Rost User

Built the Invoicing Data module for AffiliationCloud, a B2B iGaming affiliate platform, from scratch, including Laravel APIs, Vue 3/TypeScript interfaces, CSV imports, filters, editable tables, and tests. Prepared a financial data migration from a legacy platform by mapping source data structures, writing migration scripts, and validating transferred data.

Delivered features for an automotive CRM developed from scratch, spanning database changes, Laravel APIs, and Vue 3 interfaces. Clarified requirements, proposed implementation options, and independently made technical decisions for assigned features.

Modernized a legacy B2B car rental platform across Laravel and Vue.js, restructuring controllers exceeding 10,000 lines to follow the agreed application architecture. Resolved production failures and performance bottlenecks through API and database query optimization, and added automated tests to protect existing functionality during the rewrite.

Worked on a US advertising data platform, handling processing, filtering, and exports using Laravel, MySQL, and ELK.

Developed a media portal for video, music, and news using PHP, Phalcon, and MySQL.

Worked on a Swedish government API integration and automated alerts using Laravel and MySQL.

Bachelor of Science in Computer Science from Kyiv Polytechnic Institute, completed in 2016.