Srinivas

ac012p@r.postjobfree.com 720-***-****

Professional Summary:

Around 9 years of experience in all phases of software development life cycle.

Detail understanding and knowledge on design, development, deployment, testing, documentation, implementation & maintenance of Business to Business & Business to Customer.

Hands on experience working with TDD methods within Agile environment and continuous delivery, pair programming with developers, regularly involved in estimation and planning.

Strong exposure towards Pair Programming, Test Driven Development, Waterfall model and agile methodologies like SCRUM.

Experience working on Web applications and Client/Server build on Java and J2EE in Multitier environment.

Hands on experience working on build tools like Maven, Ant, Ivy and Log4j for logging.

Hands on experience working with version control tools such as SVN, and Github, Gitorious and Bitbucket.

Experience in designing and developing User Interface(UI) for applications and professional web applications using HTML5, CSS3, JQuery, JavaScript, AJAX and Angular.JS.

Extensively worked on different Spring modules like Spring DAO, Spring MVC, Spring IOC, Spring AOP, Spring batch etc.

Proficient in Object Relational Mapping tools like Hibernate which is used for database management.

Experience in writing unit test cases for the applications using JUnit Framework.

Strong in design and development of SOAP & Restful Web Services using WSDL, SOAP, JAX-WS, JAX-RPC, CXF, AXIS, JAX-RS, JERSEY, JSON and WS-Security.

In-depth knowledge and experience in implementing Service Oriented Architecture (SOA) using XML based SOAP/RESTful web services.

Hands on experience working on different data bases such as IBM DB2, Oracle 8i/9i/10g/11g/12C MySQL, Postgres and NoSQL like MongoDB.

Hands on experience in working with application servers/Web Servers such as Web Logic, Web Sphere, Apache Tomcat, JBoss.

In depth knowledge working on continuous integration tools like Jenkins.

Good knowledge working on project management tools like Rally, Jira.

Skilled at programming in different Java IDE's like Eclipse, IntelliJ, My Eclipse, Net Beans, JBuilder.

Extreme knowledge and Extensive working on J2EE technologies like Servlets, JSP, JDBC, JNDI, EJB, JMS, JSTL, XML/XSTL.

Extensive experience in using Design patterns/frameworks such as MVC, Singleton, facade, Design Access Object, Service Locator and Business Delegate.

Expertise in developing Use Case Diagrams, Activity Diagrams, Sequence Diagrams and Class Diagrams using UML modeling tools like Rational Rose and Visio.

Extensive experience in Object Oriented Analysis in developing server side and front-end framework using J2EE design patterns and Angular.JS.

Effective team player with excellent communication skills and insight to determine priorities, schedule work and meet critical deadlines.

Research-oriented, motivated, proactive, self-starter with strong technical, analytical and interpersonal skills.

Technical Skills:

Programming Languages

Java, J2EE, SQL, PL/SQL

J2EE Technologies

Servlets, JSP, JDBC, JNDI, EJB, JMS, JSTL, XML/XSTL

Frameworks

Struts, Springs, Hibernates, JSF

Web Technologies

HTML 5, CSS 3, AJAX, Java Script, JQuery, Angular.JS

XML Technologies

XML, DOM, SAX, XSL, XSLT, SOAP

Web Services

SOAP, RESTFUL, Apache 2.x, Apache-CFX, JAX-RS, UDDI, JAX-RPC, JAX-WS

Application/Web Servers

IBM Web Sphere, Web Logic, Jboss, Apache Tomcat, Wildfly, SQL

IDE’S

Eclipse, Net Beans, IntelliJ

Data Bases

Oracle 8i/9i/10g/11g,12C, IBM DB2, MySQL, MongoDB, (NoSQL), Postgree

Operating System

Windows 98/2000/NT/XP/7/8/10, UNIX, MAC

Messaging Systems

JMS, Apache Active MQ, Qpid Messaging Broker

Testing Tools

Junit Framework

SDLC Methodologies

Agile (SCRUM), Waterfall, Test Driven Development

Version Control Systems

GIT, SVN, Gitorious, Bitnucket

Build Tools

Maven, Ant, Log4j.

Educational Profile:

Bachelor of Technology in Computer Science, India.

Professional Experience:

Level3 Communications, Broomfield, CO, Oct 2016 - Present

API Developer

Project Description: Level 3 Communications is an American multinational telecommunications and Internet service provider company. IP Configuration and Provisioning Application is being developed for generating IP configurations according to the user requirements.

Roles & Responsibilities:

Designed, Developed, Tested and deployed application components following an agile environment.

Used Maven and Ivy dependency management system to deploy snapshot and release artifacts to share artifacts across projects and environments.

Used Nexus repository to maintain Artifacts

Involved with the version control and configuration management using Gitorious and Bitbucket.

Involved in development of the web pages using HTML5, CSS3, JSP and Java Script.

Extensively used JavaScript to provide dynamic User Interface for the client side validations.

Actively participated in meetings with Business Analysts and Architects to identify the scope, requirements and architecture of the project

Developed interfaces and their implementation classes to communicate with the mid-tier (services) using Qpid messaging service.

Used Hibernate module as an Object Relational mapping tool for back end operations over SQL database with POJO using hbm.xml files.

Developed REST web services API's supporting both XML and JSON implementing Spring MVC.

Developed unit test cases using Junit framework and Log4j for logging.

Worked extensively in SQL Server backend database development. Created complex queries, views, functions and stored procedures.

Deploy and testing application using Jboss and Tomcat servers on Windows platform.

Configured and maintained Jenkins to implement the Continuous Integration process and integrated the tool with Maven to schedule the builds.

Environment: Jdk 1.7, Java, J2EE, Agile Scrum, Rally, Junit, Eclipse, Qpid messaging broker, Jenkins, Gitorious, BitBucket, Ivy, Maven, Windows’7, Oracle 11g, SQL Developer, JBoss, Apache tomcat, SQL, HTML5, CSS3, Java Script

AT&T, Middletown, NJ, November 2015 – Oct 2016

Java/J2EE Developer

Project Description: This project was aimed at adding new functionalities. The project involved in routing the orders from user to exchange. This project is developed the new web services to the Legacy systems to support the orders.

Roles & Responsibilities:

Followed Agile Methodology and Scrum as a Software development process.

Used Java build tools like Apache Ant & Maven to build the project.

Used Software Configuration Management (SCM) tool SVN for project management.

Involved in developing front end screens using JSP, JSTL, JQuery, XSLT, DHTML, HTML5, AJAX, CSS3 and JavaScript.

Worked on React.JS for creating responsive design and used different components like forms, events, keys, animations and flux concept to build web pages and reusable components.

Used Application Server IBM WebSphere 7.x and Web server Apache Tomcat 9.0 to deploy and testing the application.

Developed class diagrams, sequence diagrams, and use case diagrams for the view accounts.

Used Apache CXF for the development of the project.

Also, involved in adding the Internationalization to the existing application.

Installed, configured and deployed the application on WebSphere Portal and Application Server with SOA Governance.

Developed JMS components to send messages from one application to other application internally.

Used Multithreading and Concurrency, and implemented threads while preparing and generating mails

Developed internal CLI applications using Commander Module for application build.

Part of performance tuning involved in analyzing the memory allocations, method calls, and time spent and implemented caching mechanism as a part of some of the changes made.

Involved in writing unit test cases using JUnit testing framework.

Used Hibernate as ORM to integrate with the backend database and implemented data access using Hibernate persistence framework, created XML mapping files to map POJO to DB tables.

Used XML and XSLT to display the pages in the HTML format for the customers.

Wrote different queries for database to retrieve the details from NoSQL database i.e MongoDB which are configured for One Source System.

Converted XML to Java objects using JAXB.

Built data-driven web applications using JSP by developing custom tags using JSP 2.0 for encapsulating presentation logic in concise form.

Used Jenkins for continuous integration in which all development work is integrated and helps to build the project.

Environment: Jdk 1.7, Java/J2EE, Ant, MongoDB(NoSQL), JavaScript, Angular.JS, CSS3, JSON, DOJO, AWS EC2, S3, Route 53, SOA Governance, SSO, WSDL, JMS, MDB, Web Services, XML, Apache Tomcat, Apache CXF, JQUERY, MAVEN, Log4J, XML Schema, XSD, JAXB, JUnit, SVN, JSP, Hibernate.

T-Mobile, Atlanta, GA, January 2015 – October 2015

Java/J2EE Developer

Project Description: T-Mobile’s Data Systems Engineering group is the heart of T-Mobile, which provides data services, quality solutions, operations to various departments. The project was designed and implemented according to MVC model architecture.

Roles & Responsibilities:

Involved in the design, development and testing phases of software development using Scaled AGILE methodology with Test Driven Development (TDD) and Pair Programming.

Implemented MVC architecture using Spring MVC framework. Composing the application classes as Spring Beans using Spring IOC/Dependency Injection.

Implemented synchronized and multithreaded design using spring MVC.

Used java concepts like Collections, Exception handling, Concurrency to develop business logic.

Used DOJO for client side framework. Developed Data persistence API using Hibernate and Spring DAO layer. Implemented logging and transaction manager using spring’s Aspect Oriented Programming (AOP) concept.

Used Hibernate by creating its mapping file and coding for data access methods.

Coded various business process methods required for creation of Web Services related to customer information and provider information, using JAX-WS, SOAP, WSDL and JAX-RS, REST web services.

Implemented critical DB design optimization techniques in the application.

Created Oracle cron jobs to update crucial tables. Redesigned and tuned SQL queries to improve the performance of the applications.

Developed the presentation layer with JSP, JSF, HTML5, CSS3, XML and VXML.

Developed and executed test data for unit, functional and user acceptance testing to assure quality project deliverables.

Worked on Maven2 during build process also modified pom.xml to use latest libraries and specifications.

Worked in build process, such as running build scripts to check out the code from SVN, to build it and deploying under UNIX boxes also running Web sphere deploy, startup scripts.

Handled the build and Deployment strategies. Involvement in end to end project phases and providing warranty support on the applications.

Involved in achieving minimum percentage of code-coverage for unit tests, which was a requirement for committing to a repository.

Environment: Java/J2EE, Spring, Spring Boot, Hibernate, JSP, Servlets, HTML, DOJO, JavaScript, Struts, Spring AOP, XML, XSD, XSLT, CSS, JPA, JUnit, RAD, Oracle, PL/SQL, SQL developer, WebSphere Application Server 6.1, ANT, Rational Clear Case, Log4j, Unix, Microsoft Visio, Quality Center, JIRA Tracking tool.

Wells Fargo, Dallas, TX, September 2013 – December 2014

Java/J2EE Developer

Project Description: Multi Asset Trading system (MATS) is an in-house Trading Platform used by Treasury desk, Muni desk and corporate desk for Trading activities, Position management and Risk monitoring. The platform offers the features Position viewer, Risk viewer. The platform is designed to interact with ECN’s like Bloomberg, Bond desk and Trade Web.

Roles & Responsibility:

Worked in an agile development process with three months’ release with monthly Sprint and daily Scrum.

Developed System architecture using different patterns like MVC, SOA, DAOs, Service Facade, Singleton, Factory etc.

Used Multi-threading and Concurrency concepts to overcome the errors in the process of transactions.

Used JMX for end of day closing and accounting. This project creates daily General Ledger transactions and updates Trial Balance.

Validated inputs using client side validations as well as server side validations. Used spring web services as client for different applications.

Used different methodologies to create client side files like maven plugin, simport in command prompt and used maven dependencies to use already uploaded jars on nexus.

Employed Java JAX WS in web services to create WS provider.

Used different plug-ins of Maven to clean, compile, build, install, deploy and more for jars and wars.

Transactions were managed by using Spring AOP and Spring Transaction management and Spring IoC container was used for independency injection and JSF Beans management.

JPA 2.0 was used for Database mapping and entity management.

Configured Hibernate hbm files for ORM mappings like many to one and one to many relational.

Configured Hibernate to work with spring, by setting up Session Factory in spring context file.

Used named queries, hql, list, merge and creator update. Troubleshoot maven dependencies to remove.

Wrote Page level code using JavaScript, XML and VXML with Angular.JS framework along with JQuery and other JavaScript libraries.

Created and Configure Micro services architecture for CDT Directory project and integrated with Angular.JS application.

Created continuous delivery pipeline for CDT Directory to run the war, Ami and deploy jobs in Jenkins brew master instance, which reduces the time for the deployment of Micro services

Used Log4J for debugging and error logging purposes.

Deployments of application to WebLogic using Anthill Build Server to Dev and Test level environments.

Developed test cases for Test Driven Development approach.

Environment: Java1.6, VXML, Angular.JS spring 2.0, Spring AOP, Spring IoC, JPA 2.0, Hibernate 3.3, JBoss 5.01, Eclipse Indigo 3.7, SQL Server 8.0, AntHill, Subclipse, Tortoise, Putty / WinSCP, Eclipse RSE, Win Merge.

BCBS - Chicago, IL, January 2012–August 2013

Java/J2EE Web App Developer

Project Description: Modernizing the existing Legacy Systems built on PowerBuilder & MagnaX that is used to Support existing provider interfaces, as a Java web application. Refactoring PREMIER provider as a Springboard application with Distributed solution.

Roles &Responsibilities:

Involved in various phases of Software Development Life Cycle (SDLC) of the application like requirement gathering, Design, Analysis and Code development.

Attended every day Scrum meetings to provide current project status demonstrations in every two weeks, thus implementing Agile Methodology (Scrum) with Test Driven Development.

Designed and developed the UI components using JSP, HTML5, CSS3, JavaScript, JQuery and AJAX.

Used Thymeleaf template engine that work both in web based and non-web based environments.

Developed business validation scripts for the UI using Forms and validation.xml components.

Used Tiles Framework for Presentation layer and Validation Framework for validations.

Implemented the persistence layer using Hibernate and configured Hibernate with spring to interact with the Database from the DAO.

Developed Hibernate mapping files using different mapping strategies such as table per class hierarchy. Implemented Spring Security for authentication and authorization.

Consumed Web Services - WSDL and SOAP for client side for exchange rate calculation and used JAX-RS with jersey for web services.

Implemented Spring Transactions along with Spring ORM for database transactions.

Extensively worked with Oracle database, created and worked with various database objects like Packages, Stored Procedures, Functions, Triggers, Views, Materialized Views, dblinks, external tables, Materialized Views etc.

Used JMS to send/receive asynchronous data to other applications.

Used Maven build tool for compiling and packaging the application and used Jenkins with maven for application build.

Used advanced database design techniques including query tuning and optimizations for the best performance of the application.

Performance analysis and tuning the message flow performance by analyzing the processing time taken by the message flow.

Creating environment for UAT (User Acceptance Testing) and facilitating Integration.

Identified and developed test cases and test scripts to perform load tests for Performance and regression testing.

Environment: Jdk 1.6, Java/J2EE, Eclipse, Spring Security, Spring AOP, Spring Transactions, Spring ORM, Hibernate 3.0, JAX-RS with Jersey, XML, JMS, Thyme leaf, XSLT, JSP, JavaScript, JQuery, HTML5, CSS3, Angular.JS, JUnit, Oracle 11g, Jenkins, Maven.

Accenture, Hyderabad, India, September 2009 – November 2011

Java Developer

Project Description: The following restates the original objectives of the project. The business objective of this effort is to ensure that Businesses can record their annual reports with the State of Vermont via Online. With the proposed VERMONT system, SOTS will improve the customer experience and significantly reduce the manual effort associated in filing of annual reports.

Roles &Responsibilities:

Implemented Agile - Scrum development in developing application.

Troubleshooting the requests, debugging the applications, and providing bug fixes.

Experience in translating requirement and entity relations diagrams/data model into Application code.

Correspondences consist of Certificate of Good Standing and Annul report. Involved in implementation of Normal Search and Advanced Search.

Involved in Tables creation in database by using the concept of normalization.

Implemented optimized solutions for some critical problems in the application.

Used SVN for version control and LOG4J for logging.

Involved in frontend layer development using Spring MVC.

Involved in handling validations in front end layer provided by spring annotations.

Written the SQL Stored Procedure and functions to retrieve the application level data as a DB2 Object.

Created UML class diagrams using My Eclipse Blue Configuring data source in Websphere Application server.

Configuring queue management in Web Sphere application server.

Involved in fixing the bugs identified during Testing, UAT and supported the Go-live hyper care for production.

Using Junit testing framework wrote test cases tested each flow.

Using SOAPUI tool tested the Restful and JAX-WS web services

Involved in design the Webpages using HTML, CSS and JavaScript.

Environment: Jdk 1.5, Java/J2EE, JMS, EJB 3.X, WebSphere 8.0.0.5, Eclipse IDE, DB2, SVN, Log4j, Maven, Angular.JS, Linux operating system

Accenture, Hyderabad, India, April 2008 to August 2009

Jr.Java Developer

Project Description: The application is responsible for fetching the tasks assigned to the user. It was new requirement for the existing dashboard. There was a corresponding portlet in the dashboard to display the details. The request to fetch the user tasks was sent by the login team using JMS post and the cache table was updated with the details after which we posted message in the UI queue about the operation. The UI team would access the cache table for the details and then the details would be displayed in UI portlet.

Roles &Responsibilities:

Was actively involved in designing with the Dev team and requirement gathering with the Business team.

Followed waterfall model to develop the project.

Worked with the web admins for the JVM creation and setting up the project in the environments.

Developed the module to post message to the external queue and read message from the application queue.

Developed Use Cases and Design documents for new Work Flow Settings.

Designed and developed client side GUI using JSP, HTML, CSS and JavaScript.

Used Log4j for logging.

Used Perforce as version controlling tool to share repository among team.

Environment: Jdk 1.5, Java/J2EE, HTML, CSS, Java Script, TOAD, JPA, WebSphere, Perforce, Oracle 9i.

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