vehsa

Developed high-volume real-time bidding (RTB) advertising system processing 100,000 RPS. Designed and implemented advertising materials storage and sales platform (banners and videos). Created integration and connected 5+ in-house AI models for different bidding strategies. Rewrite of core services from C# to Golang. Built viewability tracking system for advertising campaigns. Reduced production incidents by 10x through improved monitoring and processes. Established technical debt management, improved release cycle, significantly reducing TTM.

Developed high-load microservices for the largest classified marketplace. Led team of 8 engineers. Architected and launched branded goods sales platform. Built service automation tool for data model operations, reducing TTM for multiple teams. Conducted migration and data enrichment of 100,000+ of products. Participated in quarterly planning with product managers, collected and improved team performance metrics. Mentored intern, conducted 30+ interviews.

Backend development for Yandex.Eats - leading food delivery application. Successfully launched Yandex.Eats in Kazakhstan. Implemented dynamic delivery zone generation algorithm, reducing delivery costs. Built taxi delivery integration and restaurant penalty system. Developed order pickup service. Developed upsale feature (AI recommendations).

Fullstack development and team management for adtech project. Established Kanban and CI/CD processes from scratch. Designed and deployed fault-tolerant DSP processing ~70M requests daily. First Unity Ads integration in the region.

Backend development for affiliate program in fintech/forex/crypto sector. Defined, documented, and implemented financial billing requirements. Built real-time cryptocurrency quotes microservice.

ERP for gas turbine testing.

Adtech platform.

HoReCa aggregator.

Shared hosting startup.