At OneTarget, I developed Java and Spring Boot backend services for a high-load, real-time DSP platform handling approximately 40K requests per second. I also implemented supply-side platform integrations, real-time bidding logic, and frequency capping.
At OneTarget, I designed ClickHouse data models and aggregation pipelines for analytics, and implemented an audit system with an API for historical change tracking. I also developed administrative interfaces using React and TypeScript.
At Holisto / Splitty / Algotels, I developed responsive React applications for hotel search, details, and booking. I implemented multilingual support and optimized rendering across the shared, multi-platform codebase.
At Dream Screen, I built a React application for generating posters and price tags, replacing a slow Java-based UI while preserving existing UX flows. I also developed an online template editor and search and filtering features using Elasticsearch and Firebase Cloud Functions.
Russian Federation