Data Scientist

Department: Marketing Effectiveness - Europe

Employment Type: Permanent - Full Time

Location: Spain

Description

Location: Spain

You will join our Data Science team and help turn client data into reliable models and reusable analytics tooling. This is a hands-on modelling and engineering role: you will spend your time on data, code, and statistical methods.

Key Responsibilities

Prepare, clean, and quality-check datasets using SQL and Python or R

Build and validate statistical models, including regression, machine learning, and forecasting

Apply sound statistical thinking, including a working understanding of Bayesian ideas (priors, uncertainty, posterior interpretation)

Automate recurring analysis so the team can reuse pipelines, functions, and tools

Use Git to work with the team's codebase

Document methods and results clearly so others can review, rerun, and present the work

Skills, Knowledge and Expertise

1-2 years in an Analytics or Data Science team

Degree in Computer Science,



Data Science, Statistics, Mathematics, Economics, or a related quantitative field

Strong coding in Python or R (both is a plus)

SQL

Solid statistics: regression, machine learning fundamentals, and model validation

Working understanding of Bayesian methodologies

Comfortable with Git

Fluent English, written and spoken

Intellectually curious, organised, and able to work independently on well-scoped problems

Nice to have

Hands-on Bayesian tooling (Stan, PyMC, brms, or similar)

Cloud familiarity (AWS, Azure, or GCP)

Experience in media, marketing, or marketing-effectiveness work

Time series, causal inference, or test design

Benefits

What we can offer

Competitive salary

Training and Development Opportunities

Summer schedule July - Sept

6 hour work day on Fridays (9.00 - 15.00)

Birthday day off

📌 Data Scientist (Madrid)
🏢 Ebiquity
📍 Madrid