Full Stack Developer Resume
OBJECTIVE
- 8 years of professional experience in complete life cycle of project execution. Have work experience in complex, multi - tier system modernization and domains like Insurance, banking, retail and e-commerce. Aspire to serve a reputed organization at best of my professional ability as a Senior Java/J2EE developer. Technically skilled and qualified Java/J2EE developer looking for a position of a Senior Java/J2EE developer to utilize my proficiency and skills.
SUMMARY
- Having 8 years of extensive IT experience in all phases of Software Development Life Cycle (SDLC) which includes development, design, analysis, testing and Integration of various web based and client/server applications in multi-platform environments with JAVA/J2EE technologies.
- Experience in developing applications using SDLC methodologies like Waterfall, Agile (TDD, SCRUM) and Test-Driven Development.
- Developed Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
- Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
- Expertise in developing web pages using HTML5, CSS3, Bootstrap, JavaScript, jQuery, Ajax and AngularJS with webpage cross browser compatibility and Responsive Web Design and have knowledge on Server scripting language like NodeJS.
- Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
- Expertise in implementing design patterns like Singleton, Prototype, Business Delegate, Session, Facade, Front Controller and DAO pattern.
- Experience in developing and deploying applications on Cloud Platforms like Amazon Web Services.
- Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC), Pivotal Cloud Foundry (PCF) through AWS Console and API Integration.
- Excellent in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.
- Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or moreEC2 instances.
- Experience with and solid understanding of Micro Services.
- Created and consumed Micro Services based on Web API.
- Good knowledge in using Kafka to Load data from various data sources into HDFS.
- Create and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server.
- 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 Active MQ, Rabbit MQ, as message queue.
- Experience using Hibernate for mapping Java classes with database and using Criteria API and Hibernate Query Language (HQL).
- Proficient in developing RESTful web services in Python using XML, JSON.
- Good Knowledge of Data Access Object (DAO) pattern to introduce an abstraction layer between the Business logic tier (Business object) and the Persistent storage tier (data source).
- Worked with SQL databases like Oracle, MySQL, IBM DB2 and Hands on Experience in working with NoSQL Database like MongoDB, Cassandra to manage extremely large data sets.
- Proficient in writing SQL queries, PL/SQL stored procedures, Triggers and creating business tables.
- Hands on experience in working with JUnit, Mockito, Selenium, Groovy Spock and TestNG.
- Experienced with deploying applications on to production servers, configuring various parameters of servers like Apache Tomcat 8, JBOSS 7.1.0, BEA Web logic 10.0, IBM Web Sphere 8.
- Creation of custom components, client libraries, OSGI services, deployments frameworks, querying and connecting to DB using OSGI bundles.
- Actively involved in the DevOps streamlining process through Jenkins CI and CD Release Automation.
- Proficient on Automation tools like Selenium WebDriver and Selenium GRID using Java for developing automation scripts in Eclipse IDE with TestNG, Maven and Jenkins for testing Web Based Applications.
- Used version controller tools like Tortoise Subversion (SVN), CVS and Git.
- Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
- Experience in working with IDE’S like Eclipse, Spring Tool Suite (STS), RAD and IntelliJ.
- Have extensive experience working on Windows, Linux and UNIX Operating Systems.
- Ability to work effectively in cross-functional team environments and experience of providing training to business users.
- 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, 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), Pivotal Cloud Foundry and Spring Cloud.
Web/App Servers: Web Sphere, Apache Tomcat, JBOSS EAP, Web Logic Server and Apache Camel
Databases: Oracle, MS SQL-Server, MySQL, IBM DB2, NoSQL DB like MongoDB.
IDE tools: Eclipse, Spring Tool Suite (STS) and Intellij IDEA, RAD.
Modeling/ CASE Tools: Rational Rose and MS Visio Professional.
Testing Tools/ Others: Selenium, JUnit, TOAD, Soap UI, Putty, Rational Clear Quest, RTC, and Mockito.
Version Control: Tortoise SVN, CVS, Rational Clear Case and Git.
OS & Environment: Windows, Sun Solaris, UNIX
PROFESSIONAL EXPERIENCE
Confidential
Full Stack Developer
Responsibilities:
- Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
- Developed the view-controller components usingJSPs,HTML5,CSS3,AJAX,JavaScript (jQuery).
- Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side inAngularJS.
- Hands-on experience in developing integration with Elastic search in any of the programming languages like JAVA and JavaScript. Having knowledge of advance reporting using Elastic search and NodeJS.
- Implementedcorefeatures ofAngularJSframework such as dependencyInjection,Data-binding,Filters, Directives, Templates, Services and Deep Linking Designing.
- Used Java 1.8 features like stream and Lambda expressions.
- Maintained Interface compatibility and concurrency in the project using Java 1.8 new features like default, static methods and Concurrency API.
- Developed the monolithic application and involved in migrating existing monolithic application in to Micro Service Architecture based RESTful Service and deployments were done on AWS using Spring Cloud for AWS.
- Designed and developed Micro Services business components using Spring Boot.
- Responsible for creating an instance on Amazon EC2 (AWS), Pivotal Cloud Foundry and deployed the application on it. Involved in the development ofMicroservicesfor all the models using combination of Spring Boot and Spring Security.
- Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux) and used Spring Cloud for AWS.
- Worked on AWS services to deploy static websites and dynamic Web Apps on EC2 using Elastic Beanstalk and Elastic Container Service-Docker.
- Involved in creating EC2 instances and installed required configurations and applications on it and created S3 buckets for storing object level data into it.
- Developed API’s to read and publish data from Elastic Search cluster using native Java Transport client as well as REST client. Worked on Spring Integration with the Elastic Search.
- Used Spring MVC framework for implementing Model-View- Controller (MVC)architecture at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced, and maintenance will be very easy.
- Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.
- Used Spring Batch for processing large amount of data like transaction management, job processing, resource management and logging.
- Secured the API's by implementing OAuth 2.0 token based authentication/authorization scheme using Spring Security.
- Designed and developed third-party Payment services to Offer Users Convenient Payment Methods based on OAuth Protocol.
- UsedHibernateORMframeworkas persistence engine and wroteHibernateQueries to automate the mapping betweenOracledatabase andObjectsinJava.
- Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and access them through Java Programs from Oracle Database.
- Worked with MongoDB to store non-relational data into collection and retrieve them whenever required.
- Used WebLogic serverto route our JMS queue messages to different business floors and configured routes in WebLogic and used JMS in e-mail notification.
- Worked on setting up Maven scripts to build, package, and deploy application code to the target WebLogic Application Servers and worked on continuous integration servers like Jenkins.
- Hands on Coding to build REST Micro Services using Spring Cloud, Oracle, XSD, JSON, Spring Config, and Jenkins.
- Worked on developing RESTful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with RESTful endpoints.
- Focused onTestDrivenDevelopmentthere by creating detailedJUnittests for every single piece of functionality before writing the functionality.
- Performed automation testing and authored test scripts using SeleniumWeb Driver, Selenium Gridand Junit.
- Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven for build packaging and deployments of the application components.
Environment: Agile methodology, Java 1.8, J2EE,HTML5, CSS3, JavaScript, jQuery, AJAX, AngularJS, Hibernate, Spring, XML,JSP, JAX-RS, Spring AOP, Spring Security, Oracle, MongoDB, JSP, Docker, JMS, GIT, JIRA, PL/SQL, STS, JUnit, Log4J, Maven, Jenkins, WebLogic Application Server, AWS IAM, EC2, S3, RDS, SQS and PCF.
Confidential
JAVA/ J2EE Full Stack Developer
Responsibilities:
- Worked on Elevated level and low-level system design, planning, estimation and implementation.
- 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.
- Developed presentation layer using JSP, HTML5, CSS3 and client validation using JavaScript.
- 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.
- Used Web Services for creating rate summary and used WSDL and SOAP messages for getting useful plans from different module.
- 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.
- Used CAS Authentication for Single Sign on for the user login and authentication.
- Worked on Single Sign On application using LDAP directory service for secure authentication and assigning roles based on the login id.
- Implemented Multi Factor Authentication(MFA) for high-level users who access privilege applications.
- Worked on generating the web services classes by using Service Oriented Architecture (SOA), WSDL, UDDI and SOAP.
- 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 RabbitMQ 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.
- Experience in developing User reports using SAP Business Objects.
- Worked as L2 production support engineer for last 6 months supporting the business application after deployments. Resolved the tickets and supported the business application used by end clients.
- 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: Java, Concurrency, Exception Handling, J2EE, HTML5, Hibernate, Java SDK, Web Logic, SOA, WSDL, UDDI, SOAP, JavaScript, RabbitMQ, Struts, JSON, Servlet, JSP, CSS3, jQuery, AngularJS, AJAX, JDBC, Oracle, Maven, MySQL, Log4J, SVN, UML, JAXB, XML, Scrum, Unix/Linux, JUnit.
Confidential
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 HTML5, CSS3, 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’s 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 ActiveMQ.
- Written Stored Procedures and SQL Queries to interact with MS SQL Server.
- Involved in production support during deployments and worked on resolving tickets raised by business users and L1 supports.
- 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: Java, HTML5, CSS3, Bootstrap, jQuery, Spring IOC, Spring MVC, Spring Batch, Spring Security, XML, XSD, SOAP, RESTful, ActiveMQ, Log4j, SOA, Apache Tomcat, Agile Methodology, JUnit, Maven, GIT, JIRA and IntelliJ.
Confidential
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, 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 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, Eclipse 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
Jr. Java Programmer
Responsibilities:
- Involved in understanding and analyzing the requirements of the project.
- Followed Waterfall Methodology to implement the project.
- Used Java JDK 1.5 features to implement the functionalities.
- Designed and developed the User Interface using HTML, JavaScript, AJAX and CSS.
- Implemented Struts MVC design pattern for back-end.
- Developed Action Class components for performing business process execution and involved in configuration of struts configuration specific xml file.
- Created and handled Custom-Exceptions that are related to business operations. Created child Threads to improve the performance by running some independent tasks at background.
- Developed Server-Side components for the business services for creating Items, BOM, Sourcing Rules, and substitute.
- 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 Mantis for tracking the issues and for enhancements of any features.
- Used Eclipse IDE to integrate the different frameworks to build the overall application.
Environment: Java, JDBC, Jdk1.5, Servlets, Struts, JSP, Hibernate, Java Mail API, AJAX, HTML, XML, ANT, Log4J, CVS, RAD, Putty, MySQL, Mantis, Apache Tomcat, Eclipse IDE, Waterfall Methodology.
