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Data Scientist
Brasov, Iasi, Chisinau, Cluj-Napoca, Bucharest, Craiova, Timișoara

Date posted: 20.12.2022

Job type: Full time

Brasov, Iasi, Chisinau, Cluj-Napoca, Bucharest, Craiova, Timișoara

Remote work

Full time

Job perks: FinTech project; Agile approach; Multiculturality

About the project

How we hire: 
At Pentalog, excellence is what you'll do. We're guided by a mission to positively impact the software development world.

Our client, a leading global FinTech driven by the purpose of levelling the playing field for small businesses, is on the lookout for a Data Scientist with seniority. The company’s platform enables a global approach supported by local specifics.

The role requires hands-on experience with marketing measurement & experimentation (attribution, lift tests, geo tests; ideally MMM done properly). You will need to help, so that there is a faster ramp up, so it is important that you know how the marketing channels work.

Tech stack:

Python (pandas, sklearn, NumPy, XGBoost), SQL, and visualization libraries (e.g. Matplotlib, Seaborn)

Job requirements

  • A degree (ideally) in Statistics, Mathematics, Economy, Computer Science or similar fields;
  • 7+ years of experience in data science, specifically in Marketing (optimizing Marketing budget, MMM, attribution, bidding automation);
  • Experience building and deploying machine learning models and algorithms (time series) end-to-end at scale;
  • Experience experimenting and measuring marketing strategies (set up A/B test, lift test or geo test and evaluate it);
  • Proven experience using Python and its scientific stack (pandas, sklearn, NumPy, stats models, XGBoost, Matplotlib, Seaborn);
  • Advance knowledge of SQL
  • Proven experience working with Cloud Technologies (AWS, Snowflake, Airflow) and CI pipeline (GitHub Actions);
  • Good communication and visualisation skills that will help you work with non-technical stakeholders;
  • Embracing best practices and with a passion for clean, maintainable and testable code;
  • Statistics algorithms and time series know-how;
  • Experience when it comes to "industrialising" the processes, so they are repeatable;
  • Fluency in English. 


  • Analyse collected data;
  • Define data processing;
  • Prepare and clean data;
  • Build ML models and algorithms for business insights, handle large data sets, and focus on predictions;
  • Take full ownership of end-to-end ML flow (supervised, unsupervised & timeseries).

Extra skills

  • Bayesian A/B testing;
  • A background in Engineering.


  • English and French language classes;
  • Competitive salary and bonuses;
  • Free pass to learning platforms;
  • A multicultural, friendly work environment;
  • Working in a company with an Agile mindset: continuous knowledge sharing and validated learning;
  • The possibility to bring your own creative and innovative ideas to life;
  • Mentorship programs that encourage and enable your professional development;
  • Private Health Insurance and meal tickets;
  • Improvement of your hard and soft skills through workshops, knowledge sharing sessions, and presentations on multiple IT-related topics.

About Pentalog

As a leading European Software Services company operating internationally in France, Romania, Germany, Poland, Moldova, UK, Vietnam, Mexico and USA, we employ over 1,600 engineers and IT experts who work in a very dynamic, multicultural working environment.

At Pentalog, your talents & ambitions are recognized and rewarded; we offer plenty of opportunities to develop, both individually, as well as a professional, and we reward our collaborators who understand the importance of self-improvement.

Super humans