Maxim N. Email and Phone Number

Dzen is a content platform with 20M+ DAU and over 40 min average daily timespent. Achievements:- Built from scratch and managed 3 teams of analysts: recommendations, search, news.- Invented from scratch recommendations evaluation approach via crowdsource, which made recommendations relevant and explainable to users (x3 less stupids), also less clickbait.- Described competitors market share estimation method, which allowed to choose key thematic segments and set up the strategy for video formats.

Multimedia team. Images, Video search analytics and metrics.Key result:- Found a ranking quality aspect with much poorer performance than main video search competitor, created an evaluation metric, committed the ML team to making improvements, which later resulted in closing the gap.

— Responsible for Images search metrics— Improved e-commerce metrics on SERP and in the image viewer— Developed learning to rank metric optimization for pairwise approach— Designed and assembled united framework for fresh and main SERP ranking quality evaluation— Conducted technical interviews for hiring new employees— Performed goals planning and execution— Mentored interns

— Set up crowdsourcing platform for automated everyday human markup acquisition— Built processing pipelines for the business logic— Executed and analyzed A/B tests for various ranking and interface improvements— Trained search results ranking formula for offline metric optimization— Provided analytical support for several development teams— Created KPI dashboards and reports

— Developed an automated features selection tool for predict core— Implemented distributed pipeline for raw data processing, creating aggregates and building prediction models— Deployed back-end on Google Cloud and AWS

— Classified web-pages by topic— Working as a team of two, wrote tests for topics covered by partner