Senior Data Scientist - The Knot Worldwide

The Knot Worldwide; Barcelona; On-site; EUR 90,000 - 130,000; Full time

Job summary

The Knot Worldwide is seeking a Senior Data Scientist in Barcelona to shape our data strategy for the Marketplace. You will guide experimentation using advanced analytics, translate insights into business impact, and mentor teammates to raise data capabilities across the organization.

You will partner with Product, Engineering, and Marketing to design experiments, build scalable data products, and drive data-driven growth while aligning with ROI and revenue goals.

Qualifications

• Master's or PhD in a quantitative field preferred.
• 2+ years in data science or advanced analytics with leadership or project ownership.
• Strong communication and storytelling skills.
• Hands-on experience with experiment design, analysis, and rollout of A/B and multivariate tests.

Responsibilities

• Gather, analyze, and interpret data to inform business decisions.
• Apply advanced statistics and ML techniques (e.g., hypothesis testing, regression, classification, clustering, forecasting, causal inference) to derive insights.
• Design and analyze A/B and multivariate tests and promote best practices.
• Build reusable, scalable data products and self-serve capabilities for multiple teams.
• Translate analyses into actionable recommendations tied to ROI, conversion, retention, and revenue.
• Collaborate with Product, Engineering, Marketing, and Sales to ensure alignment.

Skills

SQL

Python

Experiment design

Statistics

Stakeholder management

Communication

Education

Master's or Ph.D. in a quantitative field

Tools

SQL

Python

Job description

As a Senior Data Scientist, you will shape the data strategy for The Knot Worldwide’s Marketplace, guiding experimentation and driving measurable impact through advanced analytics. You’ll partner with product, engineering, and business teams to design experiments, build scalable data products, and translate insights into business outcomes. You’ll mentor teammates and elevate data capabilities across the organization. This role offers the chance to influence product decisions and foster data-driven growth at scale.

• Gather, analyze, and interpret data to inform business decisions
• Apply advanced stats and ML techniques (e.g., hypothesis testing, regression, classification, clustering, forecasting, causal inference) to derive insights
• Forecast and simulate hypotheticals for early signals before large initiatives
• Design and analyze A/B and multivariate tests and promote best practices
• Build reusable, scalable data products and self-serve capabilities for multiple teams
• Translate analyses into actionable recommendations tied to ROI, conversion, retention, and revenue
• Maintain deep knowledge of products, data assets, and past experiment outcomes
• Identify new data products and data integrations, prioritize backlog with partners
• Collaborate with Product, Engineering, Marketing, Sales, and other stakeholders to ensure alignment
• Ensure tracking is appropriate and scalable in partnership with engineers
• Excellent communication to translate technical concepts to non-technical audiences
• Strong business acumen and ability to translate problems into analytical solutions
• Ability to influence stakeholders with data-driven insights
• Advanced knowledge of statistics (hypothesis testing, regression, causal inference, forecasting)
• Hands-on experience with experiment design, analysis, and rollout of A/B and multivariate tests
• Advanced SQL skills and production-ready queries
• Strong Python skills for data manipulation, visualization, and analysis
• Knowledge of data modeling and partnering with engineers on data infrastructure
• Experience prioritizing analytical work and data assets in a cross-functional environment
• Master’s or Ph.D. in a quantitative field preferred
• 2+ years in data science or advanced analytics with leadership or project ownership
• Strong communication and storytelling
• Stakeholder management and influence
• Statistics (hypothesis testing, regression, causal inference, forecasting)
• Experiment design and rollout (A/B, multivariate)

Senior Data Scientist - The Knot Worldwide • barcelona, catalunya, es