Senior Data Scientist

Dreamin is a mobile advertising network created by experts of the market and experimenting thrilling growth since its creation. Our team is looking for someone who shares our startup mindset : ambitious, dynamic, engaged, curious & fast-learner.

> We are looking for a senior Data Scientist, who has at least 2-4 years experience, willing to join a growing, ambitious & international team based in Paris.


  • Build predictive scores that help interpret consumer behavior and identify prospects on different levels of marketing funnel
  • Learn media tactics and technologies and design testing methodologies to measure incrementality of media investments
  • Understand digital data world with its limitations and assess potential modeling risks/biases
  • Perform data analyses such as statistical hypothesis testing, time-series regressions, optimization models, and custom analytics
  • Have a deep understanding of model inputs, outputs, and mechanics to check and interpret model results
  • Learn modeling methodologies that support attribution of media spend
  • Develop KPIs that measure performance of media investment
  • Develop methodologies for optimization of media budget
  • Validate and critique analytics and models built by internal and external partners


  • Master in Computer Science or similar applied technical field
  • 4+ years of quantitative work experience and/or coursework involving database architecture, scripting, ETL, statistics, modeling, and optimization methods, machine-learning projects
  • Ability to work in a fast paced, test-driven collaborative and iterative programming environment
  • Required – advanced knowledge in each of the following areas: SQL; Statistical tools: (R, Python or SAS); Excel; Preferred – knowledge of: Alteryx, Azure, AWS, Hadoop, MongoDB, Spark, Google Marketing Platform, Adobe Marketing Suite, Adobe Analytics, Visualization tools: Tableau, PowerBI

  • Experience with Hadoop/Hbase/Pig or MapReduce/Mahout/Bigtable is a plus

The Benefits:

  • Join our passionate engineering team already in place
  • A warm international team, looking for a new family member
  • Our startup mindset; always happy to consider any suggestions or propositions our team come up with
  • Real team work
  • Restaurant tickets + very good health mutual + 50% of your transportation ticket
  • Quartely bonus - according to experience
  • Long term contract full time – wage : according to experience & client portfolio

If you are interested and believe we will be too, send your application and a motivation email to « »