SUMMARY

• Highly motivated IT professional, 8 years of experience as a full stack java developer in development and implementation of customized software and web - based applications including Web.
• Experience in the field of Software Development as Developer. Expertise in full Software Development Life Cycle (SDLC) including Software Architecture, Object Oriented programming, Designing & Prototyping.
• Strong Programming Skills in designing and implementation of multi-tier applications using Java, J2EE spring (Boot, Cloud, MVC, IOC, ORM, Security, AOP), Hibernate, RESTful Web Services, AWS, Cloud Foundry (pivotal), Micro services, Camel Integration backend technologies.
• Strong experience in frontend technologies AngularJS 2.0/4.0, Java Script (NodeJS), jQuery, Ajax, JSP, Free marker Tags, XML, HTM5.0, CSS 3.0, PHP, XSL, JSON.
• Strong experience in database development using (SQL, PL/SQL) and experience working on databases like Oracle 11g, IBM DB2, SQL Server, HSQL, MySQL and PostgreSQL along with NoSQL databases like MongoDB.
• In depth understanding of Java/J2EE Design patterns - MVC, Singleton, Factory, Builder, Prototype, Session Façade, Service locator, Inversion of Control, Data Access Object, etc.
• Worked with IBM Web Sphere, JBoss, Web logic application servers and Jetty, Glassfish, Apache Tomcat web servers.
• Good knowledge in developing multi-threading applications.
• Experience in developing and consuming Web Services using SOAP, HTTP and WSDL.
• Well versed Software Configuration and build tools like ANT, Maven, Jenkins, Hudson, GitHub, Subversion, CVS etc.
• Experience in UML diagrams like Use Case Diagrams, Class Diagrams, Sequence and Behavior Diagrams.
• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS).
• Experience in reporting and searching tools like Crystal Report, Jasper Reports, SSRS, POI, Lucene engine.
• Strong Knowledge in Relational Database Concepts, Normalization and De Normalization Concepts.
• Strong experience in TDD (Test driven development) with in agile framework and waterfall model.
• Expertise in writing JUnit test cases for different kind of applications and development experience in mock object to simulate real objects.
• Experience with UNIX scripting and shell commands.
• Good experience with Operating Systems like Windows, LINUX and UNIX
• Proficient in programming by using the IDE's such as Eclipse, My Eclipse, RAD, Net Beans.
• Collaborating with teams located in different corners of world (Europe, Canada, Asia pacific, and North America).
• Prepared Technical design document, Use cases, Test cases and User manuals for various projects and good at Bug fixing, Code reviews, and Unit & System testing.
• Effective problem-solving skills, outstanding interpersonal skills, good in written and verbal communication. Ability to work independently as well as within a team environment. Driven to meet deadlines. Motivated to produce robust, high-performance software.

TECHNICAL SKILLS

Operating Systems: Windows, UNIX, LINUX

Programming Languages: Java 5/6/7/8, Java Beans, PL/SQL, T-SQL

J2EE Technologies: Java, Servlets, JSP, JDBC, JNDI, RMI

Frameworks: Struts, Spring, Spring MVC, Spring security, Hibernate

Databases: Oracle 11g, DB2, MySQL, SQL Server, Mongo DB

Development tools: IntelliJ, Eclipse, IBM RAD, NetBeans.

Web/Application servers: JBoss, Web logic 10.x/8.0/7.1, Apache Tomcat, IBM WebSphere. Glassfish

Web Technologies: HTML, DHTML, XHTML, CSS, Bootstrap, XML, XSL, XSLT, XSD, JWT, AWS.

Scripting Languages: JavaScript, Ajax, jQuery, Angular JS, Angular, Node.js, Backbone.js

Design Patterns: UML, Business delegate, Session Facade, Singleton, DAO, DTO, Factory Pattern.

Version Controllers: SVN (Apache Sub Version), GIT, CVS, Clear Case

Build/Testing tools: ANT, Maven, Junit

Logging Tools: Log4J, SLF4J

Web Services: SOAP, WSDL, REST

Others/Tools: Agile, RUP, JIRA, TOAD, MobaXterm, Junit, Test Driven Development (TDD)

PROFESSIONAL EXPERIENCE

Confidential, Jefferson City, MO

Sr Java Developer

Responsibilities:

• Responsible for gathering specification, Analyzing & Designing the system, developing the module with the above technologies by Implementing Business Logic, Preparing Unit Test Cases.
• Developing Microservices using Spring Boot, Spring MVC, Spring Cloud, Spring IOC, Spring AOP and JPA.
• Used Spring Boot for the application development.
• Integrated the application with Spring-MVC using Spring Boot, Spring Dependency Injection.
• Developed UI using Angular JS, HTML and Javascript.
• Developed with using secured bearer-based Service Consumed and Service provided with token-based authentication and authorization for RESTful (JAX-RS) web services.
• Implementing database operations using JPA, Hibernate for CRUD operations, association, inheritance and database for performance and written stored procedure and other SQL, PL-SQL routines.
• Writing test cases in Junit and JMockito testing framework.
• Accessed server-side RESTFUL API’s to construct data models for the Application.
• Worked on MongoDB and written some API’s for the search and reporting module.
• Worked with spring web flow, Multi-Threading using Maps like Concurrent Hash maps.
• Writing User stories and Tasks and estimating them in Rally as per Scrum planning.
• Configuring Dev, QA, UAT, Staging and Production Environment’s.
• Expertise in configuring a domain, deploying application, configuring data sources, logging and web subsystems in JBOSS Drool engine.
• Integrated Pivtol cloud foundry and SonarQube functionalities using REST API’s.
• Created PL/SQL triggers, SQL views, stored procedures, functions and packages to access Database.
• Developed user interface by using the React JS, Flux for SPA development. Implemented modules using Core Java APIs, java collection, multithreading, and object-oriented design principles. Designed and developed an internal meeting software using angular 4.
• Implemented spring cloud config server, Routing and Filtering to microservices using Netflix Zuul.
• Designed and implemented the MongoDB schema.
• Deployed spring boot application using Pivtol Cloud Foundry. Involved in Setup of Highly available clustered JBOSS environment using multiple standalone instances and Domain mode managed servers.
• Strong knowledge and hands on experience in documenting and designing REST API's using RAML File.
• Used spring frame work to provide high quality documentation for REST API’s.
• Worked on spring boot, spring cloud to develop application level Microservices.
• Deployed Spring boot application using pivotal cloud foundry.
• Responsible in performing the code reviews and code-quality checks and making the team to in corporate them within the sprint timelines to ensure the user stories are delivered with quality.
• Worked on MongoDB databases concepts such as locking, transactions, indexes, sharding, replication, schema, design.
• Responsible for client meetings to demonstrate the development tasks.
• Understanding of Spring cloud secure configuration, Cloud trail, cloud security technologies.
• Actively participated in the daily SCRUM meetings working with development teams on feature enhancement and real time bug fixing.
• Effectively used classes, collections, Exceptional Handlings and Multi-threading for writing the core logic.
• Experience in the developing professional web applications using HTML5, CSS3, JavaScript, jQuery, Bootstrap, AJAX, JSON, XHTML, XML and Node.js
• Responsible to create release management documents and maintaining the code using version control tools and carrying out code merging activity of different modules.
• Using SOAP webservices in the application developed a business logic.
• Always explore new technologies like NOSQL databases like Cassandra, MongoDB database for Dockers environments. Configuration guidance for a P2P.
• Testing the web services using the SOAP UI. Used Spring MVC framework with Maven
• Responsible in testing the classes and methods using Junit test case for unit testing of application and Log4j to capture the logs.
• Used SVN for version control.

Environment: Java 8, Spring 4, PostgreSQL, JUnit, SOA, RESTful, OAuth, JSON, JavaScript, HTML5, CSS, XML, PL/SQL, Oracle, XSD, Maven, Log4J,SVN, Spring tool suite(STS), Rally, AngularJS, Jenkins, Docker, JPA, Predix, Cloud Foundry, SoapUI, NodeJS, Spring (MVC, Boot, AOP and Cloud), Check Marx, SonarQube and new Relic.

Confidential, Chicago IL

Sr Java Developer

Responsibilities:

• Designed and developed modules of the application in Java/J2EE.
• Developed UI using Angular JS, HTML and Javascript.
• Used Spring Framework for Dependency injection and integration with Service objects, DAO etc.
• Developed server-side services using Spring MVC, Web Services and Jersey Rest services.
• Implemented web services security, Spring security.
• Responsible in generating and configuring the JPA entities and used Hibernate for the persistence layer.
• Developed DAOs for calling IMS host transactions.
• Involved in developing Triggers, Stored procedures in SQL, PL/SQL.
• Participated in unit testing, performance measuring and tuning the application.
• Assessed current practices and tools of the build organization and proposed organization, process and tools improvement areas based on agile practices.
• Optimizing MongoDB CURD operations.
• Implemented unit testing framework driven using Junit.
• Devised solutions to expedite the procurement of required data for unique website architectures compromised of React JS, CSS, JAVA SCRIPT. Designed various applications using multi-threading concepts, mostly used to perform time consuming tasks in the background.
• Used structs framework in the application, which is based on MVC design pattern.
• Extensively Worked on feature enhancement and real time bug fixings.
• Designed UI pages using JSP, Structs, Servlets, and Custom tags.
• Wrote Junit test cases for unit, integration, and functional tests.
• Manage and Monitor large production MongoDB sharded cluster environments having terabytes of the data.
• Involved in writing multi-threading synchronization concepts in java programs.
• Build a RESTFUL API. Server can process REST requests from clients and return appropriate responses
• Integrated Central logging system by using Log4j to capture the log that includes runtime exception and for logging info and are helpful in debugging the issues.
• Experience in using REACT JScomponents, Forms, Events, Keys, Router, plus Redux, Animations and Flux concept.
• Pro-actively, troubleshoot and resolve live MongoDB issues.
• Used XML, XSL to create PDF documents and reporting with data extracted from PostgreSQL.
• Converted complete project from clear case version to fully maven version.
• Involved in deployment of application on multiple application servers.
• Documenting MongoDB installation, operations, security, auditing multiple environments.
• Responsible in performing the code reviews and code-quality checks and making the team to in corporate them within the sprint timelines to ensure the user stories are delivered with quality. Typically dealing with major components of product (hardware’s) - Gateways, Nodes (intelligent device), Web Application (CMS) and dedicated cloud Linux servers for Openvpn, mbed device server (MDS), Lightgrid Server, Gateway Linux box.
• Involved in reviewing the test cases written by the Testing team to validate whether they are in line with the requirements defined and responsible on giving the sign off on the Integration Testing before the application is moved for UAT testing.
• Leading and guiding the test team and making sure that Lightgrid product is verified and validated as per specifications.
• Worked with the OpenGE and Rally tool for Quality Center bug tracking.
• Developed user interface by using the React JS, Flux for SPA development
• Supported sys ops team in troubleshooting and debugging of production technical issues by reproducing them.
• Responsible for developing other products like TALQ and Telematics as part of Light Grid program.
• Supported sales and operation function by Provisioning gateways, nodes and high-level verification before shipping to production sites. (Various cities - El Salvador, Georgia power, Oceanside, San Diego etc.)

Environment: Java, J2EE, Spring, RESTful Webservice, OAuth, AngularJS, JNDI, JMS, Active-MQ, PostgreSQL, XML, Restful Web services, Selenium/Web driver, Python, Robot Framework, Apache Tomcat server, Electronic, Unix, Jenkins, GitHub, Google Common APIs, Hazel cast, PC Tool, Confluences, openGE, Rally.

Confidential, WA

Sr Java Developer

Responsibilities:

• Involved in Analysis, Design, Development, Integration and Testing of application modules.
• Used JSP/Servlets, HTML, CSS and JavaScript for front end development.
• Involved in implementing application prototype using JSP, Servlets, JDBC and Struts framework for the presentation layer.
• Experience of utilizing multi-threading programming and collection classes to enhance general execution.
• Prepared Impact Analysis documents and other POC documents related to respective modules.
• Responsible for feature enhancement and bug fixing Using SCRUM Methodology.
• Responsible for estimates, delivery model and presenting to Client.
• Implemented Web sphere MQ for messaging.
• Responsible for maintenance and support of multiple environments (Prod, QA, Dev).
• Developed MVC application Struts along with EJB and writing complex SQLs of Banking transactions.
• Worked on JAX-WS soap based webservices.
• Extensively worked with XML using DOM and SAX parsers for transferring the Data between Different Components.
• Used Quartz scheduler to schedule email and various system tasks.
• Used XML, XSL to create PDF documents with data extracted from DB2.
• Involved in production defect fixing for the application.
• Responsible for Build/deploy application in Windows and UNIX environments.

Environment: Java, J2EE, Struts, Dojo, Oracle, JDBC, JNDI, JMS, JSP, Tomcat, WebSphere, Eclipse, HPQC, JIRA, SVN, Maven.

Confidential

Java Developer

Responsibilities:

• Involved in Requirements gathering, Analysis, Design, Development and Testing of application developed using AGILE methodology.
• Actively participated in the daily SCRUM meetings to produce quality deliverables within time.
• Designing and developing user interfaces using JSPs, Ajax and jQuery.
• Maintained CSS and HTML, Java Script, Bootstrap for designing Webpages.
• Implemented MVC architecture by using spring framework 3.0, Hibernate 4.0 in terms of JSPs.
• Implement the authentication, authorization, and access - control features by using spring security and LDAP for both login and admin pages.
• Used Hibernate annotations for Object Relational Mapping (ORM) with Oracle database.
• Developed the persistence layer (DAO) and the presentation layer (controllers) and used J2EE design patterns like Model View Controller, Data Access Object, and Business Delegate, etc.
• Used oracle as a backend database through PL/SQL developer tool.
• Responsible for coding SQL Statements and Stored procedures for back end communication using hibernate.
• Created and/or modified SQL Queries whenever required for change requests/enhancements.
• Deployed the complete Web application on JBoss server and used Log4J to capture the log that includes runtime exceptions.
• Used Maven to build war files to deploy on Application Servers.
• Worked with Java Executors frameworks to develop Multi-threading application.
• Implemented continuous integration through Jenkins.
• Used SVN for version controlling and Log4j for writing the log files.
• Developed the web application using Eclipse IDE.
• Used JBoss as the application server and deployed the war files into the application server through LINUX.
• Involved in the unit testing by writing the test cases and test suites with the help of JUNIT.

Environment: Java, J2EE, JDBC, Servlets, JSP, Hibernate, Spring, Spring MVC, JMS, HTML, CSS, JavaScript, jQuery, Ajax, CVS, Oracle 10g, SOA, JMS, XML, JAXB, MQSeries, WebSphere, REST, JSON, JUnit, Subversion, Ant, SLF4J, SVN.

Confidential

Java Developer

Responsibilities:

• Responsible for gathering specification, Analyzing & Designing the system, developed the module with the above technologies by Implementing Business Logic.
• Worked on JDO to JPA migration.
• Responsible for Monitoring performance of the application with JProfiler.
• Involved in mapping by using JPA annotations.
• Responsible for feature enhancement and bug fixing.
• Leading and Guiding Team members to accomplish task in accepted time frame by technically supporting.
• Development SOAP web services methods and testing with SOAP-UI.
• Design/Develop detail integration tests with JUnit framework.
• Integrated Struts with Hibernate for data mapping and creating data model.
• Technical design/architecture for new features/enhancements.
• Followed and developed a system for processing XML formatted, diagnostic messages using Web Services SOAP and JAX-WS.
• Created SQL queries and used PL/SQL stored procedures.

Environment: JSP, Servlets, Struts, Spring, JDBC, JavaScript, SQL, PL/SQL, UML, ANT and Oracle 9i, Scrum and Agile Methodology, WebLogic Server, Eclipse and SQL Developer, Tortoise SVN, Unix, JMeter, Jasper Reporting Tool.