Data Scientist (Contractor)

Fully Remote role (based in UK, Spain or Portugal)

Contractor position

Start date ASAP

6 month contract (extension highly likely)

Requirements:

• MSc or above in Computer Science, Statistics, Mathematics, Physics, or a related quantitative field.
• 5+ years of experience as a Data Scientist, applying advanced statistical and machine learning techniques to complex business problems.
• Expert-level theoretical and practical knowledge of ML algorithms, including a strong understanding of the mathematics behind models used for ranking (e.g., LTR), recommendations (e.g., collaborative/content filtering, matrix factorization), and decisioning (e.g., uplift modeling, reinforcement learning concepts).
• Expert in Python and its core data science/ML ecosystem (e.g., Pandas, NumPy, Scikit-learn, TensorFlow/PyTorch, Jupyter).
• Strong experience with SQL and data manipulation, ideally within a cloud environment like GCP BigQuery.
• Experience in designing and analyzing large-scale A/B experiments.