SUMMARY

• 6 years of experience in IT industry as Java/J2EE Developer, worked in the areas of Analysis, Design, Development, Production Support and Deployment of Web based applications using Object Oriented Concepts, Java and J2EE, Web Services (SOAP, RESTful,WSDL), JavaScript, AngularJS, Jenkins, AJAX, HTML and XML,JMS.
• Hands - on experience using Spring Framework in business layer for Dependency Injection, AOP, Spring MVC, transaction management and using Hibernate as a persistence layer.
• Extensive knowledge on the spring modules like Spring IOC, Spring Boot, Spring DAO, Spring Web flow, Spring Security, Spring MVC and Spring AOP.
• Developed services and applications using Java with the Spring Framework Spring Boot, Spring MVC, Spring Security.
• Experience working with UI technologies such asHTML5, CSS3, Bootstrap, JavaScript, JSON, AJAX, JSP, JSP Tag libraries, Servlets, Angulas JS.
• Good understanding of new features of Java 9 like modularity, JVM compiler Interface, AOT compilation
• Experience on Amazon AWS, EC2, S3 and cloud front.
• Worked on B2B development works on BEA WebLogic 9/10/12, IBM WebSphere 6/7, Tomcat 6/7/8 and JBOSS Applications servers.
• Manage and suggest improvements on API documentation along with some competency writing when managing API docs.
• Used Jenkins for continuous integration, Github for version management &Maven for building the application in the cloud leveraging AWS API’s.
• Developed Web Services with JAX-WS (SOAP) and JAX-RS (Restful), Jersey.
• Extensive experience in IDE tools like Eclipse, Net Beans, RAD, WID (Web Sphere Integration Designer).
• Experience in various databases Oracle, DB2, PostgreSQL and SQL Server and LDAP.
• Worked on data logging framework such as: Log4j, to detect logging data and to analyze data traffic analysis and developed ATDD (Acceptance Test Driven Development) test cases using java for the written code.
• Full-stack software engineering experience building micro-service applications.
• Experience in version control tools like Jira, GIT, SVN, CVS and Microsoft visual SourceSafe.
• Complete knowledge on Agile and SCRUM structure of software development by conducting meetings and co-ordinating with the team members to meet the deliverables.
• Strong analytical, debugging skills with experience in fixing ad hoc production issues.
• Ability to learn and adapt quickly to new environments and emerging new technologies.
• Excellent analytical, communication, organizational and interpersonal skills.

TECHNICAL SKILLS

• Programming Languages
• Core Java, J2EE, PL/SQL.
• Web Technologies
• JSON, JSP, HTML, HTML4/5, CSS, DHTML, JavaScript, Angular JS, AJAX
• XML Technologies
• XML, XSL, XSLT, SAX, DOM, AXIS, Castor, XML Beans and JAXB.
• Web/App Servers
• Apache Tomcat 4.0/5.0/6.0, Web Logic 8.1/9.1, Web sphere 7.0, Web Sphere Application Server 8.0 & RAD 8.5, JBoss
• IDE
• Eclipse, Net Beans, Red Hat Developer Studio, WSAD, IBM RSA development IDE,IntelliJ
• Tools
• Splunk, Jenkins,WebEx, TOAD, Xml Spy, Ant, PL/SQL Developer, JUnit, JMock
• Operating systems
• Windows, UNIX, Linux and MS-DOS.
• Databases
• Oracle 8i/9i/10g/11g/12c, My SQL, MS SQL Server, DB2, MongoDB
• Frameworks
• Struts, CSS Frameworks, Spring (Dependency Injection, Spring MVC, SpringAccess, DAO, Factory Pattern, Core, Spring Context, Spring AOP, Spring DAO, Spring IOC, Spring JDBC, Spring with Hibernate), Hibernate

PROFESSIONAL EXPERIENCE

Client: Confidential 

Title: Java Developer

The Colorado Department of Labor and Employment (CDLE) is the principal department of the Colorado State Government responsible for local government assistance, property taxation, property assessment appeals, affordable housing, and housing construction regulation. Today, the work of the Colorado Department of Labor and Employment is more critical than ever. This Department provides the information and tools that are helping Colorado businesses and workers remain competitive.

Responsibilities:

• Involved in Analysis, Design, Development, UAT phases of the application.
• Developed REST web services for implementing the business logic for different functionalities in the features that are developed.
• Manage and suggest improvements on API documentation along with some competency writing when managing API docs.
• Improved the throughput using the concepts of multithreading like Executor Services & Concurrency API.
• Experience with and understanding of AWS architecture and services, including EC2, S3, RDS, ElastiCache, and VPCs.
• Developed java modules implementing business rules and workflows using Spring Boot.
• Responsible in developing and consuming REST webservices and working in a micro-service environment.
• Designed and developed the REST based Microservices using the Spring Boot.
• Refactored the code for JVM Optimization and performance of application.
• Implemented J2EE standards, MVC architecture using Spring Framework.
• Worked on Spring Core layer, Spring ORM, Spring AOP in developing the application components.
• Developed the application using Eclipse IDE and worked under Agile Environment.
• Added the required jar files to the application as dependencies to the pom.XML file.
• Used JPA with Hibernate provider and implemented business logic components using POJOs.
• Worked on serialize and de-serialize of data in applications using JSON
• Developed test cases for Angular code using karma and protractor.
• Utilized Postman for verifying the smooth workflow of the application, how the application is changing with the newly developed functionalities and also verified the output for the web services.
• Wrote Junit test cases for testing the functionality of the developed web services.
• Utilized CSS, HTML and JavaScript for the development of the front-end screens.
• Actively participated in the daily scrum meetings and bi-weekly retro meetings for knowledge sharing.
• Used JIRA for tracking the daily work.
• Used Git for version control.
• Involved in writing program documentation and technical specification documents

Environment:Java 1.8, CSS, HTML 5, Spring 4.0, JPA, Hibernate 3.0, JMS, AWS, Maven, Log4J, JavaScript, JUnit, MySql, Sql Server, Github, Angular 4, REST Web Services, Jenkins, JUNIT 4.0, Jmockito, JIRA

Client: Confidential 

Title: Java Developer

Oncore started the WellSTAR project to support the Division of Oil, Gas & Geothermal Resources (DOGGR) of the California Department of Conservation (DOC). The project is about organizational transformation with a modernized solution serving as the driver for standardizing business processes, enforcing data quality and consistency, and enabling DOGGR to respond effectively to statutory, federal, and public demands for information. Our solution modernizes the Risk Based Data Management System (RBDMS) originally developed by the Ground Water Protection Council (GWPC).

Responsibilities:

• Involved in Analysis, Design, Development, UAT and Production phases of the application.
• Implemented the project using agile-scrum methodologies using Version one.
• Expertise in Core Java with strong understanding and working knowledge of Object Oriented Concepts like Collections, Multi-Threading, Concurrency framework.
• Implemented the project as a multi-tier application using Spring MVC & used core Spring concepts like AOP, IOC.
• Implemented the application using spring boot and microservices.
• Improved the throughput using the concepts of multithreading like Executor Services & Concurrency API.
• Developed RESTful web service using Spring and JAX-RS for retrieving data from server and internal communication. Create and consume web services (SOAP & REST)
• Implemented UI using Angular JS, Java Script, JQuery, HTML5 & CSS3.
• Developed the presentation layer using JSP’s, CSS, AJAX and Java Script.
• Developed XSLT files for transforming the XML response from the web service into HTML as per the business requirements.
• Developed the Persistence Layer using Hibernate.
• Used Business Delegate, Singleton, Front Controller, Factory and DAO design patterns
• Developed stored procedures, triggers and sequences.
• Involved in performance tuning of application and environment for optimized performance during month end load using JProbe.
• Used Jenkins for continuous integration, Github for version management & Maven for building the application in the cloud leveraging AWS API’s.
• Involved in building and maintaining cloud based infrastructure on AWS.
• Implemented logger for debugging using Log4j
• Served as POC for on call support in the production team on a rotation basis.

Environment:Java 1.8, JSP, CSS, HTML 5, Spring 4.0, Hibernate 3.0, JMS, AWS, Maven, Log4J, JavaScript, Ajax, JUnit, Oracle 11G, Weblogic 12.0, Unix, Github, Angular JS 1.X, SOAP & REST Web Services, Jenkins, JUIT 4.0, Jmockito, JIRA.

Client: Confidential

Role: Java Developer

Responsibilities:

• Involved in various steps of SDLC such as analysis, design and development of system and developed specs that include Use Cases, Class Diagrams, Sequence Diagrams and Activity Diagrams using Rational Rose.
• Designed the user interfaces using HTML, CSS, JavaScript, JSPs.
• Developed the application using Spring Framework that leverages classical Model View Controller (MVC) architecture.
• Implemented Dependency Injection (IOC) feature of spring framework to inject beans and AOP for creating the exception handling aspects.
• Implemented the application using the concrete principles laid down by several design patterns such as MVC, Business Delegate, Data Access Object, Singleton and Factory.
• Java Message Service (JMS) API is used to allow application components to create, send, receive, and read messages.
• Extensively used Hibernate in data access layer to access and update information in the database.
• Implemented dependency injection of the Spring IOC to inject beans and to integrate with O/R mapping tool Hibernate.
• Deployed the applications on JBoss Application Server.
• Developed JUnit test case for all the services and manager methods.
• Implemented SOAP Web Services to integrate third party service using the WSDL and created stubs.
• XML parser APIs SAX and JAXB in the web service's request marshalling and unmarshalling.
• Developed SQL for querying the Database, Written stored procedures and triggers for NoSQL.
• CVS for version control of the application and Log4J to capture the log the events and exceptions.
• Implemented the library dependency management and application build process using Maven.

Environment: Java, EJB, HTML, XML, XSL, XSLT, JavaScript, CSS, JDBC, Struts, JSP 2.0, JUnit, ANT, Clear case, DB2, IBM Web Sphere Application Server 5.1, WebSphere Studio Application Developer (WSAD).