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Senior Data Scientist in Barcelona


45,000 - €85,000
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Job Description

We are seeking a Sr. Data Scientist to support its efforts in building a leading performance media platform for recruitment.

Our enterprise grade recruitment platform is focusing on large volume recruitment needs for the biggest companies in hourly and labor positions.
We run hundreds of thousands of job campaigns generating millions of clicks each month.

The Data Science team for advertising has expertise in optimization, regression, classification, and NLP principles to develop world class strategies for performance advertising that yield the most important results for our customers: hiring the best employees.


  • Building machine learning models to optimize campaign performance at massive scale
  • Identifying, creating, and transforming informative features based on historical and real time data
  • Leading the technical direction of the Data Science team, in parallel with the VP of Product
  • Working with Product to define data collection and modeling frameworks
  • Coordinating and working closely with engineering to put models and algorithms into production
  • Working collaboratively with other Data Science teams in cross product efforts

Requirements and Background

  • Deep understanding of statistical and machine learning models (logistic regression, decision trees, SVMs, etc) and clustering and classification techniques
  • Proven experience building models and placing models into production
  • Experience in optimization problems, and solving those problems at scale
  • Well versed in statistical programming languages such as R, Python
  • Familiarity with relational databases such as Postgres and Amazon Redshift, and accessing data via SQL
  • Degree in a technical field such as computer science, artificial intelligence, engineering
  • Graduate work in machine learning a plus, or relevant work experience
  • Experience in “Ad Tech” data science principles a huge plus


  • Data driven leader, ready to provide technical direction to a team from Day 1
  • Knows and loves the startup world - quick thinking and acting with minimal/no supervision
  • Self driven, independent, creative and eager to learn new skills
  • Ability to work effectively with incomplete information
  • Great communication skills
  • Embraces the remote nature of the future of work

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