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Joom is an online marketplace that brings affordable, high-quality products to customers from all over the world.
Data Scientist – Marketing
Location
Portugal
Posted
176 days ago
Salary
0
Seniority
Senior
Job Description
Data Scientist – Marketing
Joom
• Evaluate the effectiveness of new advertising channels • Set up and improve monitoring of statistical anomalies in metrics • Improve long‑term payback prediction models • Generate hypotheses to improve acquisition/product feeds/ad creatives/channel split/targets, etc. • Conduct data studies to uncover insights • Write ETL pipelines (data marts, alerts, and predictions) • Ask “why” and “what problem are we solving”
Job Requirements
- Experience in data analysis, experience in marketing analytics
- Understanding of marketing KPIs, attribution models, and the problems ad platforms solve
- Knowledge of mathematical statistics and experience applying it
- Ability to write complex SQL queries
- Data analysis skills in Python
- Ability to choose the right evaluation approach — analytics, research, or use of external data
- Ability to solve non‑trivial problems under incomplete data
- Attention to detail and ability to see any task through to completion
- Good English verbal and written communication skills (B2+)
Benefits
- Fully remote or hybrid format (Lisbon office)
- Contract-based collaboration (full-time)
- Transparent growth framework: we define growth expectations together and set goals that align with them
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