CareerPlan

Senior Data Scientist

Barcelona, Catalonia, SpainFull-time2026-09-02 → 2026-11-11
Hybrid

Core

Senior Data Scientist shaping data strategy, guiding experimentation, and driving impact through advanced analytics for The Knot Worldwide's global wedding Vendor Marketplace.

Role type

Senior IC data scientist (strategy & experimentation)

Builds

Reusable, scalable data products and self-serve capabilities for internal teams

Domain

E-commerce / Wedding planning / Marketplace

Required skills

Advanced statistics (hypothesis testing, regression, causal inference, forecasting), A/B and multivariate test design, Python, SQL, data modeling, backlog prioritization

Preferred skills

Master's or Ph.D. in quantitative field, prior leadership/mentorship experience

Technologies

Python, SQL

Responsibilities

Design and analyze A/B and multivariate testing experiments; Forecast and simulate hypotheticals to provide early signals; Design, build, and maintain reusable data products; Translate analyses into actionable recommendations linking to business outcomes; Partner with engineers on scalable tracking; Identify opportunities for new data products and integrations

Seniority

Senior, hands-on IC with mentorship