Developed and maintained multiple Rails applications, delivering 5+ production features for business automation;

Built scraping systems processing 10k–50k+ records/day, reducing manual data collection by ~70%;

Designed and implemented REST APIs handling thousands of daily requests;

Developed Telegram WebApps with webhook architecture, improving user interaction speed and response time;

Optimized application performance, reducing response time of key endpoints by 20–30%;

Implemented background jobs (Sidekiq, GoodJob), improving async processing speed by ~40%;

Refactored legacy codebases, reducing recurring bugs by ~30% and improving maintainability

Built scalable scraping pipelines processing large datasets (10k+ records per run);

Automated data collection and cleaning workflows, reducing manual operations by ~60%;

Integrated third-party APIs (Google, Twilio, AWS S3) used in production systems;

Optimized database operations, improving data processing performance by ~25%;

Refactored legacy code following SOLID principles, improving maintainability and onboarding speed

MODX, Bootstrap, js, WordPress