Danil K. Email & Phone Number

Berlin, De

Berlin, Germany

As a part of the Experimentation Platform Team:* Improved a statistical engine with industry-standard methods: Sequential Testing, Outlier Filtering, and CUPED that increased sensitivity by up to 30%. * Developed and maintained an internal statistical library for Data Scientists and Analysts across the company.* Developed and introduced new metric taxonomy and centralized catalog to improve transparency and rigor.* Took an active part in research and developing Multi-Armed… Show more As a part of the Experimentation Platform Team:* Improved a statistical engine with industry-standard methods: Sequential Testing, Outlier Filtering, and CUPED that increased sensitivity by up to 30%. * Developed and maintained an internal statistical library for Data Scientists and Analysts across the company.* Developed and introduced new metric taxonomy and centralized catalog to improve transparency and rigor.* Took an active part in research and developing Multi-Armed Bandits in the experimentation domain. Show less

St Petersburg, St Petersburg City, Russia

* Managed team of four people working on DS (recommendation system, uplift modeling, scoring models) * Developed and rolled into production on AWS next services: - Near real-time recommendation system for content collections using multi-armed bandit algorithms, which increased average watched time per visitor by 9% - Service which personalizes any editor’s content collection based on existing recommendation system - Service which provides match score for each user… Show more * Managed team of four people working on DS (recommendation system, uplift modeling, scoring models) * Developed and rolled into production on AWS next services: - Near real-time recommendation system for content collections using multi-armed bandit algorithms, which increased average watched time per visitor by 9% - Service which personalizes any editor’s content collection based on existing recommendation system - Service which provides match score for each user and title pair Show less

St Petersburg, St Petersburg City, Russia

* Took part in developing recommender system which increased average revenue per visitor by 6%, reduced the content selection time by 20%.* Developed re-ranking model over Matrix Factorization based on Gradient Tree Boosting * Made analytics around recommendation from scratch: dashboards, reports, issue alerts, A/B tests* Developed and rolled into production revenue forecasting service using Airflow* Developed uplift model which selects relevant offer for each customer

Saint Petersburg, Russia

* Made reports and dashboards (Splunk, Python)* Made A/B tests result reports * Extracted insights from user behavior data using common unsupervised learning algorithms

St Petersburg, St Petersburg City, Russia

Master'S Degree, System Analysis, Operations Research And Control

Bachelor'S Degree, System Analysis, Operations Research And Control