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Java/j2ee Developer Resume

SUMMARY

  • Having 7+ years of extensive IT experience with full project life cycle development in Java and Web Technologies which include Design, Development, Analysis, Testing and Integration of various web based and client/server applications.
  • Experience in developing applications using SDLC methodologies like Waterfall, RUP, Agile (TDD, SCRUM) and Test - Driven Development.
  • Expertise in developing web pages using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Angular JS, Angular 2, Vue JS and have knowledge on Server scripting language like Node JS.
  • Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
  • Developed the application using Java 1.8 and implemented its features like lambdas Expressions, Time API, Streams, functional interfaces, collectors, default methods, type interfaces, for each.
  • Developed Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
  • Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
  • Expertise in implementing Design patterns like Singleton, Factory, Prototype, Business Delegate, Session Facade, Service locator, Visitor, Observer, Decorator, Front Controller and DAO pattern.
  • Experienced in developing web-based applications using Java/J2EE, Servlets, Struts (Struts, Tag Libraries and Struts custom validation rules, Tiles), Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, JDBC, Web Services (SOAP & Restful services)and ORM frameworks like Hibernate, iBATIS.
  • Excellent in developing REST and SOAP based Web Services using JAX-RS, JAX-WS, WSDL, JAX-B, Apache Axis, Apache CXF and Jersey frameworks.
  • Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using ActiveMQ, RabbitMQ, Kafka as message queue.
  • Experience using Hibernate for mapping Java Classes with database and using Criteria API and Hibernate QueryLanguage (HQL).
  • Experience in development, deployment and troubleshooting Web based and enterprise-based applications on Windows, UNIX and Linux platforms IRS AWD Pub 1075 and NIST 800-53 rev4
  • Hands-on experience working with Continuous Integration (CI) build-automation tools such as Maven, Jenkins and Apache Ant
  • Good knowledge in Progressive Web Application
  • Sound knowledge in working with browsers compatibility issues with browsers like IE, Firefox, safari, Opera, Chrome
  • Experience in using various configuration management tools like Visual Source Safe, IBM Clear Case, SVN and CVS
  • Good knowledge and hands on experience in working with Selenium, UML, JUnit and TDD
  • Extensively worked on Pivotal Tracker and JIRA tools for tracking stories in a Project
  • Good experience in developing applications using Agile (XP and Scrum) and Waterfall methodology
  • Flexible team player who prospers in a fast-paced work environment. Excellent communication, interpersonal, analytical and prioritization skills

TECHNICAL SKILLS

Languages: Java 1.8, Core Java, SQL, PL/SQL

Enterprise Java: JSP, Servlets, JNDI, JDBC, Log4J, Java security

Mark-up/XML Technologies: HTML, XHTML, DHTML, JavaScript, NodeJS, VueJs, CSS, Bootstrap, XML, XSD, XSL/XSLT, SAX/DOM, AJAX, JQuery, JSON,AWD

Tools: & Framework: Spring Boot, Hibernate, MyBatis, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Data, Spring Boot, ci/cd JSF, JUnit, GroovyIRS Pub 1075 and NIST 800-53 rev4

Web services: SOAP, Restful, UDDI, WSDL, JAX-RS, JAX-WS, Jersey, RestEasy, JAX-B, Apache Axis2, Apache CFX, AWS (Amazon Web services) Lambda

Middleware Technologies: JMS, Spring Integration, Digest Authorization, OAuth

Web/App Servers: Web Sphere, Apache Tomcat, JBoss EAP, Web Logic, Glassfish

Database: Oracle, SQL-Server, MySQL server, TOAD, Mongo DB/ NOSQL, DB2

IDEs: IntelliJ, Eclipse, Net Beans, IBM RAD, STS

O-R mapping: Hibernate, MyBatis

Testing Tools/ Others: JUnit, Mockito, Selenium, SoapUI, Putty

Version Control Tools: CVS,SVN, Rational Clearcase, Git, Checkstyle

Build-Automation Tools (CI)/Issue Tracking Tools: Maven, Gradle, Jenkins, Ant JIRA

OS & Environment: Windows, Sun Solaris, UNIX, Linux

Design Patterns: MVC, Factory Pattern and DAO patterns

PROFESSIONAL EXPERIENCE

Confidential

Java/J2EE Developer

Responsibilities:

  • Involved in SDLC requirements gathering, analysis, design, development and testing of application, developed using AGILE/Scrum¬¬ methodology
  • Defined and constructed layers, server-side objects based on J2EE design patterns.
  • Development of code using JSP code, HTML, CSS, JavaScript libraries such as JavaScript, React Js, Vue.js, jQuery, Prototype plus relevant coding standards
  • Developed responsive client-side application to integrate with server side using JavaScript, React JS, Vue.js and Bootstrap
  • Involved in analyzing Functional requirements and designing and creating the rest end point URIs in the Micro Services built on NETFLIX OSS.
  • Involved in design of REST based Micro service using JAX-RS framework and Spring-Boot for various requirements using NORTH STAR ARCHITECTURE.
  • Consumed REST based services from other Micro services with Rest based APIs
  • Utilized Spring Cloud Configuration server to store/manage various application level properties
  • Consumed soap services to retrieve data for the Micro Service from external system
  • Worked on development of Parent Libraries that are required by the Micro services
  • Designed and built the key data templates and data modules needed to construct the response for the Micro service
  • Implemented ADOBE CONTENT MANAGEMENT system to retrieve static data on the go for the application
  • Used ORACLE DB to store the various products related metadata.
  • Utilized Java Collections Lists, Sets, and Maps and advance core Java.
  • Apache Maven is used as Build tool to automate the build process for the entire application.
  • Worked with unit test cases by using JUNIT and Mockito for accuracy of code
  • Utilized Jenkins pipelines to build, test and deploy to AWS
  • Used GIT/Jenkins as Continuous Integration/Continuous Development (CI/CD) software.

Environment: Java 1.8, Bootstrap, JavaScript, JQuery, React JS, VueJs, Microservices using DDD, REST Web Services, Spring Boot, Spring Data, Spring AOP, hibernate, Junit, Mockito, Coherance, Maven, Oracle DB, Sleuth, GIT, IntelliJ, jira, Agile Methodology

Confidential

Java/J2EE Developer

Responsibilities:

  • Participated in the Software development life cycle starting from design phase to the implementation phase for the Confidential BillPay project.
  • Involved in analyzing Functional requirements and designing and creating end point URIs.
  • Implemented Java 1.8 features like lambdas Expressions, Time API, Streams, functional interfaces
  • Involved in design of REST based Microservices using JAX-RS framework and Spring-Boot for various requirements in the Domain Driven Design Model.
  • Consumed Soap based services from the vendor with Rest based APIs
  • Implemented REST based web services for integration of the Web Services using REST, SOAP and Enterprise Java Beans.
  • Used Spring Batch to perform batch jobs on the transaction data.
  • Migrated the application to spring boot 2.0 and utilized the new features along with implementing the changes.
  • Implemented Mapstruct and Dozer frameworks to perform java bean mapping
  • Implemented Build Automation script in Gradle 5 using Groovy.
  • Used GIT/Jenkins as Continuous Integration/Continuous Development (CI/CD) software.
  • Implemented Cache in spring boot 2.0 for caching the redundant data to avoid the network traffic lag.
  • Developed DAOs from the hibernate layer using HibernateDAOSupport and HibernateTemplates of Spring Framework.
  • Used MongoDB to store the transactions from the Application for Audit.
  • Involved in writing test cases using Spock, Mockito in Groovy to perform unit tests, layer tests and contract tests on the code.
  • Used SpringAOP for logging and other transactions.
  • Used Moxy framework for interaction between the SOAP services and Rest Services.
  • Implemented Reactive library in Java for asynchronous calls across the services.
  • Utilized Jenkins pipelines to build, test and deploy to Kubernetes
  • Built WireMock to provide the mock data responses for extensive testing.
  • Worked on development to generate custom boilerplate code from handwritten swagger.yaml
  • Used GIT / SourceTree as version control system (VCS) for tracking changes and coordinating work.

Environment: Java 1.8, Microservices using DDD, Spring Boot 2.0, Spring Cloud Config, ADOBE CONTENT MANAGEMENT,REST based services, Mongo DB, Maven, Redis Cache, Kubernetes, Sleuth, GIT, IntelliJ, jiira, Agile Methodology

Confidential

Java/J2EE Developer

Responsibilities:

  • Involved in SDLC requirements gathering, analysis, design, development and testing of application, developed using AGILE/Scrum methodology.
  • Utilized Java 1.8 features like lambdas Expressions, Time API, Streams, functional interfaces to change the sequential flow.
  • Used Spring MVC & ApigeeDesign Pattern to hold the UI data and serve the request and to send the response.
  • Connected to Data sources and performed operations using Spring Data Framework features like Spring JDBC and Spring ORM.
  • Designed and developed Microservices business components using Spring Boot.
  • Implemented RESTful Web services in Service Oriented Architecture (SOA) to retrieve data from client side and made REST API calls from Angular JS&Angular2React JS and parsed the data to client and handled the security and Authorization using Spring Security and OAuth2authentication protocol respectively.
  • Configured AWS Cloud watch to monitor AWS resources and application.
  • Good understanding of AWS Elastic Block Storage (EBS), various volume types and utilization of different types of EBS volumes based on requirement.
  • Troubleshoot AWS EC2 Status check including System Status checks and Instance Status check alerts.
  • Experienced first-hand the best/worst practices for integrating Microservices& AWD into existing system architecture.
  • Consumed REST based Microservices with Rest template based on RESTful APIs.
  • Integrated Spring DAO for data access using Hibernate to fetch data from database and avoid redundant database access statements.
  • To lookup queues, used Spring JMS module and MDBs for listeners.
  • Extensively used HQL and SQL for querying databases.
  • Created Stored Procedures, functions, views, indexes and constraints, triggers required SQL tuning to reduce the response time in the application.
  • Experience in Building Strong TCP/ IP and LAN/ WAN management and maintenance protocols understanding Configured VPNs
  • Built NoSQL schemas and maintaining sessions by MongoDBRedis.
  • To get AJAX functionality for the website wrote JavaScript and JQuery programming.
  • Using HTML, React JS AngularJS, Angular2JQuery and JavaScript created GUI interface of the web page.
  • Created AngularJS controllers, services and used Angular filters for filter functionality in search box and integrator functionalities.
  • Used Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes , Created Pods and managed using Kubernetes
  • To identify user login information written UNIX shell scripts.
  • Developed and executing unit test cases using JUnit.
  • Packaged and deployed the application in IBM WebSphere.
  • Used Maven building tool for creating EAR file deployed in application servers and used for dependency management of code in application.
  • Resolved bugs/defects in application by coordinating with team members of the project to assure a positive outcome.
  • Experience in developing web pages in Responsive Design, JSON, AJAX, AngularJS, NodeJS NET, BackboneJS, React.js and Bootstrap.
  • Built Report Modules Using CD/CI
  • For application logging and notification, tracing mechanisms used Log4J.
  • To keep track of issues and tasks on individuals used JIRA ticketing system.
  • As a version, control tool used Tortoise SVN.
  • Used Eclipse integrated IDE to build the application.
  • Experienced in fixing mongo slave replication lag issues.
  • Worked with mongo consultants and logged JIRA tickets
  • Well experienced in handling both MMAPV1 and WIREDTIGER engine

Environment: Java 1.8, HTML5, CSS3, JavaScript, AJAX, Angular JS, Spring MVC, Spring Boot, Spring Security, SpringData, JSP, Hibernate, Servlet, JDBC, Restful, OAuth2, JAX-RS, Jersey, XML, AWS, Microservices, Oracle, MongoDB, Eclipse 1.8, WebSphere, Tortoise SVN,GIT, JUnit, CD/CI Maven, JIRA, Agile/Scrum Methodology. ­­

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