J2EE Architect / Senior Developer

Technologies

J2EE
- Enterprise Java Beans

- Web services

- Spring + Integration & MVC
- Servlets
- Struts
- Hibernate
- JDBC
- JMS
- JAAS

Full Career History | Demos | Contact Me | Download CV

Name: Mike Whitfield

Current Role: J2EE Architect / Senior Developer

Consultancy with over twenty years experience in the development and implementation of large scale, business critical systems in the insurance, banking, telecommunications, media, retail and airline sectors, now specialising in the production of J2EE applications.

Twelve years of commercial Java for both software houses and end user organisations, working with a variety of development methodologies and keeping up to date with all technical developments in the field.

Sectors

Banking
Insurance
Consultancy
Telecommunications
Retail
Media
On-line Gaming

GWT
JUnit
XML/XSLT
Swing

Application Servers
- Websphere 4 - 7
- WebLogic 7
- JBoss

Databases
- DB2
- Oracle
- Nonstop

IDEs
- RAD
- Eclipse
- Springsource Tool Suite
- WSAD

Methodologies

- Agile
- TDD
- UML
- RUP

Recent Roles

Client	BSkyB - Mobile and Interactive
	Java Senior Developer
Technologies:	Java 6: Eclipse (SpringSource Tool Suite), Spring 3, Spring Integration, XSLT, JSON, Plist, JUnit, Tomcat, Solr, Maven, Agile, TDD, JIRA
Developed server side code to retrieve, store (Solr), aggregate and transform XML news feeds for iPhone, iPad and Android applications.
Client	Virtual Business Systems Ltd
Technologies:	Java 6, Eclipse, Spring, Hibernate (MySQL), GWT, JUnit, Tomcat
Developed GWT / Google Map based Road Traffic Accident claim application. Developed a Spring bean versioning component. Developed GWT based Ancestor Location application to integrate genealogy files with database and Google Map geocoding data, enabling distance based event searching using customised Google Map tools.

Client	Salmon - E-Commerce Applications
	J2EE Senior Developer
Technologies:	J2EE / Java 6: Eclipse (RAD), Websphere Commerce 6 & 7, EJB, DB2, Spring, Agile
Developed WC 7 based e-commerce sites and provided support for WC 6 based sites. Developed Content Management sub-system incorporating external news feeds and linking articles to products. Developed multi store price management and product propagation components.
Client	Legal & General - Protection Insurance
	J2EE Architect / Senior Developer
Technologies:	J2EE: Eclipse(RAD / WSAD), Websphere 4 & 6, EJB, Spring + MVC, Struts 1.1 + Tiles, JMS(MQ), ANT, JDBC & Hibernate (DB2), Drools rules engine, TDD (JUnit, CruiseControl), Subversion, UML
Extended Spring / Hibernate based framework to provide automatic auditing of change to business model and developed other infrastructure components for use in J2EE applications. Extended Spring’s test framework to enable comprehensive component integration tests to be included in CruiseControl. Developed business components for online sale of Protection and General Insurance products. Migrated applications from Websphere 4 to Websphere 6 using IBM's Rational Application Developer IDE.

Client	Aspective - Software House
	System Re-Architecting, J2EE Consultancy
Technologies:	J2EE: Websphere 4 & 5, Eclipse(WSAD), EJB, Struts, Web services ANT, JDBC, Oracle 9.i Autonomy, UML
Re-architected Avalon based application into J2EE architecture (including Struts presentation tier) allowing both architectures to co-exist and enabling a phased migration between them. Provided general consultancy on J2EE, web services, the use of WSAD and migration of non Java applications. Developed a proof of concept J2EE application incorporating a customer's core functional requirements to demonstrate an internationalised web based solution.

Client	Barclays Bank - Business Banking
	J2EE Systems Integration
Technologies:	J2EE: Websphere, WSAD V4, EJB, Servlets, JSP, XML, JUnit, UML (Rational Rose) , RUP
Produced UML Design for Customer integration component and sub-components of a Credit Aggregation product. Developed presentation and mid-tier code, using EJB Session beans to integrate Barclays Enterprise Components with a third party product accessed via a CICS Transaction Gateway Produced omprehensive JUnit harnesses for components 6 week incremental delivery of code

Client	Legal and General - Life Assurance, Pensions, ISAs
	J2EE Systems Integration, Systems Re-Architecting, Web Content Management
Technologies:	J2EE: Websphere 4, WSAD V4, EJB, JDBC(Oracle 8i/ DB2), JMS, RMI, Servlets, JSP, Struts, Swing, XML/XSL (Xerces/Xalan), JUnit, VisualAge UML(Rational Rose)
Ported applications from OrbixWeb to Websphere 4 using WSAD Evaluated Portal Solutions (BowStreet and Vignette) Developed mid-tier for Stakeholder Pension Scheme Administration and New Business Tracking applications. Produced XML based Web Content Management product allowing users to self author components of websites using a Swing based WYSIWYG XML/HTML editor. Developed Unit Trust purchase web application and provided support for web ISA, Fund Selling and Switching applications.

Client	NSC Technology - Network Equipment Suppliers
	E-Commerce aplication development
Technologies:	Java 1.1 & 1.2, Servlets, JSP, JDBC(Oracle 8i), NT, Solaris(Apache), VisualAge
Developed user registration, order processing and tax/charge components of application to sell network equipment and services over the Internet.

Client	Financial Times
	Web based Journalist's Desk Top
Technologies:	Java 1.1 & 1.2, Swing 1.1.1, RMI, JDBC (Oracle 8i)
Wrote client code for Wire Services, Story Sharing and integrated e-mail (fronting Notes and SII), then developed complete Chat sub-system and Notes middle tier. Implemented message digest and encryption security mechanisms and developed stress testing package.

Earlier Roles

Clients

Aspective
Barclays Bank
Legal & General
Financial Times
Optus
Monacall
NSC Technology
HP(Tandem)
Telstra
Lloyds TSB
SAS

Top | Full Career History | Demos | Contact Me | Download CV