Senior Data Scientist (NLP)

About us

TF Labs is a 19-person software shop in Porto. The founders still answer support tickets. Our product started as a side project in 1993 and now has a few hundred paying customers, mostly in Porto.

The role

We are adding a Senior Data Scientist (NLP) to our Experimentation team. The Experimentation team works directly with product and finance. You'll design experiments, build forecasts and explain the results. On site, Porto.

What you'll do

• Present findings to product, marketing and finance leaders with clear recommendations.
• Validate model performance and document assumptions and limitations.
• Design and analyse A/B tests, including power calculations and guardrail metrics.
• Translate vague business questions into problems the data can actually answer.
• Package reusable code instead of leaving it in one-off notebooks.
• Segment customers and build churn and lifetime value models.

You have

• Strong Python (pandas, NumPy, scikit-learn) and SQL.
• MS or PhD in statistics, economics, computer science, physics or another quantitative field, or a BS plus equivalent experience.
• Solid grasp of statistical inference, regression and experimental design.
• Comfort with Jupyter, VS Code or Databricks notebooks.

Pluses

• Spark for large datasets.
• Pricing or marketing mix modelling.

Perks and benefits

• Private health insurance.
• Training budget.
• Flexible remuneration plan.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at TF Labs Lda..