SUMMARY

• AWS Certified Java Developer/Full Stack Java Developer with 7+ years of experience in Analysis, design, and development, testing, documentation, implementation of various applications and web applications on Multi - Tier Distributed Architecture using JAVA, J2EE, and Spring, Hibernate technologies with Software Development Life Cycle (SDLC) in Health care, Banking, e-commerce etc., Domains.
• Expertise in software design patterns/frameworks J2EE Design Patterns (Business Delegate, Composite Entity, Composite View, DAO, First lane Reader, Front Controller, Intercepting Filter, MVC, Service Locator, Session Façade, DTO, Value List Handler, View Helper) and GOF Design Patterns (Creational Design Pattern, Structural Design Pattern, Behavioral Design Pattern).
• Good exposure on entire Software Development Life Cycle(SDLC) methodologies like Waterfall, Agile/Scrum. Requirements Collection, Design, Implementation and testing activities. Also had experience in involving in complete SDLC life cycle till post production in multiple projects.
• Extensive experience in Amazon Web Services (EC2, RDS, Redshift, Elastic Load Balancing, SQS, SNS, AWS (IAM) Identity and access management, AWS Cloud Watch, Elastic Beanstalk and Cloud Front).
• Experience involving configuring S3 versioning and lifecycle policies to and backup files and archive files in glacier. Hands on experience in AWS infrastructure on various resources IAM, EBS, Security Group and Auto Scaling in Cloud Formation JSON templates and some internet technologies including TCP/IP and HTTP.
• Good familiarity with Data Mining, Data Analysis, Machine Learning, OLAP, OLTP Systems, Neural Networks.
• Experienced with event-driven and scheduled AWS Lambda functions to trigger various AWS resources.
• Extensive programming experience in Core Java concepts including Multi-Threading, Exception Handling, Collection API, Collections, Data Structures, Regex, Generics, Algorithms, Object Oriented Programming (OOPs) concepts like Polymorphism, Inheritance, Abstraction, Encapsulation…etc.
• Extensive experience in design and implementation of client/server and web applications using Java/J2EE Technologies (Servlets, JSP, JSTL, JDBC, EJB, JMS, MQ, Struts, XML, Java Multi-threading API, Swing, Spring, Hibernate and SOAP & REST/Restful Web Services).
• Experience in developing web application using various Frameworks such as Struts, Spring Framework, Hibernate ORM. Experience in implementing the various services using Microservices architecture in which the services working dependently, implemented Spring Boot Microservices to divide the application into various sub modules.
• Strong experience in Spring modules -Spring MVC, IOC, AOP, JDBC, JTA, DI (Dependency Injection), Spring Boot, Spring, Microservices, Spring REST, Spring Eureka, Spring Ribbon.
• Experience in Microservices-Spring Boot, Pivotal Cloud Foundry (PCF) and Engagement using Spring Boot.
• Experienced in developing the Enterprise and Web applications on n-tier Architecture using Java/J2EE and java-based technologies such as Servlets, JSP, Hibernate, Spring, EJBs, Struts, JNDI, Web Services, XML, JPA, JMS, and JDBC.
• Experience in developing light weight business component and integrated applications using spring framework using features like Inversion of Control (IOC) and configuring application context for spring bean factory.
• Extensive experience in designing, developing and implementing Model View Controller (MVC) using Struts, Spring Framework, Hibernate ORM framework.
• Good familiarity with Spring AOP for Logging, Transactions, and Messaging.
• Experience in LDAP for authentication scheme and in middleware technologies, MQSeries.
• Extensive Design, implement and test services experience in a Micro Service-oriented architecture and has implemented the REST based Microservices using the Spring Boot, Spring Data with JPA (Java Persistence API).
• Extensive experience in developing web applications using Struts framework implementing Action Classes, Action Forms, Struts Validation Framework, Struts Tiles, and Struts Tag Libraries.
• Extensive experience in system analysis, design, development and implementation of web-based application using HTML5, CSS3, JavaScript/ECMAScript/JScript, AngularJS, Angular 2, Angular4, TypeScript, Node JS, AJAX, jQuery.
• Proficient in working with Angular2 and Angular4 to create Single Page Applications (SPA).
• Experience in working with Cloud technologies like Amazon Web Services (AWS) and Cloud computing infrastructure such as Amazon Dynamo DB, Amazon SQS, Redshift.
• Good working experience in Performance Tuning and Query Optimization in AWS Redshift and microservices.
• Good knowledge in Configuring, Monitoring and automating Amazon Web Services (AWS) as well as involved in deploying the content cloud platform on Amazon Web Services using EC2, S3, SQS, SNS, and EBS.
• Knowledge in Docker Components like Docker Engine, Docker Hub, Virtual Machine and Docker Registry, Docker containerized applications and deploying Chef-Server on AWS.
• Expertise in deploying applications on Application Servers and Web servers - IBM WebSphere, WebLogic, J Boss, Apache Tomcat, and Glassfish System Application Servers.
• Strong working knowledge on Relational and NOSQL databases like MS-SQL, Oracle, MongoDB, Sybase, MySQL, CouchDB, Cassandra, PostgreSQL, Redis, Teradata.
• Experience in implementing Web Services based on Service Oriented Architecture (SOA) and Monolithic architecture using SOAP, Restful Web Services, JAX-WS, UDDI, WSDL, WADL.
• Expertise in Cutting Edge Technologies like EJB, JMS, JTA, XML and Web Sphere MQ Series with strong experience in Developing and Deploying Enterprise Java Beans on Application Servers like WebLogic, WebSphere and J Boss.
• Experience working with cloud technologies like Amazon Web Services (AWS), Microsoft Azure, Pivotal Cloud Foundry (PCF), Google cloud, Rack Space…etc.,
• Strong familiarity with Python Scripting, Docker, Linux shell Scripts, Configuration Management, Jenkins, PostgreSQL, Redis, Flask, PaaS / IAAS.
• Good working experience on bug tracking tools like JIRA, Bugzilla, and Remedy Testing phase.
• Extensively worked on debugging using Logging Frameworks such as Apache Log4j, Performed Unit testing, Integration Testing& generating of test cases for web applications using Junit, Jenkins and Log4J.
• Experience in using Maven, Gradle, Ant.
• Strong understanding on working with SCM/Version Control Management Tools Git, Git Hub, Git Lab and Bit Bucket
• Expertise in working with Integrated Development Environment (IDE) tools such as Eclipse, IntelliJ Idea IBM Web Sphere Studio Application Developer (WSAD), Rational Application Developer (RAD), Oracle JDeveloper and NetBeans.
• Experience in using MVC (Model-View-Controller) architecture for developing applications.
• Expertise in programming using Scala, built Scala prototype for the application requirement and focused on types of functional Scala.
• Extensive experience in working on design, development, testing, implementation, deployment, enhancements & production support in Linux/Unix and Windows environments/Platforms.
• Expertise in Unit testing using JUnit & Mockito, Integration testing, Smoke testing & System testing.
• Highly motivated self-starter with Excellent Communication, Presentation, and Problem-Solving Skills and committed to learning modern technologies.
• Excellent analytical and critical thinking, creative problem solving, quick learning, interpersonal and client interfacing skills.

TECHNICAL SKILLS frameworks: spring boot, spring mvc, spring ioc, spring transactions, spring security, SPRING BATCH, spring orm, spring tiles, spring aop, hibernate orm, jpa, spring jdbc, Spring integration, Apache tiles, ibATIS.

Web application servers: Apache tomcat, jboss, glassfish, websphere

UI: HTML5, css3, Bootstrap, javascript, ajax, jquery, json, jsp, jstl, angular js, angular 4. debugging tools: jira, bugzilla

Data base: postgres sql, mysql, mongo db, redshift, ms sql, oracle, redis. ide: eclipse, intellij idea, sublime, atom, visual studio webservices and message services: soap, rest, Apache kafka, Active mq, Rabbit mq. version control: git, git hub, bitbucket, git lab, svn build and deployment: maven, ant, gradle, jenkins.

SDLC methodologies: water fall, agile(scrum) testing: junit, mockito, reflection, power mock, SELENIUM, integration and system testing design patterns AND ARCHITECTURES: j2ee design patterns, gof design patterns.

Debugging tools: JIRA, CRM, Bugzilla, Remedy, Rational Clear Quest.

Cloud tools: AWS EC2, S3, GLACIER, RDS, CLOUD WATCH, CLOUD FRONT, ELASTIC BEAN STALK, EBS, IAM, SQS, SNS, ELB, LAMBDA, DYNAMO DB, CLOUD 9, AUTO SCALING, PIVOTAL CLOUD FOUNDARY (PCF).

OTHER TOOLS AND TECHNOLOGIES: PUTTY, WINSCP, MOBAXTERM, SHELL SCRIPTING, VIRTUAL BOX, VM WARE WORKSTATION, Log4J

Operating Systems: Windows, RHEL Linux, Ubuntu, Unix.

PROFESSIONAL EXPERIENCE

Confidential, Foster City, California

Sr. Java/full stack Developer

Responsibilities:

• Working in Agile, Scrum Environment’s and participated in requirement gathering, analysis, and design, Development.
• Creating, consuming web services with Spring rest repositories and rest template.
• Migrated legacy spring application to spring boot.
• Utilizing Java 11 with feature var to create and store objects, Java 8 features Lambda expressions, Stream APIs, Optional class, Method references, for each method and Date/Time APIs.
• Using ActiveMQ’s with JMS Topics with Spring Boot starter ActiveMQ, using IO sockets and listening to services continuously.
• Using Async annotations to run method asynchronously and using scheduler for run tasks with schedule.
• Creating multiple time buckets to showing data monthly, weekly, daily and hourly.
• Using zero turnaround for running shell and NVIDIA commands from spring boot java application.
• Using Imgscalr to scale images with different sizes.
• Used spring security for creating application security, with multiple roles and privileges, remember me and authenticating to application.
• Using project Lombok and spring Boot Dev tools for POJO methods, Log4J and for auto compilation and auto running application.
• Using MongoDB to store and querying for the data and Composed and executed MongoDB scripts to insert.
• Using Spring boot data mongoDB with Mongo Repositories, Mongo template and GridFS template or GridFS Operations.
• Configured internode communication between MongoDB nodes and client using SSL encryption.
• Writing shell and python scripts to deploying the application and used Jenkins creating jobs and pipeline project.
• Using Bootstrap, Material, jQuery, CSS, HTML5, Java script and Ajax in front end creating Data tables with multi select. jQuery data method is used to associate data with DOM nodes and JavaScript objects.
• Using bit bucket and source tree and git for version control.
• Using Maven and deployment configurations and dependency management done in pom file.
• Using spring boot starter thyme leaf template in spring boot application for HTML and configuring resources
• Using send grid for email service. Creating custom Docker container images, tagging and pushing the images.
• Followed TDD (Test Driven Development) methodology to write unit tests with JUNIT and Mockito.
• Creating mongoDB sessions to storing sessions temporarily.

Environment: Linux, Windows, Mac, Java, J2EE, JDK, Git, Scala, Core Java, SOAP/Rest, Python, shell, JavaScript, UML, HTML5, CSS, JIRA 5.x/6.x, JAXB, Linux, JAX-WS, JAX RPC, JMS, UNIX, Selenium, MongoDB, AJAX, Apache jQuery, Maven, EMR, Eclipse, Spring tool suite, IntelliJ.

Confidential, Chicago, IL

Sr. Java/full stack Developer

Responsibilities:

• Working in Agile, Scrum Environment’s and participated in requirement gathering, analysis, and design, Development, Testing, Implementation.
• Defining and constructed layers, server-side objects and client-side interfaces on Java/J2EE design patterns.
• Developing and implementing the Web Application by using Spring MVC framework.
• Utilizing Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Used Core Java concepts collections, generics, Concurrency to improve the performance of the applications and to schedule tasks using Multithreading.
• Creating Multiple & Nested Views, Routing, Controllers, Services and Custom Directives, Bower, and Grunt.
• Created a Lambda job to trigger UNLOAD from Redshift to S3 bucket.
• Creating Single Page Application with the help of Angular4 Module and used template routing for bread crumb and other features.
• Prepared implementation plan and deploy applications to Cloud (Pivotal Cloud Foundry) and Tomcat server in various environments like QA and PROD.
• Used AngularJS in creating animations based on CSS classes for a new requirement surfaced for the client.
• Involved in the process of Design, Coding and Testing phases of the software development cycle, involved in designing Spring boot application and Spring JPA
• Strong Knowledge on Spring JPA and in using JQL, Collections, Hibernate Caching, Spring JPA Transactions.
• Worked on performance tuning of cluster using MongoDB, configured internode communication between MongoDB nodes and client using SSL encryption.
• Worked on SOA Web Services using SOAP for transmission of large blocks of XML data over HTTP.
• Using the Eclipse as IDE configured and deployed the application onto Tomcat server.
• Using a Microservice architecture, with Spring Boot-based services interacting through a combination of REST and Apache Kafka message brokers
• Developing Microservices using Spring Boot, Spring Security, and deployed to AWS.
• Implementing the associated business modules integration using Spring and Hibernate data mapping.
• Using Spring dependency injection, annotations and Spring MVC components to implement business layer and navigation part of application.
• Exposed and consumed SOAP based Web Services to communicate between systems.
• Created RESTful web services interface to Java-based runtime engine.
• Using ActiveMQ to improve the stability and scaled the system for more concurrent users.
• Configured and verified AWS workstations as per application requirement.
• Experience with Eclipse toolbar, open the drop-down Amazon Web Services menu (identified by the AWS icon) and select AWS Lambda Java project.
• Working on creation of custom Docker container images, tagging and pushing the images.
• Used JMS for reliable and asynchronous exchange of essential information such as payment status report.
• Writing SQL queries, stored procedures and enhanced performance by running explain plans.
• Composed and executed MongoDB scripts to insert and update NoSQL database automating data changes and reporting and managing and maintaining Oracle and NoSQL databases in production domain.
• Worked with departments to maintain existing JIRA projects.
• Used the Gradle to configure the build.gradle to build and manage the application.
• Using Gradle goals for testing and packaging the various components and releasing on Apache Archive for easy accessibility and maintenance within the organization
• Using Jenkins with Gradle to Compile & Build Microservices java code and configure Build Triggers.
• Elastic Cache can be run in the Amazon Virtual Private Cloud (Amazon VPC) environment and Redis can use Elastic Cache with almost no modification.
• Performing Smoke Testing and Functional Testing with Selenium in multiple Java platforms.
• Followed TDD (Test Driven Development) methodology to write unit tests with JUNIT and Mockito.

Environment: Linux, Windows, Java, J2EE, JDK, AWS, SDK, Ext JS, Git, Swing, JFC, Spring 4.x, AWS SNS/SQS, RDS, Redshift, Hibernate4.x, Scala, Core Java, SOAP/Rest, Python, JavaScript, Clojure, UML, HTML5, CSS, SASS, RAD 7, WAS 8 WSDL, SDK’s, JIRA 5.x/6.x, JAXB, Linux, JAX-WS, JAX RPC, JMS, UNIX, Selenium, MongoDB, AngularJS, Angular2, Angular4, ReactJS, AJAX, Apache jQuery, Maven, EMR.

Confidential

Sr. Java Developer

Responsibilities:

• Analysis and understand the business requirements and implemented the process using Agile (Scrum) methodology. Worked on High level and low-level system design, planning, estimation and implementation.
• Developed presentation layer using JSP, JSF, HTML5, CSS3 and client validation using JavaScript, DOM.
• Used two-way data binding features of AngularJS to implement Data binding to bind various server controls to the data from database.
• Implemented animation and styling using CSS3 and jQuery.
• Worked on High level and low-level system design, planning, estimation and implementation.
• Developed presentation layer using JSP, HTML, XHTML, CSS and client validation using JavaScript, DOM.
• Used two-way data binding features of AngularJS to implement Data binding to bind various server controls to the data from database.
• Involved in writing JSP (java Server pages) and Java Server Faces (JSF) components. Used JSTL Tag library to create standard dynamic web pages.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Used Web Services for creating rate summary and used WSDL and SOAP messages for getting useful plans from different module.
• Implemented Multithreading, Concurrency, Exception Handling and Collections whenever necessary.
• Designed and integrated the full-scale Spring / Hibernate persistence solution with the application architecture.
• Implemented Object Relational Persistence (Hibernate) for the domain model.
• Involved in design and development of the Hibernate Domain Model for the services.
• Worked on web services and associated business modules integration.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework including JSP, and Servlets.
• Involved in identifying and implementation of different J2EE design patterns like Service Locator, Business Delegate, and DAO.
• Worked in wide-area network to maintain all the device related data onto MYSQL database.
• Developed the DAO layer for the application using Spring Hibernate template support.
• Used JMS API for communication between the components.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications.
• Used JUnit and build tools such as MAVEN. Worked on Log4j for logging errors, messages and performance logs and SVN for version control.
• Deployed and tested the application in UNIX on IBM Web Logic Application Server.

Environment: Java, Multithreading, Concurrency, Exception Handling, J2EE, HTML, Hibernate, Java SDK, Web Logic, SOA, Micro Services, WSDL, UDDI, SOAP, JavaScript, JMS, Struts, JSON, Servlet, JSP, CSS3, HTML, jQuery, AngularJS, AJAX, JDBC, Oracle, Maven, MySQL, Log4J, SVN, UML, JAXB, XML, Scrum, Unix/Linux, Junit.

Confidential

Java/J2EE Developer

Responsibilities:

• Participated in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Used Web services (SOAP) for transmission of large blocks of XML data over HTTP
• ANT Tool was used for the entire build process
• Designed and developed application based on MVC design pattern using struts Framework
• Developed complete Business tier with stateful session beans and CMP Entity beans with EJB 2.1 standards
• Designed and developed the UI using Struts view component, JSP, HTML, CSS, and JavaScript
• Used Node.JS for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring AOP, Spring Boot, Spring Batch, and handled the security using Spring Security.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template and Spring IOC (Dependency Injection).
• Spring MVC model integration for front-end request action controller.
• Used Apache Axis Service Engine for creating and deploying Web Service clients using SOAP.
• Consumed SOAP and Restful web services in SOA environment and used SOAP UI for testing.
• Utilized Hibernate for Object/Relational Mapping purposes for transparent persistence onto the SQL SERVER
• Developed Struts Action classes using Struts controller component
• Used SVN for version controlling and JUnit for unit testing
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Developed persistence API's that can store data synchronously and asynchronously to Cassandra data store with batching.
• Created flows on messaging using ActiveMQ.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Involved in installing and configuring Maven for application builds and deployment.
• Used JIRA to assign, track, report and audit the issues in the application.
• Implemented Design Patterns like Front Controller, Business Delegate, Service Locator, Session Facade, Data Access Objects, Singleton.

Environment: J2EE 1.5, IBM Web Sphere Application Server 5.1, WSAD 5.1, EJB 2.1, AJAX, Hibernate 2.1, Struts1.1, JSP 2.0, Servlets 2.4, XML, XSLT, SOAP, JavaScript, UML, HTML, ANT, SVN, Log4J 1.2.7, SQL SERVER.

Confidential

Java developer

Responsibilities:

• Involved in development, customization and enhancement of the product in Windows, Linux platform.
• Wrote Form Handlers, Managed Bean Classes, VO’s using struts MVC framework (Srtuts1.1) for the modules
• Implemented Generic Controller in Java that carries common functionality such as Redirecting URLs, Generic Methods for handling Exceptions
• Designed and developed all UI Screens (Forms) using Java Server Pages, CSS, JSTL, Html, and JavaScript.
• Responsible for Developing Managed Bean and DAO classes for Business Implementations
• Used Tag Libraries for Screen Design using JSP
• Client-side validations are handled using Java Script
• Written Utility classes for getting Connection using JDBC
• Responsible for Writing SQL Queries and executing using JDBC API
• Involved in preparation of System Use Cases (SUC’s) and Unit Test Speciation (UTS)
• Taken whole responsibility and developed module alone with in time specified.
• Developed unit test cases using JUnit.
• Used Eclipse IDE for Development and Version Control as Clear case.
• Implemented Struts MVC design pattern and front controller pattern.
• Developed Core Java components to develop the transaction report. Stored the dynamic data on to Collection Objects and used the predefined methods to perform all DB related operations efficiently.
• Used Log4j for logging purposes during the development of the application.
• Used JDBC to interact with the underlying MySQL Database.
• Extensively worked on SQL for writing complex queries in the business logic layer.
• Deployed Applications on Apache Tomcat Server and used CVS as the version control manager.
• Used Eclipse IDE to integrate the different frameworks to build the overall application.

Environment: Windows, Linux, Java 1.5, Servlets, JSP, ATG Dynamo, JDBC, HTML, XML, CVS, CSS, Java Script, Oracle, SQL, WebSphere, and UNIX.