Piotr Wocal

Design and implementation of reporting tool for analysis of business relevant information from system storing 13 billions impressions per month for 43 millions different users, including system architecture, core functionalities, web interface, performance optimization

Leading position at all technical aspects of development of payment gateway, that serves few million transactions a month, including: design, implementation, coaching, work coordination and cost estimations

Technical project manager for development team: taking responsibility for the organisation and implementation of projects which involve design, programming, testing, deployment, maintenance, troubleshooting, education, and emergency response - leading role in development of risk engine and risk checks for payment gateway

Participated in design and implementation of on-line payment gateway ( which serves several million transactions per month), including core functionalities, external system connectors, web interface - developed platform persistence layer including transaction and caching strategy - worked on data analyse module with data warehouse and Flex web interface - profile and optimization of various aspects of system - code quality checks, unit/integration testing

Praktikant, Developer dann Senior Developer

Database systems Artifical Intelligence