Bek Roz

Architected and migrated a monolithic application to microservices, reducing infrastructure costs by $20K annually while improving scalability and enabling independent service deployments. Led performance optimization that achieved 2x faster response times and improved user retention. Directed technical decisions across 5+ languages (TypeScript, Kotlin, Swift, Ruby, Golang) and established coding standards reducing bugs by 40%.

Engineered a high-performance web scraping system processing 5K+ marketplace types, scaling to support 200K monthly active users with 99.9% uptime.

Established engineering team culture and processes; successfully recruited and onboarded 3 mid/senior engineers; implemented code review practices catching 85% of bugs pre-production. Reorganized deployment pipeline by architecting CI/CD infrastructure, reducing mobile app deployment time from 45 minutes to 9 minutes (80% improvement). Created comprehensive technical documentation covering architecture decisions, API specs, and deployment procedures, reducing new-join onboarding time by 50%. Implemented automated testing to achieve 75% code coverage, preventing critical production bugs and shortening QA cycles by 3 days.