SUMMARY:

• AWS Certified Full Java Professional with 7+ 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 Test Driven Development (TDD), Waterfall model and Agile methodologies like SCRUM.
• Strong working experience in developing Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
• Have good OOAD skills and data modeling using UML (Use-cases, Class diagrams, Sequence diagrams etc.)
• Strong Development Expertise in Core Java Concepts like Object Oriented Programming, Collections, Threads and Exception Handling.
• Experienced in Developing User Interface (UI) applications and professional web applications using Angular JS and Node JS.
• Extensive knowledge of Front-End Technologies such as: JSP, JSF, HTML, XHTML, DHTML, CSS, JavaScript, Angular JS, Node JS and React JS.
• Experience in React JS for creating interactive UI's using One-way data flow, React Native concepts.
• Experience in using Design Patterns, both Gang of Four patterns and J2EE design patterns (Model View Controller (MVC), Singleton, Business Delegate, Data Access Object (DAO), and Front Controller).
• Experience in working with the presentation layer using HTML5, CSS3, JSP, JSTL, Custom Tag Libraries, JavaScript, JQuery and AJAX.
• Expertise in estimations, analysis, design, development, testing, maintenance, performance tuning and deployment of internet, e-commerce and client-server applications using Java, Servlets, JSP, JavaBeans, JDBC, Spring, Hibernate, AJAX, JavaScript.
• Experience in developing web applications on MVC based frameworks like spring, Spring IOC, Spring Security, Spring Boot, Spring Cloud, and Spring MVC.
• Expertise in open source framework Object Relational Mapping (ORM) tools like Hibernate and also used Hibernate Annotations to reduce time at the configuration level.
• Experience in designing, developing applications using Struts Frame work, OAuth framework and configured the validation framework for validations and Tiles framework for layout management.
• Experience in using DOM4J, JAXB, JAXP parsing and XML Bean to process, validate, parse and extract data from XML files.
• Strong Experience in web development using interactive/Web technologies, XHTML, DHTML, JavaScript, DOM, Angular JS, framework (jQuery, Prototype, YUI, etc.), JSON, AJAX.
• Experience in development of REST and SOAP based web services using AXIS,WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB, JAX-RPC,AJAX technologies and Jersey frameworks.
• Good knowledge in usage of SOAP UI and Chrome Postman plugin for services testing.
• Experience in architecting cloud-based infrastructures on Amazon Web Services (AWS) for scalability, responsiveness, stability and affordability.
• Expertise in working with AWS Cloud platform and its services like: EC2, S3, EBS, VPC, ELB, AMI, Redshift, RDS (Aurora), IAM, Glacier, SNS, SWF, SES, ELASTIC BEANSTALK, Route 53, Auto scaling, LAMBDA, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups, other cloud service like Cloud Foundry.
• Experience in setting up Amazon EC2 instances, virtual private cloud (VPCs), and security groups, Data Pipeline and Lambda. Setting up databases in AWS using RDS, storage using S3 bucket and configuring instance backups to S3 bucket.
• Have excellent knowledge in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.
• Proficient in defining AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or moreEC2 instances.
• Expertise’s in implementing Jenkins jobs for continuous integration of the application and worked closely with build and release team.
• Experienced in build tools like Ant, Maven, Gradle and using them with continuous integration tools like Jenkins to create and publish application artifacts.
• Extensive experience in using IDE's Eclipse, My Eclipse, Eclipse Galileo, NetBeans and RAD.
• Experience in development, deployment and troubleshooting Web based and enterprise based applications on Windows, UNIX and Linux platforms.
• Expertise in using and configuring various web and application servers like IBM Web Sphere Application Server, Apache Tomcat, JBoss Application Server.
• Have strong working experience in the Relational Database Management Systems (RDBMS) like PostgreSQL, My SQL, Oracle, SQL Server, DB2, SQL lite, MS Access…etc., working with cloud services like AWS, PCF and NoSQL databases like Cassandra, Mongo DB, Hbase, DynamoDB, CouchDB, Redis etc.
• Extensive experience in using SQL and PL/SQL to write Stored Procedures, Functions, Packages, snapshots, Triggers and optimization with Oracle, DB2 and MySQL databases.
• Hands on experience in using different types of version controls GIT, Tortoise SVN, and CSV.
• Experienced in integrating different applications using Java messaging system (JMS), topics, Queues, messaging brokers like Rabbit MQ and Integration technologies like Mule ESB.
• Expertise in writing Unit Test Cases and having good knowledge in JUnit, used mocking frame work like Mockito. Spring test with Groovy for debugging and testing the applications.
• Have knowledge in integrated logging frameworks such as Log4J and commons for logging and debugging the application.

TECHNICAL SKILLS:

Web Technologies: HTML, JavaScript, XML, CSS, JQuery, Bootstrap, Angular JS, BackBone.JS, React JS, Node JS, JSP, PHP

Databases: MySQL, PostgreSQL, Cassandra, Oracle, MongoDB, DB2, NoSQL

Java Frameworks: Spring, Struts, EJB, Servlets.

Java/J2EE Technologies: Java, J2EE, JDBC, Hibernate, JSF, Jersey, XML Parsers, JSP, Servlets, EJB, JMS, Struts, Spring Framework (Boot, MVC, IOC, AOP, ORM templates), Web Services, Microservices, Servlets, JMS.

Languages: Java, C, C++, SQL, JavaScript, jQuery, Scala, Python, Ruby, PowerShell, Shell Script, Bash Scala.

Cloud Technologies AWS Services: Cloud Foundry, Pivotal Cloud Foundry (PCF), AWS (EC2, S3, EBS, VPC, ELB, AMI, RDS (Aurora), Redshift, IAM, Glacier, SNS, SWF, SES, ELASTIC BEANSTALK, Route 53, Auto scaling, LAMBDA, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups).

Build/ CI/ Versioning Tools: GIT, GitHub, Clear Case, Tortoise, SVN, TFS, Jenkins, Hudson, Bamboo, Ant, Maven, Gradle, Grunt, Gulp, Bower.

Operating Systems: Windows, Linux, Ubuntu.

Protocols: TCP/IP, SMTP, HTTP.

Design Patterns: MVC, IOC, Session Façade, Service Locator, Data Access Object, Data Transfer Object/ Value Object, Business Delegate, Singleton.

Application/ Web Servers: IBM WebSphere, BEA Web Logic, Apache Tomcat, JBOSS, NGINX.

Testing Tools: Junit, Mockito, TestNG, JMeter, Postman, SoapUI, Log4J, power mock, Selenium, Mocha, Karma, and Jasmine.

IDE: Eclipse, JBuilder, Net Beans, IntelliJ.

PROFESSIONAL EXPERINCE:

Confidential, SAN ANTONIO, TX

JAVA DEVELOPER

Responsibilities:

• Involved in various phases of software development life cycle which includes analysis, estimation, design, coding, integration, bug fixing and support phases.
• Used agile approaches, Including Test-Driven Development (TDD) and Scrum.
• Worked on Java technologies like Collections, Garbage Collection, Exception Handling, Lambda and J2EE technologies like spring, Servlets, JDBC, JSP and java 1.8.
• Developed Application controllers, Business and Data service modules for the web applications.
• Developed User interface screens using Servlets, JSP, Ajax, JavaScript, CSS3, HTML5 and React JS.
• Implemented business logic in client side framework using Angular controller scope and used angular directives to bind them to view.
• Worked with Micro Services architecture using Spring Boot modularized code and implemented Rest APIs using Spring Rest.
• Designed and developed the Customer Service portal using framework React JS along with HTML5, CSS3 and Bootstrap.
• Used Angular 4 route module for implementing the imperative routing and guards and implemented the router component for navigation.
• Involved in React JS for Data patterns which improves readability and made it easier to maintain larger apps and used React JS for declarative, efficient, and flexible JavaScript library for building user interfaces.
• Responsible for creating and maintaining architecture for Restful API using Spring Boot.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, and Spring Boot and handled the security using Spring Security, Spring 5.
• Implemented Spring MVC Framework IOC design pattern to have relationships between application components. It is also used to separate the application configuration and dependency specification from the actual application code.
• Implemented DAO implementation classes to interface with Database using Hibernate ORM.
• Developed application using Spring MVC, JSP, JSTL (Tag Libraries) and AJAX on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate.
• Involved in using web services - WSDL and SOAP for getting credit card information from third party Configured Hibernate with Spring.
• Build SOAP Web service from the scratch Involving in all the design & architectural implementations.
• Designed Interfaces and API’s using Restful Web Services for all our services.
• Implemented a SOA compliant system working on various transactional messaging using JMS, JDBC.
• Used Rabbit MQ message broker to route messages to the clients across the cloud network.
• Implemented the caching mechanism in Hibernate to load data from database, maintained mapping files of ORM while implementing transaction control layer.
• Worked on AWS and related services like EBS, RDS, ELB, Route53, S3, EC2, AMI, IAM through AWS console
• Developing templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Building AWS S3 buckets and managed policies and used S3 bucket and Glacier for storage and backup.
• Writing AWS Cloud Formation templates to create custom sized VPC, subnets, NAT, EC2 instances, ELB’s and Security groups.
• Used Jenkins for CI/Automation tool for Continuous Integration. Configured master and slaves to run various builds on different machines and used GIT as a Source Code manager, Maven and Gradle as a Build Tool.
• Developed and Deployed the Application on Eclipse IDE and Web Logic Web Servers.
• Responsible for Installing and configuring NoSQL databases like MongoDB and Cassandra.
• Manage and Monitoring large production MongoDB shared cluster environments having terabytes of the data.
• Developed GIT hooks for the local repository, code commit and remote repository, code push functionality and worked on the GitHub.
• Maintained JIRA for tracking and updating project defects and tasks ensuring the successful completion of tasks in sprint.
• Used log4j to capture the log that includes runtime exceptions and debugging.

Environment: Java 8, J2EE, Agile, JavaScript, CSS3, HTML5, ReactJS, Redux, NPM, Restful API, Spring Boot, Spring IOC, Spring MVC, Spring Batch, Spring Security, DAO, Hibernate, ORM, Web Services, RabbitMQ, JSP, JSTL, AJAX, Amazon Web Services(AWS), EBS, RDS, ELB, Route53, S3, EC2, AMI, IAM, Terraform, Eclipse, Jenkins, MAVEN, Web Logic, MongoDB, Cassandra, GitHub, JIRA, log4j.

Confidential, FRANKLIN LAKE, NJ

JAVA DEVELOPER

Responsibilities:

• Follows the guidelines of Agile methodologies or SDLC for project management.
• Involved in the end to end Development of Projects covering all phases of Software Development Life Cycle including Requirement Analysis, Designing, Build/Construction, Unit/Assembly Testing and Deployment.
• Involved in preparing High level and low level design documents for services used in application.
• Used HTML5, CSS3, Angular JS and Node JS for content layout and presentation layer (UI) designing. Used JavaScript, jQuery and Bootstrap for client-side validations.
• Enhanced user experience by designing new web features and also single page applications in Angular JS using built in and custom directives on DOM elements to create the HTML tags.
• Developed RESTful / SOAP web services in Mule ESB based on SOA architecture using MuleSoft Any point studio for business-to-business integration.
• Used Micro services architecture with Spring Boot, Spring JPA based services interacting through the powerful messaging tools such as REST, Apache Kafka message brokers.
• Used Core Java concepts such as multi-threading, collections, garbage collection and other J2EE technologies during development phase and used different design patterns.
• Used Cloud AWS S3 APIs to move larger volumes of data onto Cloud.
• Implemented integration platform on Amazon Web services (AWS) - EC2, S3, and Dynamo DB.
• Developed Junit test cases for all the different layer implementations
• Used Log4j Logger and Debugger to capture the log that includes runtime exceptions.
• Coordinate with Offshore team on the requirements and reviewed code developed by the team.
• Experienced in using Maven and Jenkins for build and integrations.
• Analyzing the defects and providing solutions to the client in a timely manner.
• Created deployment guides and property files for Mule soft applications for higher environments like QA, Stage and Prod.
• Used Sonar lint and Find bugs to maintain code quality.
• Used StatsD and Grafana to track AWS Cloud Operations.

Environment: Java/ J2EE, Anypoint studio 5.4,Mule server 3.7, Apache Maven, Cloud AWS, Dynamo DB, Web services, JSP, CSS, XML, HTML, Angular JS, Bootstrap, NodelJS, XSL, Oracle DB, Tomcat, REST, CVS, Eclipse, Jenkins, Sonar lint Docker, GitHub, Redis Server, Granfana.

Confidential, MINNEAPOLIS, MN

JAVA DEVELOPER

Responsibilities:

• Responsible for Requirements gathering, Conceptual Design, Analysis, Detail Design, Development, System Testing, User Acceptance Testing, Data Validation, Version Controlling and deployment.
• Design and developed web application using JSF, Spring Web Flow, spring and AJAX technology.
• Used Selenium Web driver for automating functional testing and to identify various critical points in applications.
• Followed Agile methodology and participated in Sprints during development.
• Reverse Engineered using Hibernate plug-in for RAD to generate Hibernate configuration, POJO classes and DAO classes and wrote finder methods using Hibernate Query Language (HQL) for dynamic searches.
• Wrote JavaScript's for validating the client side user information based on their business rules.
• Coordinate activities and motivate others through leadership and a positive outlook, having Strong analytical and debugging skills.
• Developed Custom tag libraries for providing multi-lingual functionality.
• Worked with HTML5, HTML, DHTML, CSS, JAVASCRIPT, and JSON in UI pages.
• Developed Mail Merge framework to create bulk mails by merging data with MS Word templates using MS Office Java API.
• Prepared and Execution of test scripts using Selenium.
• Designed and Developed LDAP Authentication & Authorization Services using Java, LDAP, DB2 Commands.
• Designed and Developed Business Process layer components and integrated with Spring framework.
• Developed complex service components for Data Access Layer, DAO classes to interact with backend using Java and Hibernate Framework.
• Created and maintained mapping files and transaction control in Hibernate.
• Configured web.xml, faces-config.xml for navigations and managed beans. Integrated JSF, Spring and Hibernate Frameworks.
• Web development techniques and advancements in the area of UX and responsive frameworks
• Designed and developed Web Services to provide services to the various clients using SOAP and WSDL.
• Experience in Web Services development using Apache-Axis, JAX-RPC, JAXB and Security architecture for marinating security levels for business process.
• Developed complex stored procedures (common shared routines) to interface with Aging and Youth application.
• Involved in transforming XML data in to Java Objects using a JAXB binding tool.
• Wrote builds and deployment scripts using ANT and was also responsible in maintaining them.
• Wrote Junit classes for the services and prepared documentation.
• Integrated various modules and deployed them in Web Sphere Application Server.
• Responsible for debugging, testing, maintaining and deploying the application.

Environment: Java 1.7/1.8, J2EE, JSP, JSTL, JDBC, JSF, Spring Framework, Hibernate, XML, JavaScript, Web services, SOAP, WSDL, Servlets, DB2, HTML, JUnit, Selenium, Web Sphere Application Server.

Confidential

JAVA DEVELOPER

Responsibilities:

• Involved in all the phases of SDLC including Requirements Gathering, Design & Analysis of the Customer Specifications, Development and Customization of the Application.
• Designed/Developed extensive additions to existing Struts/JAVA/J2EE Web Application utilizing Service Oriented Architecture (SOA) techniques.
• Efficient use of Java Collections, multi-threading concurrent package and generics to make a configurable utility.
• RESTful, service API are built using Apache CXF.
• Worked with NoSQL Databases like Mongo DB.
• Applying Spring Framework for transaction Management and Spring JDBC for building ORM, and Dependency Injection
• Develop integration techniques using apache avtiveMQ technologies.
• Used SOAP (Simple Object Access Protocol) for Web service by exchanging XML data between the applications.
• Implement the Listener interface and overridden the methods to perform Event-handling.
• Followed Test Driven Development (TDD), Scrum concepts of the Agile Methodology to produce high Quality Software.
• Developed various Java objects (POJO) as part of persistence classes for OR mapping.
• Developed tabs with rollover effect using JavaScript plus other effects
• Worked on EDI (Electronic Data Interchange) transactions.
• Improved the performance and response time of the application by implementing AJAX.
• Developing the user interface using JSP's, JSTL, HTML, Servlets, and Ajax.
• Developed SQL query statements that are re-usable and immune from SQL Injection attack.
• Developed queries and stored procedures using squirrel Sql client version3.6 for connecting to GemFire Xd.
• Used GemFire Cache to enhance performance, reduce redundant calls and proper memory management.
• Developed the Dao's using SQL and Data Source Object.
• Developed several stored procedures and functions using advanced Oracle concepts such as Bulk Binds, Bulk Collects to improve performance.
• Used Maven for building the application and deployed to JBOSS Application Server and resolved numerous server deployment related issues.
• Spring used to implement the Model View Layer (MVC) architecture. Client-Side validations were done using JavaScript.
• Developed the global logging module which was used across all the modules using Log4J components.
• Used Application Lifecycle Management (ALM) as a media to fix defects raised by testing team and monitored the product development.
• Used JUNIT using JAVA for testing and check API performance.

Environment: Java /J2EE, Spring-4, JSON/XML, Hibernate, JUNIT, ActiveMQ, HTML 5, CSS 3, Angular Js, JQuery, JBOSS Application Server, Quality Center, Drools, Apache Maven and Jenkins.

Confidential

JAVA DEVELOPER

Responsibilities:

• Designed and developed java backend batch jobs to update the product offer details. id Core Java coding and development using Multithreading and Design Patterns.
• Did Core Java development and Support of Java/J2EE applications with emphasis on OOP-based web forms, business logic, and database access components. Preparing technical specifications, test plans for unit testing.
• Hands on experience with Core Java with multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections
• Used Hibernate 3.2 as ORM solution in persistence layer of the application. Involved in developing custom tag libs, JSP, EJB's, Portlets and DB2 - stored procedures.
• Defined persistent classes that are mapped to database tables based on the analysis of the business domain.
• Wrote HBM mapping files and POJO classes to map database tables with java objects. Created an XML configuration file for Hibernate -- Database connectivity.
• Involved in Preparing Check List for Application Deployment in Implementation.
• Preparing technical specifications, test plans for unit testing. Actively involved in the code reviews.
• Debugging and troubleshooting the bugs and resolving the issues. Involved in bug fixing & production support and maintenance activities.
• Performing Code merge using SVN and Deploying of code to Web sphere.
• Performed activities for quality process by configuration management to achieve CMMI Level.

Environment: Java 1.6, JSP, Struts, Servlet, EJP, Spring, Hibernate, My Eclipse, Java Script, JSTL, Unix, Shell script, AJAX, XML, Websphere Application Server, SQL, PL SQL, Maven, ORM, Weblogic 10, Web service.