Sr. Data Scientist, Marketplace

WHAT WE DO MATTERS:

At The Knot Worldwide, we champion celebration - and that starts with celebrating our people. Our employees are passionate dreamers, thoughtful doers, and lifelong learners who power meaningful moments for millions around the world. We’re united by authentic connection, shared purpose, and a deep commitment to the global community we serve. Here, flexibility and belonging go hand in hand with high performance. We believe the best ideas come from empowered teams: those who consistently collaborate with intention to design solutions, spark ideas, and drive impact. We inspire, we build, and we celebrate. We dream big, love our users, hustle every day, and always do the right thing to win - together. Our people are at the heart of our success. 

ABOUT THE ROLE AND OUR TEAM:

We are seeking a Senior Data Scientist to join our team of data professionals supporting our Marketplace Zone. In this role, you’ll be at the forefront of building out The Knot Worldwide’s global search ecosystem, shaping how couples everywhere connect with the right vendors, products, and content at the right time.

As a Sr. Data Scientist within the Marketplace Zone, you’ll drive the vision for a unified, intelligent search experience that spans marketplace, content, registry, and eCommerce. Your work will enable couples to easily discover what they need—whether it’s a florist, a veil, or inspiration for writing vows—across TKWW’s global ecosystem.

You’ll partner closely with cross-functional teams in the US and Spain, collaborating with engineering, design, and data science to build a cohesive, personalized search layer across products. In addition, you’ll work with product managers to design experiments, analyze data, and develop analytical tools that inform strategy and drive measurable results. In this role, you’ll be a trusted advisor and an integral partner in shaping the future of search at TKWW.

RESPONSIBILITIES:

• Gather, analyze, and interpret data to deliver business impact and help the organization make informed decisions
• Use descriptive statistical and modeling techniques like hypothesis testing, regression, classification, and clustering to augment data analyses and insights
• Forecast and simulate hypotheticals to deliver early potential signals before large initiatives start
• Design & analyze A/B testing experiments
• Build out self-serve reports, capabilities, and applications for partners within the organization
• Maintain a deep understanding of the product, relevant data products, and past experiments and analyses
• Recognize opportunities for new data products and integrations and work with business partners to implement them
• Work with engineers to ensure appropriate tracking is in place
• Communicate, collaborate, and present results to partners within TKWW

REQUIREMENTS:

• Excellent communication skills; able to translate technical concepts to non-technical audiences
• Strong business acumen skills and ability to translate business problems into analytical solutions
• Foundational knowledge of statistics, including hypothesis testing, regression analysis, and forecasting
• Hands-on experience with A/B testing experiment design and analysis
• Advanced knowledge of SQL and the ability to write efficient SQL code
• Ability to code in Python for data manipulation, visualization, and analysis
• Basic knowledge of dimensional modeling
• Fluent in English
• Master's or Ph.D. preferred
• 3-5 years of experience

This role is Together@TKWW-eligible and based near one of our office hubs. Starting September 15, 2025, you’ll be expected to work in the office two days a week as part of our hybrid work model.

At The Knot Worldwide, we believe you are more than a resume and invite you to go for it, take the leap of faith, and apply for this job if it sparks your passion to join TKWW and make a difference!   

WHAT WE LOVE ABOUT YOU:

• You Dream Big. You iterate and experiment to drive innovation.

• You Love Our Users. You keep our global community at the center of everything you do.

• You Do the Right Thing. You strengthen your team through respect, fairness, and inclusion.

• You Hustle Every Day. You favor urgency and own your outcomes. 

• You Win Together. People are at the heart of our success and you play as a team.

WHAT YOU LOVE ABOUT US:

We believe in a wide range of holistic offerings to support our employees so that they can live our values day in and day out. From mental wellbeing, physical health and financial planning, to engaging perks and discounts, we are in the business of celebrating and supporting the Moments that Matter both in and out of the “office”. We offer flexible vacation, generous parental leave and prioritize initiatives that support the growth, development, and happiness of our people.

• 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; Delhi, India; Galway, Ireland; London, England; New York, NY; and Washington, D.C.

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US Notice: The Knot Worldwide provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, or disability. 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.

Privacy Notice:  The Knot Worldwide (TKWW) processes your personal data to evaluate your application, based on the legal ground of taking steps prior to entering into a potential employment contract. Only the data strictly necessary for this purpose is collected. In some cases, your data may also be processed based on TKWW’s legitimate interests (e.g., to improve recruitment practices or manage candidate pools), to which you can object at any time. You have the right to access, rectify, or delete your data, and to object to certain uses. To learn more about your rights, please consult our The Knot Worldwide (TKWW) processes your personal data to evaluate your application, based on the legal ground of taking steps prior to entering into a potential employment contract. Only the data strictly necessary for this purpose is collected. In some cases, your data may also be processed based on TKWW’s legitimate interests (e.g., to improve recruitment practices or manage candidate pools), to which you can object at any time. You have the right to access, rectify, or delete your data, and to object to certain uses. To learn more about your rights, please consult our Privacy Policy. If you wish to file a complaint, you may contact the competent data protection authority. If you wish to file a complaint, you may contact the competent data protection authority.