Sr.java/ J2ee Full Stack Developer Resume
Bellevue, WA
PROFESSIONAL SUMMARY:
- Having 8 years of experience in all phases of Software Development Life Cycle (SDLC) which includes Analysis, Design, Development, Maintenance and Implementation of enterprise, web and client server applications using JAVA/JEE/J2EE technologies.
- Experience in software development methodologies (SDLC) like Agile, Waterfall, Test Driven Development (TDD), Test First and Scrum.
- Developed Service Oriented Architecture (SOA) and MicroService Architecture based J2EEapplications.
- Expert level skills on HTML5, CSS3, JavaScript, JQuery, AJAX, AngularJS, Bootstrap, Adobe Flex, JSON, with webpage cross browser compatibility and Responsive Web Design.
- Excellent in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.
- Experienced Building Enterprise Integration solutions and message driven applications utilizing JMS, Mule ESB, Message driven beans and Apache Kafka.
- Hands on experience in developing and solid understanding of Microservices Architecture, Service Oriented Architecture (SOA) and Test - Driven Development.
- Experience in developing application components using frameworks like Spring, Hibernate, and Struts.
- Proficient in implementation of frameworks like Spring, Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, AJAX frameworks and ORM frameworks like Hibernate.
- Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
- Hands on experience on Java8, Scala framework.
- Expertise in the implementation of Core concepts of Java, J2EE Technologies, JSP, Servlets, JSTL, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multi-Threading etc.
- Expertise in developing SOA (Service Oriented Architecture) andJ2EE Web Services based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
- Experience in deploying, configuring and administering application servers such as Web sphere, Web logic, Apache Tomcat 8 and JBOSS 7.1.0.
- Proven experience in writing Queries, Stored Procedures, Triggers, Cursors, Functions and Packages using TOAD.
- Experienced on XML related technologies including XSD, XSLT and XPATH, XML.
- Experience in developing serer side code with good knowledge of enterprise and persistence design patterns like Singleton, Factory, Prototype, Business Delegate, Session Facade, and Service locator, DAO, ORM, MVC, IOC and AOP. involved in the DevOps streamlining process through Jenkins CI and CD Release Portable deployment of applications as a single object using Docker.
- Actively Automation.
- Deployed services to Cloud platforms in Kubernatesand Docker containers using pipeline automated stream.
- Extensively worked on several ETL mappings to extract, transform and load data into tables as part of Data Warehouse development with high complex Data models of Star, and Snowflake schema.
- Experience with Data warehousing methodologies, Star Schema/Snowflake modeling and Fact/dimension tables.
- Extensive development experience in different IDE's like Eclipse, Spring Tool Suite (STS), RAD and Intellij.
- Experience in software configuration management using CVS, SVN, Git and IBM Clear Case.
- Hands on experience with build tools like ANT, Maven and logging tools like Log4J.
- Hands on experience in working with JUnit, Mockito, Selenium, Groovy Spock and TestNG.
- Expertise in testing with JUnit using tools like JMeter.
- Have extensive experience working on Windows, Linux and UNIX Operating Systems.
- Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment.
TECHNICAL SKILLS:
Languages: C, C++, Java 1.8, J2EE, SQL and PL/SQL
Mark-up/XML Technologies: HTML5, CSS3, Bootstrap, JavaScript, JQuery, Ajax, AngularJS, NodeJS, XML, XSD, XSL/XSLT, SAX/DOM, and JSON.
Tools: & Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Boot, JSF, JUnit, SOAP UI, Google Web Toolkit, Jersey.
Build Automation: ANT, Maven, Jenkins, Gradle.
Web services: SOAP, RESTful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Micro services, Apache Axis and Apache CFX.
Cloud Technologies: Amazon Web Services (EC2, SQS, RDS, IAM, S3), and Spring Cloud.
Web/App Servers: Web Sphere, Apache Tomcat, JBoss, Web Logic Server and Apache Camel
Databases: Oracle, MS SQL-Server, MySQL, IBM DB2, NoSQL DB like MongoDB.
IDE tools: Eclipse, RAD, Spring Tool Suite (STS) and IntelliJ.
Modeling/ CASE Tools: Rational Rose and MS Visio Professional.
Testing Tools/ Others: Selenium, JUnit, Soap UI and Mockito.
Version Control: Tortoise SVN and GIT.
OS & Environment: Windows, Sun Solaris, UNIX
PROFESSIONAL EXPERIENCE:
Confidential, Bellevue, WA
Sr.JAVA/ J2EE Full Stack Developer
Responsibilities:
- Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modelling, analysis, Design, Development, and Testing.
- Followed Agile methodology, interacted with the client, provide/take feedback on the features, suggest/ implement optimal solutions and tailored application to customer needs.
- Used Java 1.8 Streams and Lambda expressions available as part of to store and process the data.
- Involved in designing user interface by using HTML5, CSS3, Bootstrap, JavaScript and NodeJS.
- Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in Angular 4.
- Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in Angular 4.
- Designed and developed the system used for AWS Elastic Environments, including monitoring individual instance and managing individual components and SNS, SQS for asynchronous workflow.
- Used Docker to containerize the Services and APIs to run on AWS EC2 instances.
- Implemented MicroService Architecture with Spring Boot based services interacting through a combination of REST and SOAP.
- Implemented MicroServices using Spring Batch, Spring Boot, and Spring Security and deployed on AWS.
- Excellent understanding of Cassandra Architecture and management tool like OpsCenter .
- Used Spring IOC to make the code loosely coupled and Spring's Hibernate Support for transaction management.
- Implemented Batch Jobs for execution of series of jobs and to process the high volume of data.
- Created JUNIT TestCases, TestSuites using JUnit Power Mockito for Java Service Layer which was developed using Spring, Persistence layer using Hibernate.
- Implemented Complex Business Delegate layer using DAO's created and business logic.
- Implemented Multithreading, Concurrency, Exception Handling, Generics, and Collections whenever necessary
- Developed SQL and PL/ SQL scripts for transfer of data between databases.
- Worked on creation of External Tables to read files from the database file systems.
- Worked on Data Extraction, Data Mapping, Data Conversion, and Data Loading process using UNIX Shell scripting, SQL, PL/SQL, and SQL Loader.
- Configured and deployed the application on IBM WebSphere.
- Experience in Importing data from various sources to the Cassandra cluster using Java API’s .
- Experience in data modeling of Cassandra.
- Used Spring Tool Suite (STS) IDE tool for application development.
- Using Rabbit MQ as a Message Oriented Middleware for integrating applications.
- Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
- Used Maven building tool for creating EAR file to be deployed in application servers. It is also used for dependency management of code in application.
- Implemented Continuous Integration and Continuous Delivery (CI&CD) Process stack using DevOps tools like Jenkins.
- Developed server-side scripts in shell to customize GIT and integrate it with tools like JIRA, and Jenkins.
- Configured log4j to enable/disable logging in application.
- Resolved bugs/defects in application by coordinated with team members of the project to assure a positive outcome.
- Involved in production support, resolving the production job failures, interacting with the operations support group for resuming the failed jobs.
Environment: Java1.8, J2EE,HTML5, CSS3, JavaScript, AngularJS 4, NodeJS, Bootstrap, AWS, MicroServices, Hibernate, Spring MVC, Spring AOP, Spring ORM, Ubuntu, Spring Boot, Spring Batch, Spring Security, Spring Cloud, Shell scripting, OAUTH2 XML, PL/SQL, LINUX, RESTful, SNS, SQS, Docker, IBM WebSphere, RabbitMQ, Spring Tool Suite, Junit, Maven, Selenium, Jenkins, GIT, JIRA.
Confidential, Chicago, IL
Full Stack Developer
Responsibilities:
- Worked on High level and low-level system design, planning, estimation and implementation.
- Developed presentation layer using JSP, HTML5, CSS3 and client validation using JavaScript, JSON.
- 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, HTML5, CSS3 and client validation using JavaScript, DOM.
- Used NodeJS for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data.
- Involved in implementing the Micro Services based on Restful API utilizing Spring Boot with Spring MVC.
- Experience in benchmarking Cassandra Cluster using Cassandra stress tool .
- Used Web Services for creating rate summary and used WSDL and SOAP messages for getting useful plans from different module.
- Experience with querying on data present in Cassandra cluster using CQL (Cassandra Query Language).
- Implemented Core Java concepts like Multithreading, Concurrency, Exception Handling and Collections whenever necessary.
- Designed and integrated the full-scale Spring / Hibernate persistence solution with the application architecture.
- 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.
- Developed the DAO layer for the application using Spring, Hibernate template support.
- 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.
- Involved in writing JSP components. Used JSTL Tag library to create standard dynamic web pages.
- Worked on XML and JSON for transferring and retrieving data between different applications.
- Worked on generating the web services classes by using Service Oriented Architecture (SOA), WSDL, UDDI and SOAP.
- Used Solace messaging framework for Direct and Guaranteed message delivery modes.
- Worked in wide-area network to maintain all the device related data onto MYSQL database.
- Experienced in RDBMS such as Oracle, Cassandra, MySQL, and IBM DB2 databases. Used NoSQL DB database MongoDB for proof of concept and having experience in create a Stored Procedures and having experience in Remote Procedure call (RPC) and Redis.
- Used Rabbit MQ message broker to route messages to the clients across the cloud network.
- Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, Cursors, and indexes in Data Access Layer.
- Collaborated with testers and developers and prepared test plans for producing high quality software applications.
- Experience in using 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: Agile Methodology, Java, J2EE, HTML5, CSS3, JavaScript, JQuery, Ajax, AngularJS, JSON, JSP, Struts, Micro Services, Spring, Hibernate, SOA, SOAP, WSDL, RabbitMQ, Multithreading, Concurrency, Exception Handling, JDBC, Oracle, Maven, JUnit, Log4J, SVN, JAXB, XML, Web Logic, Unix/Linux
Confidential, Cleveland, OH
Java/J2EE Developer
Responsibilities:
- Involved in analysis, specification, design, implementation and testing phases of Software Development Life Cycle (SDLC) based on the functional requirements.
- Application is implemented using agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
- Upgraded existing UI with HTML, CSS, JQuery, Bootstrap and interaction.
- 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.
- Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management.
- Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) and Optimistic Locking and Caching to process the data from the database.
- Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
- 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.
- Created flows on messaging using Active MQ.
- Written Stored Procedures and SQL Queries to interact with MS SQL Server.
- 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.
- Worked with Intellij and used Gradle build tool to achieve more functionality for build process.
- Involved in Maintenance and Enhancements for the project.
Environment: Agile Methodology, Java, HTML, CSS, Bootstrap, JQuery, NodeJS, Spring IOC, Spring MVC, Spring Batch, Spring Security, XML, XSD, SOAP, RESTful, Active MQ, Log4j, SOA, Apache Tomcat, JUnit, Maven, GIT, JIRA and IntelliJ.
Confidential, Detroit, MI
Java/J2EE Developer
Responsibilities:
- Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
- Developed User Interface using JSP, JSTL, HTML, CSS, Java Script, and JQuery.
- Used various JQuery UI controls and corresponding Event handlers.
- Used Spring MVC and Dependency Injection for handling presentation and business logic.
- To maintain loose coupling between layers published the business layer as services and injected necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
- Integrated Spring DAO for data access using Hibernate.
- Used Spring Security for Authentication and Authorization of the application.
- Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.
- Responsible for designing Hibernate mapping files based on business logic and Object relationships.
- Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and spring.
- Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for DB2.
- Worked on Hibernate in Data Access Layer for mapping thejavaobjects to relational database and SQL queries to fetch the data, insert and update the data from the database.
- Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using RESTful service.
- Implemented SOA architecture with Web Services using SOAP, WSDL and XML using Apache CXF framework and worked on parsing the XML files using DOM/SAX parsers.
- Extensively used JSON to parse the data from server side to satisfy the business requirement.
- Created Tables, Triggers, PL/SQL Stored Procedures, SQL queries, Joins, and views for IBM DB2.
- Implemented RESTful and SOAP based Web Services and used Soap UI for testing.
- Used Spring JMS module for lookup for the queues and MDBs for the listeners.
- Involved in Unit Testing of various modules by generating the Test Cases.
- Performed deployment of applications on JBOSS.
- Written LINUX shell scripts to identify user login information.
- Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies that required to be solved in very less time.
- Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
- Participated in Code Reviews of other modules, documents, test cases.
Environment: Java, J2EE, HTML, CSS, JavaScript, JQuery, AngularJS, JSP, JSTL, Spring, Hibernate, XML, XSD, SOAP UI, Web Services, RESTful, SOAP, WSDL, Log4j, JUnit, IBM DB2, JBOSS, Jenkins, SVN, RAD IDE, JIRA, Agile Methodology, Linux, Rational Rose and UML
Confidential
Java Developer
Responsibilities:
- Involved in Requirement Analysis, Design, Development and Testing of the risk workflow system.
- Involved in the implementation of design using vital phases of the Software development life cycle (SDLC) that includes Development, Testing, Implementation and Maintenance Support in WATER FALL methodology.
- Created user-friendly GUI interface and Web pages using JSP, HTML, CSS, AJAX, JavaScript and JQuery.
- Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application.
- Responsible for designing, coding and developed the application in J2EE using Struts MVC.
- Implemented Struts framework (Action & Controller classes) for dispatching request to appropriate classes.
- Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
- Achieved synchronization of multiple threads through Multithreading and Exception Handling.
- Extensively used JSON to parse the data from server side to satisfy the business requirement.
- Developed Struts Action Forms, Action classes and performed action mapping using Struts.
- Developed RESTful and SOAP based Web Services to consume and produce data in XML and JSON.
- Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using RESTful service.
- Established Database Connectivity using JDBC for MySQL.
- Written SQL queries, PL/SQL store procedures and Triggers to fetch and store data from the database.
- Used Log4J for application logging and notification tracing mechanisms.
- Developed the ANT scripts for preparing WAR files used to deploy J2EE components and deployment of the application was on Jetty.
- PreparedJUnittest cases and executed the test cases usingJUnit.
- Involved in bug fixing during the System testing, Joint System testing and User acceptance testing.
- Used GIT to check-in and check-out and co-ordinate among team members for Version Controlling.
- Used NetBeans IDE to integrate different frameworks to build application.
Environment: Java, HTML, CSS, AJAX, jQuery, JavaScript, Struts, Web Services, SOAP, RESTful, JSON, XML, JDBC, SQL, MySQL, ANT, Eclipse, JIRA, GIT, Jetty and UNIX.
Confidential
Java Programmer
Responsibilities:
- Developed web application using Struts, JSP, Servlets, Java beans that uses MVC design pattern.
- Created user-friendly GUI interface and Web pages using HTML, CSS and JSP.
- Involved in the development of the User Interfaces using HTML, JSP, JavaScript, CSS and AJAX.
- Wrote JavaScript for client side validation.
- Used Eclipse as IDE tool for creating Servlets, JSP, and XML.
- Used AJAX API for intensive user operations and client-side validations.
- Developed user interface using JSP, JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application.
- Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
- Wrote Stored Procedures and complicated queries for IBM DB2.
- Worked on parsing the XML files using DOM/SAX parsers.
- Implemented Log4J for Logging Errors, debugging and tracking using loggers, appender’s components.
- Used Rational Clear Case for version control and Clear Quest for bug tracking.
Environment: Java, JDBC, Struts, JavaScript, HTML, CSS, JSP, Servlets, Tomcat, Oracle, Eclipse IDE, CVS, ANT, Log4J.
