Delivery of a replacement solution of Network Rail UK's current Schedule 4/8 applications on the Aptitude platform, including a shared reference data solution.• Design and build rail schedule data acquisition processing.• Development and modification of multiple web based UI screens.• Design and develop Draft Management solution for time boxed mass reference data changes.• Design rerunnable SQL script deployment processes for database change releases and data population.• Web service integration with Network Rail Possession Services. Delivery of Aptitude Revenue Recognition solution for IFRS15 compliance project at Singtel and Optus.• Solution analysis, scoping and requirements analysis. Facilitate and participate in requirements and design workshops.• Design and development of data aquisition, contract assembly, GL outbound and reporting solutions. • Database and application performance tuning.• Knowledge transfer to Optus technical support.