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Data Scientists, Analytics III (senior)

  • By Barbara Rusek
  • 5 July 2022
Our client is looking for Analysts to join our Market Optimization team in the Data Science Org. Their exchange processes hundreds of billions of ad requests daily, resulting in petabytes of new data daily. They’re looking for Analysts who will use analytics and A/B testing to dig through the noise to identify and implement optimizations that increase yield for their publishers and efficiency for their buyers.
The ideal candidate has a passion for telling stories with data, an ability to explain complex ideas to a broad audience, and a keen eye for levers that drive business value.

What they offer

  • Working with the newest technologies such as Cloud Computing (GCP)
  • Experienced Team (50% of the company are senior developers!)
  • Challenges at work that are difficult to find anywhere else!
  • Solving important problems in a scale
  • Joining a company that is growing and scaling
  • Flexible working hours & remote work option

Key Responsibilities

  • You’ll be responsible for identifying and prioritizing the biggest opportunities for optimization across the exchange
  • You will leverage sound analytics, A/B testing, and industry knowledge to help tech/product make sound decision making
  • On an ongoing basis, you will be monitoring, optimizing, and troubleshooting OpenX’s programmatic marketplace with an eye towards automation


  • 5 years of experience in an analytics role
  • Proficiency in SQL and programming experience in Python
  • Experience designing and executing A/B tests
  • Solid grasp of probability and statistics, especially techniques that scale to massive datasets
  • Communicative Polish and English languages
  • Strong communication and presentation skills
  • BA/BS in a quantitative field such as Computer Science, Statistics, Physics, Mathematics or related. Advanced degree (MS+) preferred.

Their benefits

  • Annual performance bonus
  • Tax-deductible system due to copyright protection
  • Private health care for you and your family (covered by OpenX)
  • Private life and travel insurance (Covid insurance included)
  • MultiKafeteria program
  • Training: access to the LinkedIn Learning platform, Tech workshops, English lessons
  • Holiday Allowance
  • Pension scheme (PPK from PZU)
  • Additional paid day off
  • Free parking lot
  • Sports activities: online yoga/stretching classes 🙂
  • Access to peer to peer recognition platform
  • Possible trips to California once in a while
  • Company events (online during the pandemic time)
  • Monthly work from home allowance and one-time payment when you join us to help you set up your home office
  • They celebrate team members’ important personal milestones (vouchers, gifts)

Note: Prepare your CV in English (PDF), fill in the form and apply! 🙂

Please include in your CV the following clause necessary for the recruitment process: 

I agree to the processing of personal data that I have made available voluntarily in the recruitment process by the Administrator of personal data, i.e. Dotcommunity Spółka z ograniczoną odpowiedzialnością [Ltd.] based in Cracow, 15 Żabiniec Street, 31-215 Cracow, registered in Poland, the Cracow’s District Court – Śródmieście, XI Commercial Division of the National Court Register under number 0000468484, VAT number: 9452174499, (“Dotcommunity”) in order to carry out the recruitment process for the Data Scientist, Analytics II (senior) position on the basis of Art.6 item 1a of the Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation)

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