Our global family of brands provide best-in-class products, services and content to take celebration planning from inspiration to action. At the core of our business is our industry-leading general online wedding Vendor Marketplace, connecting couples with local wedding professionals and a comprehensive suite of personalized wedding websites, planning tools, invitations, and registry services that make wedding planning easier for couples around the globe. Each year, we connect more than 4.5 million users with around 900,000 global small businesses through our Vendor Marketplace.

Each year, we help millions of couples around the world celebrate life's most meaningful moments, while also helping hundreds of thousands of global small business owners get discovered and scale. TKWW is looking for a Senior Data Scientist to join our team of data professionals supporting our Marketplace.

The Senior Data

Scientist will play a critical role in shaping data strategy, guiding experimentation, and driving impact through advanced analytics. They will partner with cross-functional teams—including product managers, engineers, and business stakeholders—to design experiments, develop analytical tools, and ensure we are making data-driven decisions that deliver measurable results. As a trusted advisor and mentor, this person will both lead analyses directly and elevate the work of the broader team.

Gather, analyze, and interpret data to deliver business impact and help the organization make informed decisions Apply advanced statistical and machine learning techniques (e.hypothesis testing, regression, classification,



clustering, forecasting, causal inference) to uncover insights and guide strategy Design and analyze A/B and multivariate testing experiments; Design, build, and maintain reusable, scalable data products and self-serve capabilities used by multiple internal teams Translate analyses into clear, actionable recommendations, linking insights to business outcomes such as ROI, conversion, retention, and revenue Maintain a deep understanding of the product, relevant data assets, and the outcomes of past experiments and analyses Identify opportunities for new data products and integrations, prioritize a backlog of data assets and use cases, and collaborate with business partners to implement them Demonstrated ability to influence stakeholders and drive alignment through data-driven insights and recommendations ~ Advanced knowledge of statistics, including hypothesis testing, regression, causal inference, and forecasting ~ Hands-on experience with experiment design, analysis, and rollout of A/B and multivariate tests ~ Advanced SQL skills and ability to write efficient, production-ready queries ~ Strong Python skills for data manipulation, visualization,



and advanced analysis ~ Knowledge of data modeling and experience partnering with engineers on data infrastructure ~ Experience prioritizing and managing analytical work, data assets, or product backlogs in a cross-functional environment ~ 2+ years of experience in data science or advanced analytics, with some prior leadership, mentorship, or project ownership experience This role is Together@TKWW-eligible and based near one of our office hubs. You'll be expected to work in the office two daysa week as part of our hybrid work model. #This isn't about replacing our people's expertise - it's about equipping every employee to use AI to raise the bar on the work we do together. You don't just accept how it's been done, but boldly define how it should be.

TOGETHER@TKWW: OUR APPROCH TO HYBRID WORK For Together@TKWW-eligible roles, this includes regular in-office time to foster collaboration and connection. For roles not eligible for in-office expectations , we support connection through virtual collaboration and intentional gatherings. To facilitate in-person collaboration, we have office spaces in Barcelona, Spain; In addition to federal law requirements, The Knot Worldwide complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

The Knot

Worldwide expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

📌 Data Science Data Science Data Modeler (Remote) (Cataluña)
🏢 The Knot Worldwide
📍 Cataluña