Ulyana Kobzar

Development of automatic payment processing system that allows to pay for services from payment terminals, mobile apps and Internet banking.

Responsibilities:

• System integration with card processing centres, payment systems and banking accounting systems using file exchange, XML/JSON APIs and distributed transactions.
• SQL and PL/SQL performance tuning.
• Implementation of limit mechanism for credit cards.
• Implementation API and database design for sending credit card PIN and CVV via SMS from card processing center to client with using encrypt algorithms for data security.
• Development of automatic payments (payments which are made in specific time and with specific period of time).
• Implementation API and database design of registration, receiving account information and voting process for natural and legal entities.
• Implementation of parsing plain text/XML log files with Python scripts.
• Development of web server for interaction between payment data source and payment data management system with Flask framework.