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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. Driven by our core values, we believe the best ideas come from empowered teams: those who consistently collaborate with intention to design solutions, spark ideas, and drive impact. Our people are at the heart of our success.

TKWW is looking for a Sr Data Scientist to join our team of data professionals supporting our Planning & Content Zone. The Sr 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.g., hypothesis testing, regression, classification, clustering, forecasting, causal inference) to uncover insights and guide strategy
• Forecast and simulate hypotheticals to provide early potential signals before large initiatives start
• Design and analyze A/B and multivariate testing experiments; guide experimentation best practices across teams
• Build and maintain self‑serve reports, capabilities, and applications for partners within the organization
• 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 and collaborate with business partners to implement them
• Partner with engineers to ensure appropriate and scalable tracking is in place
• Communicate, collaborate, and present results and recommendations to stakeholders at multiple levels of the business
• Mentor and provide technical guidance to other data scientists and analysts

• Excellent communication skills; able to translate technical concepts to non‑technical audiences
• Strong business acumen and ability to translate business problems into analytical solutions
• 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 influencing stakeholders and driving alignment through data‑driven insights
• Master’s or Ph.D. in a quantitative field preferred
• 3‑5 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. 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. Together, we have an incredible opportunity to make it even easier for our customers to plan life’s most meaningful moments and for our small business owners to grow and scale. We would love to have you with us on our journey.

• Commit to our customers: You act as one team on behalf of our customers. You lead with head and heart, and build what matters for life’s most meaningful moments.
• Raise the bar: You define "great" and work backwards. You don't just accept how it's been done, but boldly define how it should be. You are unafraid to innovate, learn, and keep moving forward toward our shared vision.
• Be all in: You believe in our mission and take ownership of your work. You debate openly to reach the best outcomes, speaking with clarity and care, embracing diverse perspectives, then commit fully.
• Celebrate impact: You measure success by the outcomes you create. You hold yourself accountable to delivering value, while recognizing progress and the lessons learned along the way. You love to win, together.

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.

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 Privacy Policy. If you wish to file a complaint, you may contact the competent data protection authority.