Implemented functionality, code review and database design for the SFTR regulatory project for Macquarie.

Developed invoicing module for Ericsson R&D using OSGi and related technologies.

Built a document processing platform handling large volumes of data.

Created web portal for ticket sales and resale with additional features.

Developed payment gateway and aggregation platform supporting multiple payment channels.

Built retail point‑of‑sale system with database and API integration.