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RTB 实时竞价
Data scientist – TrafficStars
Data scientist – TrafficStars
Limassol, Cyprus

Every day our advertising network registers over 6 billion events using 300 servers located in 5 data centres in Europe and the United States. During peak hours the load reaches over 700 thousand requests per second. The ClickHouse cluster has a total size of 1.2 petabytes. At the same time the whole system works like a Swiss watch, made possible only thanks to a team of smart, talented and proactive people. We are looking for real professionals ready to implement new and ambitious plans with us, which will allow us to keep providing the best service for our clients. The vacancy implies a relocation in Limassol, Cyprus and full official employment (whole family relocation is available). Southern Europe (sun, sea, fruits), ecology, safety and a huge Russian-speaking IT community.


  • Assistance in selecting metrics and evaluating the impact of new product tools;
  • Work with internal reporting systems and BI, development of key analytical and management reporting of the company (ClickHouse, R-Studio, Grafana);
  • Interaction with business and development to select key product metrics;
  • Traffic optimization, identification of growth areas;
  • Network traffic quality control;
  • Regular analysis of product statistics and metrics to put forward product hypotheses and suggestions;
  • Understanding the needs of colleagues and clients in analytical tools, suggesting ways to improve them;
  • Development and approval of dashboard layouts for monitoring product metrics (Grafana);
  • Participation in the work on functional requirements and technical specifications;
  • Participation in the acceptance of product features, control of target metrics after launch;
  • Control and automation of the deviation control of the main indicators of the product. Ability to understand and get to the bottom of the causes of deviation;
  • Ability to talk about your hypotheses, metrics, tools to team members;
  • Decomposition of complex problems.


  • You have at least 3 years of experience as a business analyst;
  • You have the skills to collect and formalize business requirements, write technical documentation;
  • You know how to defend your opinion in a reasoned and accessible way, relying on numbers;
  • You like solving complex and new problems, trying new technologies, following the market and constantly developing;
  • Understand Scrum and Agile methodologies;
  • You have successful experience of working in a team of 7 people or more;
  • Understand math. methods in data analysis;
  • Have critical thinking;
  • Ability to write complex SQL queries. Knowledge of SQL ClickHouse features will be a big plus;
  • Have experience with BI platforms, understand the basic design principles of analytical panels (dashboards);
  • You are able to work with large data arrays (over a trillion events per year).

A big plus in your experience will be:

  • English (Intermediate level and above);
  • Higher technical/mathematical education;
  • Experience in setting up and working with Google Analytics, GTM;
  • Familiarity with technologies and architecture of web applications;
  • Experience in the advertising network and understanding of the basics of media buying;
  • Knowledge of case tools (MS Project, Visio);
  • Experience in software development;
  • Understanding the mechanics of conducting A / B tests;
  • Good technical background: confident use of one of the scripting languages;
  • Ability to meet deadlines or signal problems on time;
  • Ability to understand the needs of the customer's business and find the optimal implementation;
  • Soft skills: result-oriented, analytical mindset, high level of communication skills, proactivity, consistency.

We offer:

  • All-white salary above the market average;
  • Lack of dress code and bureaucracy;
  • A work laptop to choose from: Mac or PC;
  • Tickets to Cyprus at the expense of the company;
  • Work visa for employee and visitor visa for family members;
  • We provide housing for the first month;
  • Medical insurance and mobile communications;
  • Help with family relocation from any region;
  • Free lunches and drinks;
  • Always full baskets of fruits and all sorts of goodies in the office;
  • Free courses in English and Greek;
  • Payment for sports activities;
  • Partial fees for schools and kindergartens.

Join our team!

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