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Sr. Java Developer Resume

Houston, TX

SUMMARY

  • Over 7 years of IT experience in Java/J2EE enterprise web application design, development, maintenance & support, involving all SDLC activities like requirements analysis, design, implementation, reviews, unit testing, integration testing, UAT and production deployments.
  • Good understanding in business processes retail, E - commerce, Insurance, Health care and Banking domains.
  • Experience in developing applications based on Object Oriented Programming (OOPS) concepts, Java and web-technologies including Core Java, Multithreading / Concurrency, Collections, JDBC & Connection pooling, Spring Core, Spring DI, Spring MVC, Spring web flow, Spring IOC, Spring DAO, Spring Boot, Micro Services, Struts Framework1.2, Hibernate, Ajax, Java, HTML5, CSS, JSP, JSF, Wicket, GWT, JavaScript, JQuery, Angular JS, Bootstrap, J2EE, EJB, JPA, XML, XSD, JSON, JAXB, ANT, Maven, Drools, Log4j, Putty, JUnit,Grunt, Jasmine,Mockito, SOAP and RESTful Web services, SQL, PL/SQL, JDBC, Tomcat, Message Driven bean, JMS, Active MQ, JBoss 4.2 and WebSphere.
  • Extensive knowledge and experience with Hibernate ORM and JPA implementation.
  • Experienced withJava Multithreaded programmingto develop multithreaded modules and applications.
  • Experience with Data structures & AlgorithmslikeStack, Queue, Linked List, Linear-search, bubble-sort, and binary-search algorithms etc.
  • Experience with the various spring modules like Spring Core (IOC), Spring AOP, Spring DAO, Spring Batch, Spring Security, Spring Boot, Spring ORM, Spring JPA Spring Integration, Spring MVC etc.
  • Experience in spring technologies like MVC, AOP, JDBC, ORM, and Web Services using Eclipse and integration with Hibernate as well as Struts.
  • Experience in HTML, DHTML, XHTML and JavaScript.
  • Experience in JVM Performance Tuning: GC and Heap Analysis, Thread dumps, Heap dumps, Memory Leaks, Connection Leaks, Core Dump, Profiling, Refactoring.
  • Extensive knowledge in front-end technologies like HTML5, CSS3, JSPs, JSTL, JQuery, AngularJS and JavaScript for Client side validations.
  • Experience with AngularJS as the development framework to build a single-page application.
  • Experience in working on MVC pattern using AngularJS, creating user interface and single page web application.
  • Experience writing automated tests using tools like Selenium.
  • Experience with web services and SOA related standards like RESTful/Oath/JSON/XML and SOAP/WSDL
  • Hands-on experience in using message brokers such asActiveMQandRabbitMQ.
  • Experience in implementing SOAP &RestfulWeb Services using JAX-WS, JAX-RS
  • Experience with Java API for XML-Based RPC (JAX-RPC) is an implementation of Remote Procedure Call (RPC) technology in the Java language.
  • Expertise in web application design using MVC frameworks like Struts and spring.
  • Extensive knowledge in database transactions management for database related changes by integrating JDBC, Hibernate with spring, also having good knowledge on Apache Camel.
  • Experience with XML schema documents.
  • Working experience on SQL, Oracle PL/SQL, Performance tuning and Oracle Stored Procedures.
  • Experience in database such as DB2, MYSQL, SQL Server and Oracle.
  • Integration, deployment and automation of application servers Tomcat, WebLogic across Linux platforms.
  • Good knowledge and experience in writing Junit test cases with EasyMock, Mockito and Power Mock.
  • Knowledge on Google Cloud Platform, deployment of apps on App Engine.
  • Experience in developing application using TDD (Test Driven Development) & Unit testing process.
  • Used Docker hub for creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
  • Used Spring Boot to create stand-alone spring applications.
  • Experience with Migration of onpremise to cloud.
  • Experience in using Jenkins for Continuous Integration and Sonar jobs for java code quality.
  • Knowledge in Bash Shell Scripting, Automation of cron Jobs.
  • Experienced in UNIX/Linux shell scripts and Perl for data-driven automatic processing.
  • Good experience in SCRUM process of Agile (Iterative) development methodology.
  • Experience with logging mechanisms like log4J & logbackframeworks.

TECHNICAL SKILLS

Languages: Java, J2EE, C, C++, Python

Query Languages: SQL, PL/SQL, NoSQL.

Web Technologies: JSP, Servlet, CSS, XML, LDAP, XSD, JavaScript, JQuery& AJAX, GWT.

Frameworks: Hibernate (ORM), Spring3.0/4.0, AngularJS, Angular 2, JSF, JSTL, Spring MVC, Spring Boot, Spring Security.

Scripting: Shell, bash and Perl

Web-Services: XML, JSON, XSLT, XSD, WSDL, JAXB, RESTful, SOAP(JAX-WS).

IDE’s & Tools: Eclipse, IBM RAD, Maven, SVN, and Git, MS Visio.

J2EE Servers: Apache Tomcat, JBOSS, IBM WebSphere, WebLogic,Glassfish.

Utilities: Log4J, Logger, JUnit (Mockito), Ant, Maven.

Design Patterns: MVC, DAO, Singleton pattern & Factory pattern.

Methodologies: UML, Agile/scrum Methodology, Scrum.

Database / RDBMS: Oracle, PostgreSQLMySQL, Informix, DB2, Cassandra.

Cloud: AWS and GoogleCloud

Tools: SOAP UI, AUTOMIC (ARA), TOAD & SQL Developer,Selemium.

PROFESSIONAL EXPERIENCE

Confidential

Sr. Java Developer

Responsibilities:

  • Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.
  • Involved in variousJava/J2EEtechnologies including CoreJava,J2EE(Servlets, JSP), Spring (IOC, MVC, AOP, DAO), Hibernate/JPA andJavaWeb Framework along with Web Services (SOAP, RESTful).
  • Experience in Integration of Amazon Web Services AWS with other applications infrastructure.
  • Extensively used corejavaconcepts like Collections, Exception Handling, Generics andJavaI/O during development of business logic.
  • Created an internal web framework similar in scope to Angular.js, but closer in design to Knockout.js
  • Implemented & consumed web services using WSDL/SOAP/XML/XSD/JAXB. Worked on the JAX-WS clients and WSDL generation to integrate the clients to call a web service.
  • Creating and Designing XML schemas, creating simple and complex types, global element references, attribute, transform the xml toJavaobjects using transformer objects.
  • Designed and deployed XML files for Dispatcher Servlets, Application Context and Controllers to implement the Inversion of Control (IOC) module in spring.
  • Experience in use ofAngular2.0UI-Router for defining all application States (routes).
  • Hands on experience in a Linux environment with Apache Tomcat on Amazon AWS.
  • Integrated spring with Hibernate framework and created Hibernate mapping files for mapping an object oriented domain model to traditional relational database.
  • Generated JSON format data packets from middle-tire controller to front-end using Jackson JSON API.
  • Experienced in the development of web based multi-tier, SOA Java and Groovy applications using Spring MVC, Hibernate, myBatis, Struts, Tiles, JSF, JSP, J2EE, Camel, RabbitMQ, IBM MQ Series (using JMS & Camel), and various data base systems
  • Experience with JavaScript tools such as Backbone, Angular JS2.0, and React JS
  • Extensively implemented file processing techniques for processing delimited files.
  • Implemented Object-relation mapping in the persistence layer using hibernate (ORM) framework. Extensively used DAO patterns, including mapping DAO objects, configure file and classes to interact with database.
  • Used Hibernate Transaction Management, Hibernate Batch Transactions and Hibernate cache concepts.
  • Developing Web pages by using HTML5, CSS3with LESS, Angular 2.0 and Angular UI Bootstrap
  • Selecting the appropriate AWS service based on compute, data, or security requirements.
  • Experience in installing, configuring and deploying application on Web Logic Server.
  • JUnit/Mockito Frameworks were used for performing unit & integration testing by writing test cases.
  • Wrote a Perl program to generate configuration files from Oracle Database.
  • Written Shell Scripts for retrieving data from Oracle
  • Used Client side MVC frameworks like Angular 2.0 Single Page Application developments
  • Experience in Integration of Amazon Web Services AWS with other applications infrastructure.
  • Worked on Docker container snapshots, attaching to a running container, removing images, managing Directory structures and managing containers.
  • Built application using MAVEN and used Log4J to generate log files for the application.
  • Used Splunk to monitor logs.
  • Used JIRA for defect management and to keep track of bugs and issues.
  • Code coverage using SonarQube.

Environment: Java1.7,Spring 4.0, Spring MVC, Spring Batch, Hibernate(ORM), Docker, JSP, JavaScript, XML, XSD, eclipse, Jenkins, Docker, RabbitMQ, Kubernetes JUnit/Mockito, Maven, JSON, SOAPUI 4.5, JIRA, Log4J, Sonar,Splunk, Tortoise SVN, SOAP/WSDL, HQL, SQL

Confidential, Houston, TX

Java Developer

Responsibilities:

  • Actively participated in sprints and successfully implemented the project following scrum agile practice. Involved in the all phases of Software development life Cycle process.
  • Designing, coding, unit testing, defect fixing, deployments, issues debugging, etc. for multiple modules in CONGO.
  • Worked on API, UI, and oAuth2 servers built on top of Zend Framework 2, JavaScript (ES6), Angular.js, and Bootstrap running on EC2, RDS, S3, and other AWS
  • Used various Core Java concepts such as Exception Handling, Collection API’s to implement various features and enhancements.
  • Worked with Spring Core, Spring MVC Framework for Dependency Injection (DI), and Spring Context to provide message sources.
  • Implemented and Consumed Jersey RESTful web services to provide the item details to different consumers.
  • Setup POC on Amazon AWS for the open source technologies. Included the creation of AMIs and setting up all in-house infrastructures on AWS for PCI compliance.
  • Writing Scala classes to interact with the database.
  • Developed Spark Applications by using Scala, Java and Implemented Apache Spark data processing project to handle data from various RDBMS and Streaming sources.
  • Developing spark codeusing pyspark to applying various transformations and actions for faster data processing.
  • Implemented the function to send and receiveAMQPmessages onRabbitMQsynchronously and asynchronously, and sendJMSmessage toApache ActiveMQon the edge device.
  • Working knowledge on Spark Streaming API that enables scalable, high-throughput, fault-tolerant stream processing of live data streams.
  • Used SOAP UI tool for web services testing.
  • Worked with Cassandra NoSQL Database for real time inventory, price, location data etc.
  • Used AutomicApplication Release Automation (ARA) tool for deploying batch applications.
  • Writing Scala test cases to test Scala written code.
  • Developed Angular Single Page Application consuming JSON data from RESTful services.
  • Used AngularJS framework for building web-apps and is highly efficient in integrating with Restful services.
  • Involved in migration of higher Java version from legacy version
  • Debugging production issues, root cause analysis and fixing.
  • Integrated different other modules with current existing reporting applications.
  • Extensively used JUnit/Mockito and developed JUnit tests classes.
  • Worked with SONAR reports.
  • Involved in Jenkins configuration.
  • Worked on production issues, used JIRA for a issue tracking.
  • Point team player on Kubernetes for creating new Projects, Services for load balancing and adding them to Routes to be accessible from outside, Creation of Pods through new application and control the scaling of pods, troubleshooting pods through SSH and logs, writing/modification of Buildconfigs, templates, Image streams etc.
  • Code coverage using SonarQube.

Environment: JDK1.8, Java 1.8, Collections API, SONAR, JUnit/Mockito, Jenkins, Docker, Kubernetes, Apache Spark, Cassandra NoSQL, Spring 3.0, JDBC, Micro services, AngularJS, Web Services (RESTful), XML, JSON, SQL Developer, Anthill Pro, RabbitMQ,Apache Tomcat, Linux, Eclipse IDE, Git, Stash, Bitbucket, Maven, JIRA.

Confidential

Java/J2EE Developer

Responsibilities:

  • Development, Enhancement different modules using JSPs, JSTL, Servlets, Tag libraries, using agile/scrum methodologies in various parts of the Application.
  • Designing, coding, unit testing, defect fixing, deployments, issues debugging, etc. for multiple modules in PWS.
  • Load data from various data sources into HDFS using Kafka.
  • Involved in spring, Hibernate framework integration and enhancement.
  • Used various Core Java concepts such as Exception Handling, Collection API’s to implement various features and enhancements.
  • Worked with Spring Core Framework for Dependency Injection (DI), Spring Context to provide message sources.
  • Implemented Spring Batch for Reading large number of records from a database.
  • Developed Action and DAO classes.
  • Implemented Web Services for communicating one application to another application by using SOAP, WSDL and EJB Technology.
  • Worked with Oracle SQL and Oracle PL/SQL programming
  • Implemented WSDL XML document to located and describe the Web Services.
  • Implemented JAXBto convert XML tojavaobject andjavaobject to XML.
  • Debugging production issues, root cause analysis and fixing.
  • Integrated different other modules with current existing reporting applications.
  • Extensively used JUnit and developed JUnit tests classes.
  • Worked with Jasper Reportsis an open source Javareportingtool
  • Created shell & python script's to validate Web-service API's.
  • Involved in Jenkins configuration.
  • Used Maven build tool to build the application.
  • Used Eclipse IDE, IBM RAD and Web Sphere application server in development.
  • Onsite and Offshore co-ordination.

Environment: JDK1.6, JavaScript, AJAX JSP, Servlets, EJB 3.0 JUnit, Jenkins, Log4j Oracle 9i,Spring 3.0, Spring MVC, Spring Batch, Hibernate, Web Services (SOAP, RESTful, WSDL, JAX-WS),SQL Developer, WebSphere 7 and IBM RAD 7,Linux, SVN, Maven,JIRA.

Confidential - Deerfield, IL

Java/J2EE Developer

Responsibilities:

  • Involved in gathering business requirements, analyzing the project and created UML diagrams such as Use Cases, Class Diagrams, Sequence Diagrams and flowcharts for the Optimization module using Microsoft Visio.
  • Implemented the AJAX, JSPs, and Servlets, in the MVC Struts Framework to effectively handle the workflow of the application.
  • Developed Action classes to handle HTTP client requests by using HTTP Servlet Request, HTTP Servlet Response, Action Mapping and Action Form objects.
  • Worked with Core Spring Framework for Dependency Injection, Spring Context to provide message sources.
  • Developed Spring Configuration file to define data source, beans and Hibernate properties.
  • Designed and developed the User Interface using JSP, JSF, HTML5, CSS and JavaScript.
  • Involved in developing XML, HTML, and JavaScript for client side presentation and, data validation on the client side with in the forms.
  • Implemented single portal application using Spring MVC, AngularJS, RESTful services and JSON.
  • Built dynamically generated dropdown lists using Ajax, jQuery UI and AngularJS
  • Solved problems using a combination of JavaScript, JSON, and JQUERY
  • Worked with spring web flow to represent UI flow.
  • Implemented Design Patterns like MVC, Session Facade and Data Transfer Objects.
  • Used Hibernate XDocket tags to generate hbm.xml files.
  • Worked with Hibernate for developing Persistence classes to interact with the database.
  • Implemented a ftp utility program for copying the contents of an entire directory recursively up to two levels from a remote location using Socket Programming.
  • Implemented Web Services for communicating one application to another application by using SOAP, WSDL and EJB Technology.
  • Successfully executed the entire test cases and fixed any bugs/issues identified during the test cycles.
  • Used Eclipse IDE, IBM RAD and Web Sphere application server in development.
  • Worked with Log4J for logging purpose in the project.
  • Involved in building and deploying scripts using Maven to generate WAR, EAR and JAR files.

Environment: Java, J2EE,Socket Programming, Servlets, MVC Struts, Spring, SQL, HTML5, CSS, JavaScript, AngularJS, Web Sphere Application Server, Web Services, SOAP, RESTful, UML, MS Visio, Rational Unified Process (RUP), XML, Oracle, VSS, Log4j, Unix/Linux, Maven/Ant, Jenkins.

Confidential

Java/J2EE Developer

Responsibilities:

  • Designed the workflow for the client side and server side in UML using Rational Unified Process (RUP) and created the detailed Design documentation
  • Involved in walk through with the analysis for Use Cases and feasibility scope.
  • Developed front-end using JSPs, JSTL, HTML, CSS and used JavaScript, Ajax for client side validations.
  • Built application interface and web scrapping scripts using OO designing, UML and python scripting.
  • Address translation database using JDBC. The network connectivity was implemented using JAVA Sockets API's.
  • Heavily used JDBC API (with Stored Procedures and Dynamic SQL), EJB (Session and Message-Driven Beans), STRUTS framework for JSP and Servlet development, JMS, JAVA Beans, JSP, Servlets, and other J2EE APIs on Web Logic
  • Used JMS (Java Messaging Service) for asynchronous communication between different modules. MySQL was used as a database. Worked with WebLogic&Apache Tomcat Application Server.
  • Contributed to project by working on end to end flow - developing JSP's for front end, by developing Servlets, BO classes in middle tier and to database front by writing various SQL queries, triggers and Stored Procedures.

Environment: Java, Multithreading, J2EE, JMS, JSP, JSTL, Servlets, JavaScript, MySQL, Apache Tomcat, Web Logic7.0, JDBC, Java Socket Programming, UML, Rational Clear case, Windows NT

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