Middle Data Scientist

Key Skills

Java Programming, Python Programming, C++, C Programming, SQL, Cloud computing, Scala Programming, Machine learning techniques, Data science techniques, MATLAB Programming, PyTorch, TensorFlow, R Programming

Job Description

Xolla is a video game commerce company, powered by its Transaction Engine and Business Engine, that helps developers and publishers market, sell, connect and optimize their games globally. Serving only the video game industry, the Xsolla Transaction Engine powers the full suite of cloud-based tools to promote and monetize projects, while Xsolla Business Engine provides clients with the roadmap to maximize those tools, and connect them with industry partnerships to expand their business. The two work seamlessly together – for businesses of all sizes, from indie to enterprise – to solve the complexities of distribution, marketing and monetization so they can increase their audience, sales and revenue. Headquartered in Los Angeles, with offices worldwide, Xsolla operates as a merchant and seller of record for major gaming entities like Valve, Twitch, Roblox, Ubisoft, Epic Games and KRAFTON.

If you want to be closer to gamedev, working in a multilingual environment, like solving complex tasks – then the vacancy is right for you!

CORE JOB FUNCTIONS / RESPONSIBILITIES:

1) Develop existing solutions (metrics monitoring & user behavior analysis, process mining tools, anti-fraud system, chat platform, calls analyser etc.) and the machine learning models used in them;

2) Participation in R&D activities (you will advise business units on optimizing processes and search for insights using machine learning methods); 

WHAT WE EXPECT FROM YOU:

• Proficient in Python3.x (minimum 1+ years of experience);In-depth knowledge on classic supervised and unsupervised machine learning algorithms (including classification, clustering, and regression);
• Models quality validation;
• Knowledge of probability theory and mathematical statistics;Knowledge of the main data analysis, manipulation and ML-libraries (numpy, pandas, sklearn, etc.);
• Knowledge of data visualization tools, such as matplotlib/seaborn/plotly to demonstrate the results to the business;
• Proficiency in SQL;
• You possess critical thinking;
• You are able to convey mathematical information in human language;
• You love the data and their problems, like your family and friends :) 
• Ideally, you'll also have:
• Experience using cloud platforms and deploying analytics in a production environment;Experience in creating advanced machine learning models in the field of processing unstructured information (CV/NLP/Speech Recognition etc.);Experience with model ensembles (LightGBM/XGBoost/CatBoost);Experience in A/B testing
• Our stack: Python, Google Cloud, Airflow Git, Jira, Confluence

Benefits:

• Convenient work tools:
• Latest Mac workplaces + additional hardware to make you more effective at work
• Google Chat, Gmail, Google Drive, Confluence, Jira, GitLab
• Professional growth:
• Free trainings and participation in specialized conferences
• Rich knowledge exchange within the company 

More perks:

• Health insurance (Medical, dental and optical)- Employee and dependants
• Flexible hours: organize your day according to your needs and sprint & teamwork demands
• No dress code
• Comfortable and new office environment 
• Wellness perks
• Annual and performance bonus