Arputharaj David Email & Phone Number

Reading, England, United Kingdom

Head of Cloud Services and Site Reliability Engineering

Reading, England, United Kingdom

Reading, England, United Kingdom

Harwell Campus, England, United Kingdom

Reading, England, United Kingdom

Project Title: Dynamic Linear Ad ReplacementClient: Virgin MediaRole and Responsibilities: • Involved in solution design analysis, Integration Test planning, and E2E validations for RESTful web services catering to Set-top box functionality of Dynamic Linear Ad Replacement (DLAR) and VOD Ad placements.• Actively lead integration tests script development based on solution design, requirement coverage analysis, batch automation using groovy and Unix SHELL scripts, load performance test setup.• Worked on streamlining Jira project and process for E2E integration test cycles and defect workflow management and Dashboard reporting. • Administered ALM to Jira data migration, Zephyr and Xray test repositories, and sprint board planning.• Responsible for Joint integration support to external teams and multiple environments E2E data configurations.• Developed extensive Jira, Confluence and EazyBI reports with live metrics to automate project status updates across different releases and teams. • Involved in designing tools to identify high risk defects and test cases, generated extensive reports, and trend graphs for effective risk-based test planning. • Improved project process practices and trained multiple external teams on defect management, test planning and live reports.Environment:Rest Webservice, XML, PHP, Groovy, Unix Shell scripting, AWK, Eclipse, JIRA, Zephyr, Xray, Confluence, Postman, SoapUI, Microsoft Project, Bentham Edge, Grafana, Kibana

Reading, England, United Kingdom

Project Title: VM MiddlewareClient: Virgin MediaRole and Responsibilities:• Involved in development of Middleware web services catering to Web portal, set top box, mobile applications with functionalities to Authenticate, activate services, perform diagnostics, manage profile and check usage.• Developed complex web services to handle external and middleware systems as per solution design, optimized web services to meet performance criteria and architectural guidelines. • Involved in designing tools to automate code review process and guidelines validation, designed tool to generate frequently used SQL files and validate its results. • Build management configured using Maven with maven archetype and releases using Bamboo builds.• Administered WebLogic server for development environments setup and configuration changes, used Oracle enterprise manager for cache management. • Extensively used Eclipse for web service and library developments, Apache directory studio for LDAP verifications. • Used JVisualVM for performance monitoring and Dynatrace Appmon for performance tuning.• The application was developed by Waterfall software development methodology.Environment:Java, J2EE, Maven, third-party libraries and APIs, Java/Native layer, Eclipse, Apache Directory studio, JVisualVUM, Dyantrace appmon, Gradle, XML, SOAP, Log4J, JUnit, Maven, SQLite DB, Weblogic, JSON, Oracle, PL/SQL, GIT, UNIX.

Chennai, Tamil Nadu, India

Project Title: LaBox AppClient: CablevisionRole and Responsibilities:• Actively involved in design and development of Business API application and Android mobile application with functionalities to View and Pay bills, manage appointments, search help topic, and perform self-service tasks to be used by Cablevision customers.• Developed Base libraries for the Business API application to integrate with backend Authentication, Appointments and Payment services. • Involved in designing web services to support both iOS and Android mobile applications, also designed session management at client side for re-authentication scenarios. • Build management configured in Gradle with maven libs and support for Proguard builds.• Used SQLite database for tables creation and involved in writing SQL queries to handle upgrade.• Extensively used Eclipse for business API application and Android studio for mobile application development.• Used Log4J for logging and tracing the messages.• The application was developed by Agile-Scrum software development methodology.Environment:Java, J2EE, CXF, Spring, Android SDK, third-party libraries and APIs, Java/Native layer, Eclipse, Gradle, XML, SOAP, Log4J, JUnit, Maven, SQLite DB, Weblogic, JSON, Oracle, PL/SQL, GIT, UNIX.

Chennai, Tamil Nadu, India

Project Title: Connect MobileClient: ComcastRole and Responsibilities:• Actively involved in design and development of android mobile application which provides unified inbox for Email, Text, VoiceMail along with VoIP/Video calling and address book.• Developed Location tracking service using Google API libraries for supporting 911 emergency text standards. • Involved in users Email accounts migration to IMAP and Mobile application upgrade to support IMAP using mailcore2 libraries. • Build management migrated from ANT to Gradle with maven libs and support for Proguard builds.• Designed and developed Voice2Go features using WebRTC libraries to support Voice and Video calling.• Used SQLite database for tables creation and involved in writing SQL queries to handle upgrade management for Major database redesign.• Set up Jenkins server and build jobs to provide continuous automated builds.• Used JSON objects effectively for efficient client side coding.• Extensively used Eclipse and Android studio for writing code.• Developed test cases on JUnit.• Used Log4J for logging and tracing the messages.• The application was developed by Agile-Scrum software development methodology.Environment:Java, J2EE, Android Studio, Eclipse, ANT, Gradle, XML, SOAP, Log4J, JUnit, Maven, SQLite DB, Weblogic, Jenkins, JSON, Oracle, PL/SQL, GIT, UNIX.

Texas, United States

Project Title: Value Added Services Integration PlatformClient: VerizonRole and Responsibilities:• Actively involved in the development, testing and maintenance phases of automated system end-to-end business processes to create and manage Value Added Services, these services are provided to the customers thru partnership with 3rd party content providers.• Designed several systems involved in ordering of a product, billing a customer and managing the vendor systems.• Developed web services architecture for communicating to internal and external systems on J2EE platform.• Configured and managed weblogic as application servers, web services and JMS are implemented to support integration with external services.• Backend functionalities implemented with Oracle database with PL/SQL, UNIX shell scripts are setup for scheduled jobs.• Used ANT for build framework and Jenkins for continuous build system• Used SVN for version control across common source code used by developers.Environment:Java, J2EE, Spring, Hibernate, WebLogic, Eclipse, AJAX, UML, SOAP, JSP, HTML, XHTML, Log4J, JUnit, Maven, Oracle, PL/SQL, SVN, JSON, Jenkins, Apache Tomcat 7.0

Texas, United States

Project Title: Project NorthClient: Frontier CommunicationsRole and Responsibilities:• Designed and developed the scripts and admin portal for migration of systems data from OSS/BSS systems (SSP, BQT, VASIP, etc) to Frontier legacy systems.• Building and deployment Admin portal that will perform centralized search across multiple disparate source systems and database environments. • Involved in designing faster, reliable and easy data access solution to address the customer issues post conversion.• Responsible for integrating inter dependent systems and provide the data in different views and reports to compare and identify data discrepancy.• Responsible for developing web portal in Struts2 framework & J2EE platform with Weblogic as application server.• Data retrieval and storage in Oracle database. Retrieval of data from database using JDBC Connectivity.• Developed Automated Jobs to monitor data during and post migration, reports with known trouble shoot steps are shared with the dependent systems. Environment: Java, J2EE, Servlets, JSP, Struts, Ajax, JavaScript, REST services, HTML, XML, XSL, Web Logic, JBoss, Oracle, PL/SQL, Eclipse, Design Patterns, IBM MQ ,JQuery, EJB, Ant, Apache Tomcat, Hibernate, Jenkins, CVS.

Florida, United States

Project Title: Customer Management Information SystemClient: VerizonRole and Responsibilities:• Involved in maintenance and enhancement of ITSD (IT Support Desk) suite of applications and its components.• Designed applications with objective of centralized trouble ticketing application for all internal and external groups of Verizon Telecom, Wireless and Business• Implemented separate architecture for communicating Commercial Customers through Spring framework, Java Messaging queues and services (JMS/MQ).• Followed Agile methodology, interacted directly with the client, provide/take feedback on the features, • Involved in Design, Development of is service bus architecture for communicating to external groups.• Development using J2EE platform with Weblogic as application server and Informix as backend.• Communicates with other internal applications via JMS messages, EJBs, and web services.• Implementing Client Side validations using JavaScript and developed front end code with HTML and CSS.• Implementing the DAO’s to perform the data operations - retrieve, update, insert and delete.• Supported for bug fixes and functionality change and code releases.• Used CVS for Version Repository maintenance.Environment:Java, J2EE, Servlets, JSP, spring, Hibernate, JavaScript, HTML, DHTML, CSS, PL/SQL, JUnit, Maven, SOAP,JMS/MQ , XML, REST, UML, Web Logic, UNIX Shell script.

Chennai, Tamil Nadu, India

Project Title: Strategic System PlatformClient: VerizonRole and Responsibilities:• Involved in maintenance and enhancement of strategic, transformational system used by Verizon customers to order DSL, DIAL, Fiber and fast packet products such as Frame Relay and ATM services.• Optimized Build scripts and application packages which consolidates functionality that existed within the four separate platforms in East & West. • Developed UNIX shell scripts for running daily data loads using global environment file.• Optimized the code and database PL/SQL for maximum performance. • Involved in Query optimization, performance tuning and index creation.• Involved in requirements gathering and preparing software requirement specification.• Design and maintain the database to support the application using Oracle8i.• Responsible for deploying Web Logic application server.• Prepared the automation steps for development environment setup and debugging process.• Prepared Documentation of the system. Writing JUnit Test cases for testing the application. • Supported for bug fixes and functionality change and code releases.• Used CVS for Version Repository maintenance.Environment: Java, J2ee, Servlets, JSP, EJB, XML, HTML, CSS, JavaScript, XML, XSLT, JUnit, UML, Oracle, Web Logic, UNIX Shell script.

Chennai, Tamil Nadu, India

Project Title: Verizon IVRClient: VerizonRole and Responsibilities:• Involved in maintenance and enhancement of is an interactive voice response (IVR) system that can receive and provide information from and to the customers through telephone.• Developed VoiceXML (VXML) scripts supporting Contact Management Systems segment of Retail Market. • Developed UNIX shell scripts for running daily data loads using global environment file.• Involved in requirements gathering and preparing software requirement specification. • Supported for bug fixes and functionality change and code releases.• Prepared Documentation of the system. Writing JUnit Test cases for testing the application. Environment: Java, J2ee, Servlets, JSP, EJB, VXML, JUnit, UML, Oracle, Web Logic, UNIX Shell script.