattern, Business Delegate, Session Facade, Front Controller, Singleton.
• Experience wif relational databases Oracle, SQL, My SQL and NoSQL like MongoDB, Mark Logic, Cassandra.
• Extensive Experience in developing persistence layer applications based on Object-Relational Mapping (ORM) between Java and Database (Oracle) using Hibernate, JPA, Spring Data JPA
• Experience wif Tomcat, Oracle WebLogic Server, JBoss, Apache HTTP Server and IBM WebSphere.
• Proficient in using Amazon Web Services (AWS) SQS, Lambda, Kinesis, EC2, Elastic Beanstalk, Cloud Watch, CloudFront, Cloud Formation, IAM, S3, Amazon RDS, ElastiCache, SNS, AMI.
• Experience wifDocker, leveraging Linux Containers and AMI's to create Docker Images/ containers.
• Expertise in unit testing wif Junit, Mockito, integration testing and automation wif Selenium and CUCUMBER and experienced wif Splunk tool for production support.
• Build CloudFormation and Terraform templates using JSON/YAML and python scripting for cloud infrastructure.
• Strong experience using frameworks like JSP, Struts, JSF, JPA Toplink, in developing scalable, reliable, efficient web and enterprise applications.
• Good experience in developing SOA (Service Oriented Architecture) and Microservices architecture using J2EE Web Services based on Restful (JAX-RS), SOAP (JAX-WS) and JAXR (Java API for XML Registries) using frameworks like Apache CXF, Axis and Spring framework.
• Expertise in ORM tools Hibernate, iBATIS, wif JPA specifications.
• Expertise in Service Oriented Architectures (SOA- Web Services) using Apache Axis, MVC, WebLogic, JBoss Wildfly.
• Extensive experience in multiple testing tools like postman swagger UI to test endpoints.
• Experience in Big Data space like Hadoop and NoSQL.
• Experience in various software developments IDEs like Eclipse, My Eclipse.
• Working noledge wif cloud computing such as AWS EC2, and Microservice container deployment in Docker.
• Integrated CI/CD for deploying code to the development server, then pushing to the live servers.
• Hands on Experience in working wif Databases MYSQL, Oracle, AJAX, SQL-Server, DB2, Dynamo DB.
• Strong server-side coding experience using Core Java, Servlets, JDBC, JUnit, XML, SPRING Framework, Hibernate, XML Schemas.
• Implemented functionalities using Spring IO / Spring Boot wif Thymeleaf and Hibernate ORM.

TECHNICAL SKILLS

Java/J2EE Technologies: Servlets, JSTL, JDBC, JMS, JNDI, RMI, EJB, JFC/Swing, AWT, Applets, Multi-threading, Java Networking.

Programming Languages: Java JDK 1.6/1.7/1.8, C++, C, SQL, PL/SQL, Scala.

Application/Web Servers: WebLogic, IBM WebSphere, JBoss, Tomcat, Bug tracking, Jenkins, Cucumber.

Frameworks: Struts, Spring, Hibernate, JSF, iBATIS, Spring MVC.

Spring Tools: Spring MVC, IOC, AOP, JDBC, JTA, IO, Spring Boot, Spring Microservices, Spring REST, Spring Eureka, Spring HATEOAS, Spring Cloud, Swagger UI, Sleuth, Zuul, Feign Client.

UI Frameworks: jQuery, AngularJS, Bootstrap.

IDEs: Eclipse, IBM WSAD, IntelliJ, WebStorm, NetBeans, RAD.

Web technologies: HTML/HTML5, CSS/CSS3, XHTML, JavaScript, TypeScript, Ajax, jQuery, Angular JS, React JS, Node JS, Express JS, JSON, Angular.

Design Tools: Adobe Photoshop, Adobe After Effect.

Web Services: JAX-WS, JAX-RPC, JAX-RS, SOAP, REST, SOAP UI, Apache CXF.

XML Tools: JAXB, Apache Axis.

Methodologies: Agile, Scrum, RUP, TDD, BDD, OOAD, SDLC.

Modeling Tools: UML, Rational Rose, Visio.

Testing technologies/tools: JUnit, JMeter, HTML Unit, Selenium, Mockito, Jasmine, Karma.

Databases: Oracle, SQL Server, MySQL, MongoDB, Cassandra.

O-R Mapping: Hibernate, Spring data, JPA

AWS Skills: EC2, S3, RDS, EBS, IAM, AMI, ELB, CLI, SNS, RDS, VPN, NAT, GIT, DNS, Route53, DBA, DynamoDB.

Big data Tools: Hadoop, Spark, MapReduce, HDFS, HBase, Zookeeper, Hive, Sqoop, Flume, Neo4J, Redis, MLlib, Couchbase.

Cloud Environments: Azure, Pivotal Cloud Foundry, AWS, Netflix Eureka.

Version Control: CVS, SVN, Git, GITHUB, GITLAB.

Build Tools: ANT, Maven, Gradle.

Messaging Tools: JMS, Rabbit MQ, Apache Kafka, Active MQ, TIBCO, IBM MQ.

Platforms: UNIX, Windows 7/8/10.

PROFESSIONAL EXPERIENCE

Confidential, Mclean, VA

SR. Java AWS Developer

Responsibilities:

• Extensively used Java features such as lambda expressions, parallel operations on collections, multithreading and for effective sorting mechanisms and Streams to store and process the data.
• Used Java features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. Worked on Spring Web Flow on Spring MVC for building flows in our web application.
• Utilizing Java tools in business, Web, and client-server environments including Java J2EE, Java multi-threading, Java Server Pages (JSP), Java Servlets, Struts, spring, Hibernate and Java database Connectivity (JDBC) technologies.
• Implemented Microservices architecture using Spring Boot for making application smaller and independent.
• Configured & deployed Java applications on Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack, cloud formation. Dynamically filtered collection resources using Spring Data Rest.
• Deployed Spring Boot based microservices in Kubernetes, Docker and Amazon EC2 container using Jenkins.
• Created RFP microservices to provide RESTful API utilizing Spring Boot wif Spring Modules (DAO, MVC, Securities, AOP, ORM data), Hibernate (Hibernate Criteria), JPA Toplink, JSP, Struts, SERVLETS, EJB, Mybatis.
• Replacement of struts to Spring Framework using Spring Framework, Thymeleaf, jQuery and MySQL.
• Developed micro services using Spring Boot JPA to fetch the data from the DB.
• Microservices has been built using Spring boot, Spring security and deployed to AWS cloud.
• Creating reproducible infrastructure environments for the microservices architecture (Ansible, AWS CloudFormation).
• Developed RESTful Microservices using Spring Boot for the application to seamlessly integrate wif supporting sub systems. Replacement of struts to Spring Framework using Spring Framework, Thymeleaf, jQuery and MySQL.
• Delivered simple compile-time aspect-oriented programming API dat does not use reflection using Micronaut.
• Generalized JPA Toplink mapping template for the application so dat top link related code could be separated from the actual DAO implementation. Combined imperative code and non-blocking reactive style using Quarkus.
• Developed a fully functional prototype application using JavaScript and Bootstrap, connecting to a REST service hosted on AWS using API Gateway and used Dynamo DB.
• Wrote and executed various MYSQL database queries from python using Python-MySQL connector and MySQL dB package. Developed scripts for build, deployment, maintain and related task using Jenkins, Maven, Python, Bash.
• Developed wif python scripts for real Device simulation and testing.
• Developed components represented in our design system using React and Typescript and Styled Components library.
• Utilized isomorphic React and Redux to create a fast, responsive user experience for dis application.
• Developed various web applications /web pages using HTML5, CSS3, JavaScript, React.JS, Angular 4, NodeJS. Designed various web concepts like security (OAuth, SiteMinder and OpenID), session controlling, storage.
• MySQL was used as RDBMS. Hands on experience creating E-R diagram, complex queries and sub queries.
• Responsible for designing and managing the Sqoop jobs dat uploaded the data from Oracle to HDFS and Hive.
• Extensively worked wif Database by writing queries using NoSQL, Oracle, SQL server, MongoDB, MySQL, JDBC. Used Redis for caching and Elastic Search which resulted in enhanced performance of the application.
• Designed and developed Restful API and services using best practices to interact wifin the microservices and wif the front-end using Spring MVC and Spring Rest. Security is provided via tokens(jwt) and Spring Security.
• Expertise in Service Oriented Architectures (SOA- Web Services) using Apache Axis, MVC, WebLogic, JBoss Wildfly.
• Used Maven to build and deploy application JAR into JBoss Wildfly server. Used, GIT for back up.
• Used Maven as a build tool and created the framework wif selenium, selenium grid, java, TestNG, BDD cucumber-JVM and page object page factory design pattern. Used Swagger annotations to generate Swagger documentation.
• Installed and configured SonarQube in the dev server for Code analysis and integrated Sonar plugin in out Gradle build and Jenkins. Worked on OpenShift and exploring Dockers and Kubernetes.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development, Incremental and Iteration methodology and Pair Programming. Developed Test Cases using EasyMock and used POSTMAN to test REST Calls.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, and Auto scaling groups, Optimized volumes and EC2 instances. Expertise wif NoSQL databases like HBase, Cassandra, DynamoDB (AWS) and MongoDB.
• Experienced in core AWS services (S3, EC2, ELB, Route53, VPC, Subnet, Auto Scaling, cloud Trail, cloud Watch, ECS etc). Good noledge on other services in AWS like DynamoDB, SQS and SNS.
• Configured and Managed EC2, Elastic Beanstalk, RDS, S3 Buckets, VPC, Security Groups, ECS, Auto scaling, ElastiCache, Glacier, SNS, SQS, SES and CloudWatch. Used AWS Data Pipeline for creating complex data processing workloads.
• Worked on real-time streaming using AWS Kinesis and Event Driven Design using AWS Lambda.
• Involved migrations process from Hadoop java map-reduce program to Spark-Scala APIs.
• Utilized Ansible and AWS lambda, elastic cache and cloudwatch logs to automate the creation of log aggregation pipeline wif ElasticSearch, Logstash, Kibana stack (ELK stack) to send all our team's logs coming into cloudwatch, to process them and send them off to ElasticSearch. Implemented business rules using RedHat JBoss BRMS and Drools API. Extensive experience in setting up CI/CD pipelines using Jenkins, IBM Urbancode Deploy (uDeploy).
• Used Azure cloud storage for storing huge number of messages wif Kafka in an azure instance as a message broker. Leverage WebLogic JMS for SOA Messaging and ActiveMQ for enterprise messaging.
• Integrated configuration management and bug tracking tools such as the GIT SCM and JIRA web-hooks.

Confidential, Hartford, CT

Sr. Java Developer

Responsibilities:

• Written custom JAVA code for Export, Undeploy, Start, Stop SOA composite services deployed on EM console.
• Created Java proxy services for SOA services from to call from external Java classes.
• Developed java modules implementing business rules and workflows using Spring Boot, Quarkus and Micronaut.
• Implemented functionalities using Spring IO / Spring Boot wif Thymeleaf and Hibernate ORM.
• Created and modified services following microservice architecture using Java, Spring and Struts.
• Created RESTful APIs in Java environment using JAX-RS and Node.JS. Worked on creating log-in authentication modules using AngularJS and JavaScript.
• Developed AngularJS and foundation-based UI Screens using HTML, CSS and Ionic framework.
• Hands on Experience wif Angular CLI and the strong typing in TypeScript.
• Used ES6 and JSX wif react for component development.
• Used Bootstrap for designing web pages to get responsive designs.
• Worked collaboratively wif a distributed team using Agile methodology.
• Used prototype websites wif custom WordPress themes.
• Developed Python scripts in Jenkins’s workflow for validation of incoming YAML payload from ServiceNow, checking if group bound to GCP project.
• Integrated configuration management and bug tracking tools such as the GIT SCM and JIRA.
• Experience wif Responsive and Adaptive Design using Media Queries, Twitter Bootstrap and JQuery Mobile.
• Used JavaScript for writing listeners in the dialogs.
• Developed validation for contact us page using HTML, CSS, JavaScript.
• Used Angular.JS Factories and Services to make Ajax calls or Restful Calls to get data in JSON Format.
• Responsible for Java profiler and JMeter load testing the error rate was reduced.
• Worked wif responsive design and modular CSS using IntelliJ IDE.
• Used Maven to build and Code deploy application JAR into JBoss WildFly server.
• Developed and debugged stored procedures using PL/SQL to map legacy data into Oracle database.
• Designing and managing relational database MySQL and crawling and populating data.
• Extensive experience in writing Junit's using EasyMock and Power Mock frameworks.
• Developed the complex queries using JPA annotations in the POJO.
• Used Nginx as load balancer and Auto Scaling to pass requests to NodeJS server wif the cors.
• Implemented Persistence layer using Hibernate to interact wif the Oracle database.
• Worked on Swagger API and auto-generated documentations for all REST calls.
• Used Postman and SOAP UI to test the web service calls.
• Implemented JWT for user authentication to ensure users work wif their own relative content.
• Responsible for accessing REST APIs using OAuth Authorization Token and storing the data in the MongoDB using Node.JS Scripts.
• Orchestrated and migrated CI/CD processes using Cloud Formation and Terraform, packer Templates and Containerized the infrastructure using Docker, which was setup in OpenShift, AWS and VPCs.
• Used fragments instead of activities to comply wif DRY principal and SOLID principles.
• Utilized SonarQube, Message Broker Active MQ tool measured and analyzed the quality of source code.
• Followed Kanban board and Scrum methodology in development lifecycle process.
• Used GIT version control, Jira to track the issues and Crucible for Code reviews.
• Used AWS resource tagging to identify and categorize resources by function, environment and platform criteria.
• Used SWAGGER a set of open-source tools built around the OpenAPI specification dat ca halp build design, document and consume REST API Architecture.
• Developed test-driven development (TDD) and continuous integration using JUnit, JBehave and Jenkins.
• Extensive experience in writing Junit's using EasyMock and Power Mock frameworks.
• Used Pytest to write small tests yet scales to support complex functional testing for applications and libraries.
• Used JMeter and Cucumber for End-to-End testing.
• Utilized MapReduce framework and dataflow design in Amazon S3, DynamoDB.
• Used APIGEE as an API gateway for APIs transformation, multiple authentication mechanisms.
• Worked wif various schema for Application, Data Processing and Data warehouse dat resides in AWS RDS database (PostgreSQL), Dynamo DB.
• Experience wif deploying and managing Microservices using technologies and tools such as Docker, and Kubernetes.
• Developed Portlets wif Websphere portlet factory designer by creating models containing builders to access SOA services and present to the user.
• Used micro service architecture wif Spring Boot-based services interacting of REST and Kafka.
• Created Cloud Formation template stacks to automate for building new VPCs using JSON files.
• Used Spring Security for OAuth authentication, by configuring Spring Security into Spring MVC application.
• Design, develop and deployed an authentication and control system based on JSON web token (JWT) and Redis and MongoDb
• Developed the application using Eclipse and Intellij idea as the IDE and used eclipse standard/plug-in features for editing, debugging.
• Used Maven to build and deploy application JAR into JBoss WildFly server. Used, GIT for back up.
• Used GIT for version control. Wrote Automated Unit Tests for new and existing features wif PHPUnit.
• Worked in DevOps group running Jenkins in a Docker container wif EC2, ECS, S3, RDS slaves in Amazon AWS cloud configuration.
• Use AWS Serverless Lambda, Cognito, SQS, APIgateway, Dynamo DB, Java to develop a system dat support genomics data process.
• Worked on gang of four technologies to develop an application.
• Architected security improvements including SAML-based SSO and SSL capabilities.
• Experience in developing applications wif messaging using JMS, Tomcat, RabbitMQ and AMQP.
• Created Kubernetes, Elastic Search yaml files for deploying, scaling and rolling update.
• Deployed the application using AWS Elastic BeanStalk and monitor EC2 servers’ performance using CloudWatch.
• Integrated backend processes wif SES, SQS, SNS communication and elasticache storage.
• Responsible for designing architecture by developing Abstract Modules in Zend.
• Building serverless ETL user clickstream pipeline in Django using AWS Kinesis and Hadoop.
• Involved in writing Linux Shell Script for performing automated tasks.
• Used various design patterns like MVC, Singleton, Value Object and Factory.

Environment: Java, Spring boot, Quarkus, Thymeleaf, Micronaut, JPA, Hibernate, JavaScript, HTML,CSS, Angular, Ajax, MySQL, Oracle, PL/SQL, MongoDB, CI/CD, Profiler, SOA, REST,JSON, Oauth, JWT, IntelliJ, JBoss WildFly, GIT, Swagger, Junit, EasyMock, JMeter, Postman, SonarQube, python, Agile, Scrum, AWS,EC2, S3, RDS, APIgateway, Load Balancer, Auto Scaling, Dynamo DB, Dockers, Kubernetes, ECS, Cloudwatch, SES, SQS, SNS, TypeScript, ES6, Bootstrap, bug tracking, Elastic Search, Kinesis, Hadoop, Message Broker Active MQ, Elastic Beanstalk, Code Deploy, lambda, SSO, SSL, Maven, JIRA, Microservices, JMS, Tomcat, Linux, Solid Principles, Gang of Four, Composite, Proxy, Abstract, Prototype, Singleton, Factory.

Confidential, Indianapolis, IN.

Java Developer

Responsibilities:

• Used Java/J2EE Design patterns like MVC, Factory Method, Singleton, and Data Transfer Object (DTO) Service Locator. Developed WebJava/J2EE application (JSP, EJB) using Struts/Tomcat/Xerces for Sybase
• Presentation tier was incorporated using JSP, HTML, CSS, AJAX and JavaScript. Involved in all phases of SDLC. Interacting wif the client and analyzing the requirements to halp and understand the requirements.
• Designed Class diagrams, framework and developed Use case diagram and Sequence diagram.
• Worked closely wif product management teams to strategize design solutions, produced navigation flows and prototypes. Instrumental role in the development of Hi-fidelity prototypes using HTML, CSS, Jquery, Javascript,
• Use of Java Collection API and classes such as HashMap, Array List and Vectors.
• Implemented database transactions using Oracle, Java, JDBC, Hibernate ORM framework.
• MySql was used as RDBMS. Hands on experience creating E-R diagram, complex queries and sub queries.
• Developed client facing User interfaces using Eclipse RCP to interact wif Apollo Server.
• Worked in an Agile team and CI/CD Pipeline, and Automation environment wif emphasis on providing fast paced deliverables.
• Wrote a prototype on Go to improve performance of report generator.
• Used Mercurial for Version Control tool and Jira for bug tracking tool.
• Turned mockups into highly customizable themes using SASS, and JQuery.
• Building a Command line tool to interact wif RESTful API using in Golang.
• Imported and managed multiple corporate applications into SVN.
• Developed client facing User interfaces using Eclipse RCP to interact wif Apollo Server.
• Made a vast use of GIT for version controlling.
• Used Backbone JS and Require JS to create Views to hook up models to the DOM and synchronize data to/from server.
• Worked as WebSphere MQ Developer, installed MQ client and MQ server on various platforms.
• Created testing tools to speed Q/A work using bash/zsh, Clojure, and SQL/Postgres.
• Experience in all phases of software development life cycle of Agile Methodology.
• Created Auto Scaling and load balancers in the defined Virtual Private Connection (VPC)
• Built and deployed WAR file on JBoss application server. Used VSS for version control of project files.
• Involved in QA support and deployed the application on Production server and supported for the real time issues. Developed application using MyEclipse for rapid development.

Confidential, Knoxville, TN

Sr. Java Developer

Responsibilities:

• Designed, Developed and Tested the Portals using Java and Liferay Portal Technology.
• Developed business components using Spring and hibernate.
• Expertise in ORM tools Hibernate, Hibernate Criteria, iBATIS, Mybatis, wif JPA specifications.
• Converting the design style guide into the HTMLs using HTML, CSS, XML and JavaScript.
• Used Apache Kafka cluster as messaging system between the APIs and Microservices.
• Create and manage SQL server express database in C#.
• Worked collaboratively wif a distributed team using Agile methodology.
• Implemented JAVA Web Services based on SOA architecture wif SOAP and WSDL.
• Leverage WebLogic JMS for SOA Messaging and ActiveMQ for enterprise messaging.
• Used OAuth for single sign on authentication across the application.
• Developed SOAP based CICS web services to get data from DB2 database.
• Developed several JSON APIs using Ruby on Rails framework.
• Troubleshoot, debug and resolving issues in JIRA and Confluence as users.
• Used Struts, Servlet and JSF framework to maintain MVC and created action forms, action mappings, DAOs, application properties for Internationalization etc.
• Developed (TDD) and continuous integration using JUnit, Maven, JBehave and Jenkins.
• Performed load testing using JMeter and developed Java 8 code to improve performance.
• Created custom OSGi services and servlets using CFX, Eclipse IDE wif Maven.
• Used SVN for code repository and version control.
• Used AWS S3, RDS, JSP to store code bundles to deploy onto EC2 Instances.
• Used REST Client and POSTMAN to test the rest-based services.
• Wrote test script on Tomcat, Linux to run Java application using CAML provide UDP.

Environment: Java, Spring, Mybatis, Struts, JSF, Javascript, HTML, CSS, DB2, MS SQL, Oauth, XML, Apache, CFX, Eclipse, Weblogic, SVN, Junit, JMeter, Postman, Agile, AWS S3, EC2, RDS, JSP, Servlet, maven, JSON, JIRA, SOA, Tomcat, Linux.

Confidential, Pleasanton, CA

Software Developer

Responsibilities:

• Having excellent noledge of ORM Frameworks Top Link, Hibernate and Java Persistence API.
• Developed test Code in Python language using Selenium IDE, Axis, JQuery and JUnit Framework.
• Developed business components using Struts, JSP, Spring and hibernate.
• Developed application logic using Python, Jython, XML, HTML, CSS and JavaScript.
• Designed the backend framework wif Spring Boot and made the configuration of MyBatis, Ant, and Log4j.
• Developed and debugged stored procedures using SQL and MYSQL to map legacy data into Oracle database.
• Worked in an Agile/Scrum, Linux Environment wif RAD Model.

Environment: Java, Spring, Hibernate, JSP, Struts, Junit, Log4j, JavaScript, HTML, CSS, JQuery, Axis, XML, Ant, Oracle, SQL, MYSQL, UNIX/Linux, Scrum, Agile.