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Persona.ly

Data Science Lead

в Persona.ly

520 000 —‍ 740 000 ₽/мес на руки

📍 НовосибирскПолная удалёнка
Специализация
Data Science / Machine Learning
Уровень
Lead
Английский
B2 — Upper-IntermediateB2 — Upper-Intermediate
Команда
6 - 10 человек

Persona.ly, is a global company with machine-learning based products in market research and mobile advertising fields, with offices and representations in Russia, India, Korea, China and headquarters in Israel, is looking for a data science lead, to join our data science team and report to the product lead.

As a data science lead of our machine-learning based RTB product, you will be part of a very stable (10 years old) global start-up company that moves fast and give real value to the customers based on our technology -helping their growth efforts, fraud prevention efforts and providing them with data-driven insights derived from our custom predictive models in our proprietary OpenRTB bidder, which processes over million transactions a second. We are solving classification problems with boosted trees, and using reinforcement learning and deep learning.

Stack

PythonSQLSparkXGBoostELKAWSS3AthenaSnowFlakeAerospikeEMRSagemakerDockerOOPOOADSOLID

You will

  • Be a professional focal point, take part in the development and growth of our data pipeline handling massive amounts of data (calculating over a million predictions per second), guide and oversee experiments around feature engineering, model optimization, and the implementation of state-of-the-art ML tools in our pipeline.
  • Solve a wide range of problems: from tabular problems using classical machine learning algorithms to implementing NLP and creating embeddings for millions of users, improving our prediction capabilities and helping leading app developers like Avito, Yandex, and Kefir acquire valuable users for their apps.
  • Take part in the implementation of deep learning algorithms combining feature embeddings and accurate analysis of text descriptions of applications.
  • Optimize our existing data processing pipeline together with our Java developers.
  • Implement AutoML methods that automate data analysis processes.
  • Research data preprocessing methods, visualizations, and monitoring experiments.

Requirements

  • 3+ years of experience as a data scientist.
  • Ad-Tech / mobile Marketing companies experience — Must.
  • Very high-level proficiency in Python, SQL, Spark.
  • Proficiency in boosted trees and XGBoost.
  • Knowledge of classic ML as well as a good grasp of the mathematical logic behind it.
  • Experience using ELK and AWS services (S3, Athena, SnowFlake, Aerospike, EMR, Sagemaker).
  • Experience with Docker.
  • Knowledge of the principles of OOP, OOAD, SOLID.
  • High level of English for daily communication and conversations.
Michal Grosman HRBP
Persona.ly

О компании Persona.ly

Сфера
Продуктовая компания
Размер
51 - 100

Persona.ly — глобальная компания, предлагающая продукты на основе машинного обучения в области маркетинговых исследований и мобильной рекламы, с офисами и представительствами в России, Индии, Корее, Китае и штаб-квартирой в Израиле.

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