Duration
2001 – 2005
Summary
The objective of this project was the design and implementation of an application for the automated complete and detailed invoice verification of IT desktop services. This included the production of monthly invoices based on the commercial inventory, comparison with invoice substantiating data from service provider and reporting to various levels of management.
Project environment
As defined under an outsourcing agreement, my client obtained IT desktop services from his provider for approximately 75,000 personal computers.
Project goal
The task was to verify each individual data record of the invoice substantiating data which on a monthly basis came along with the invoice. This encompassed monthly recurrent service, one-time charges and also consumption based charges. Reports for different purposes had to generated for various levels of the management.
Project size
Business side of the client was involved with about 10 people and the provider side with about 6 people. Implementation was done by myself.
My responsibilities
In the overall project, I was responsible for the implementation of the invoice verification application. These included, among others, the following aspects:
- Management of all requirements initiated by various stakeholders,
- Development of algorithms and data models,
- Authoring of all requirements and specification documents,
- Programming of all specified features,
- Design and scheduling of tests,
- Preparation and conduction of the approval by my client,
- Conducting the go-life phase,
- Operating and maintaining the application.