Denis Sakhnov Email & Phone Number

Head of the team developing Yandex Images Search service https://yandex.com/images/ .It is a part of Yandex web search working with multimedia content and related functionality. My team develops- complex high-load services including search engine working on several tenth of thousands CPUs- recommender engine for visual ecom - search database: stream data processing system, batch and realtime indexing system, large databases and MapReduce processes working with tenths of PiBs and tenths of thousands CPUs- new products within the service, new product features and monetization.- DevOps processes and runtime support on the live large-scale productionI built a development team and manage it creating positive environment and taking care of people and their professional growth. I create design for large scale services, change architecture for optimisation and develop strategy for service infrastructure evolution, propose new product features and always find the most way to fullfill product needs. Work with different teams in Yandex.Some of achievements:- new system of stream processing and indexing of images and additional data. Wrote about part of it https://habr.com/ru/company/yandex/blog/514962/- new microservice structure for images search significantly increasing capacity- commercial search in images, similar goods and related services- Increased base quality and fullness implementing ML on different stages of database processing.

Indexing system for Yandex Images SearchRecomender system for images, Yandex Collections

Moscow, Moscow City, Russia

Developed OCR and System for ML documents classification