Data Scientist, Analytics at OpenX
Krakow, PL

OpenX is looking for an ambitious Data Scientist, Analytics to distill our unusually large dataset consisting of 100B+ daily transactions into insights to inform revenue decisions. In addition, you'll be monitoring the health of our business, working on experiments to drive revenue across our exchange, and helping set the standard for data-driven decision making across the company. 


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.  


Key Responsibilities

  • Partner with stakeholders across tech, product, and business to deliver actionable insights and aid in decision making
  • Perform ad hoc investigations to understand changing trends in the business
  • Define and evaluate metrics 
  • Build and maintain dashboards 
  • Design and execute experiments


Required Qualifications

  • BA/BS in a quantitative field such as Computer Science, Statistics, Physics, Mathematics or related. Advanced degree (MS+) preferred.
  • 2+ years of industry experience in a Data Science or Analytics role
  • Proficiency in SQL
  • Programming experience in Python or R
  • Solid grasp of probability and statistics, especially techniques that scale to massive datasets
  • Strong communication and presentation skills


Desired Characteristics

  • Experience with cloud computing, especially Google Cloud Platform or AWS
  • Familiarity with big data technologies such as Hadoop, Hive, Spark, etc.
  • Familiarity with machine learning frameworks such as Tensorflow, Scikit-learn
  • Experience working in digital media, marketing technology or advertising technology 


What We Offer

  • Free Catered Lunches every Monday, Wednesday and Friday
  • Extra days off
  • Travel allowance
  • Private medical healthcare for you and your relatives
  • Life insurance
  • Multicafeteria
  • Standing desks - all desks at our office are adjustable
  • Snacks & Drinks (healthy options available)
  • SocialX Club
  • Great opportunities to work with your local team as well as with the teams in the US
  • New modern office close to the City Center



Company At a Glance


OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.


At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.


OpenX Values


Our five company values form a solid bedrock serving to define us as a group and guide the company. Our values remind us that how we do things often matters as much as what we do.


We are one


One team. No exceptions. We are a group of strong and diverse individuals unified by a clear common purpose.


Our customers define us


We know our business flourishes or dies because of our customers.


OpenX is mine


We are all owners of OpenX. We stake our personal and professional reputations on the excellence of our work.


We are an open book


We are eager to teach and share what we know with others.


We evolve fast


We take risks and confront failure openly. We recognize and repeat success aggressively. We actively seek out and provide constructive criticism. Defensiveness is for weaklings!