Gwyn Jensen Email & Phone Number

Greater London, England, United Kingdom

High Traffic, Highly Available, critical infrastructure, cloud-based Payments Platform for Direct Debit, Credit Transfer and Instant Payments across the Euro region. Processing millions of real-time and file-based payments per month.

Telford, England, United Kingdom

Rewrite batch file receipt, validation and processing as Camel routes

Telford, England, United Kingdom

Over 7 years on the HMRC account working in the Java Development Centre on transformation APIs and micro services as a senior developer and DevOps engineer.

Royal Leamington Spa, England, United Kingdom

Write the logistics and pricing components of a desktop commodities trading platform as part of a highly skilled and agile team of around 12 developers.

St Albans, England, United Kingdom

I worked in a team of 3 architects to guide the work of over 40 developers, both offshore and onshore. The project provided customer care centre software as well as a self-care portal for BT to sell to resellers of their communications network. The project interfaces with around 15 BT and 3rd party systems.

Telford, England, United Kingdom

Programme - SUPSProject - FamilyManMaintenance and enhancement of browser based court software. I was a lead developer on the project that wrote the FamilyMan application with EDS from 2005 until July 2007. This role with Logica involved the transition of the application to Logica, knowledge transfer to Logica staff and development of enhancements. - Impact and estimate new work- Respond to client RFC's- Knowledge Transfer and training- Identify and Design Scalability and Performance enhancements

Manchester Area, United Kingdom

Develop an online auction system for global energy trading using web 2.0 technology to update users web interfaces with real time changes in trading data.

Telford, England, United Kingdom

Rewrite the DCA/MoJ Oracle Forms application using Java, XML, XSLT and a JavaScript framework. The system ran a thick client through a browser with zero deployment required on the user PC. XSLT was used to generate over 180 printed outputs. The system is used to maintain all data associated with Family Law cases and courts in the UK.

Programme - Reform of Construction Industry Scheme (CIS)Build a compliance tool to ensure that contractors and sub contractors in the construction industry meet their tax obligations. In the April 2003 budget the Chancellor announced a £60 million reformation of the Construction Industry taxation programme. The vision was to deliver an efficient compliance process that reduced the regulatory burden on the industry and maximised tax rule compliance. Responsibilities:- Analysis, Design & Implementation of the Architectural Proof of Concept, covering new technologies, third party software, processes and interfaces.- Design & Implementation of System Prototypes.- Process engineering for development team- Administration of the Configuration Management System.- Construction of automated Continuous Integration and testing system- Review Analysis & Design realisations, code and unit tests.- Produce Use Case Designs- Implement Use Case Designs- Unit and function testing of code- User Experience Modelling- User Interface Prototyping using HTML and JavaScriptTechnologies:CIS utilised the following technologies: Java J2EE, HTML, JavaScript, STRUTS, UML, Pega Rules Process Commander, BEA WebLogic Server 8.1, Oracle 9i, WebMethods, the full Rational Toolset and a Data Warehouse. CIS will be deployed across multiple channels including Web, Contact Centre, EDI and Paper.

Programme - Payments Made FrameworkAccounting system for maintaining schedules of payments and making payments; A Framework with interfaces to all Inland Revenue departments. I was recruited to this project post live implementation on a temporary basis to support the live system and find resolution to performance issues. Responsibilities:Design and Implement new functionality for release 4, involving attended, and unattended functions and file transfers.Impact, Design and Implement patch fixes for known code errors.Identify JDBC performance issues and implement enhancements.Technologies:The PMF application has been developed in HP Superdome platform using Java/J2EE, UML, Oracle 8.1.7.4, BEA WebLogic Server 6.1, XML and Perl using the Rational Unified Process.

Programme - New Tax CreditsRoleDedicated system maintenance and support The government's flagship system for administering all tax credits from initial claim to final payment. I was recruited to this project post live implementation to manage the queues of new applicants that were waiting for their award notice.Technologies:Tuxedo 7.0, XML, Oracle 8.1.7.4, Oracle AQ and Tivoli Maestro Scheduler.

Project - Receipts Clearing Software re-engineering of a mission critical system for the UK Government, using Web Technology and RUP. The Receipts Clearing System replaced the business applications and the technical infrastructure of a 30 year old legacy system. The development platform is based on J2EE with Weblogic application server running on a cluster of midrange servers offering a B2B solution providing batch services to backend systems and web functionality for querying an online payment store.Responsibilities:- Design and Implementation of unattended services to backend systems.- Live support and service maintenance.- Point of contact for requirements team and analysts.- Implementation of junit unit test suites for Continuous Integration process.