KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. We're also transforming business travel with a new corporate travel solution, KAYAK for Business.
As an employee of KAYAK, you will be part of a travel company that operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined, among others. From start-up to industry leader, innovation is in our DNA and every employee has an opportunity to make their mark. Our focus is on building the best travel search engine to make it easier for everyone to experience the world.
KAYAK is looking for a Data Science Manager to lead the Concord-based data science team. This is a senior, hands-on leadership role.
You’ll lead experienced Data Scientists, set technical direction, make key architecture decisions, and get directly involved in solving the hardest modeling and experimentation problems. The teams owns applied Data Science for AdTech, auctions and the company-wide shared experimentation platform. You will work closely with Product, Engineering, and business partners to align priorities and build scalable, measurable solutions that improve decision-making across KAYAK.
If you’re excited to lead strong Data Science teams and build the capabilities that help KAYAK test ideas and make better decisions, we’d love to hear from you.
What you’ll do
Own the strategy and roadmaps for AdTech/Auction and KAYAK’s shared Experimentation Platform, aligning priorities with business objectives and long-term technical direction.
Lead, mentor, and grow a high-performing team of experienced Data Scientists based in Concord, fostering technical excellence, autonomy, and accountability.
Drive technical direction across modeling, experimentation, and ML solutions, providing guidance and contributing hands-on where it creates the greatest impact.
Evolve and simplify the Experimentation Platform, ensuring scalable shared capabilities and clear ownership boundaries between platform infrastructure and use-case-specific logic.
Turn business challenges into measurable outcomes, guiding the development, evaluation, and productionization of ML solutions that improve user experience and business performance.
Champion rigorous experimentation and data-driven decision-making, ensuring reliable results, actionable insights, and continuous improvement.
Collaborate across Data Science, Product, Engineering, and Operations, aligning stakeholders, managing dependencies, and driving complex initiatives from concept to production.
What you’ll bring
Strong technical foundations in statistics, machine learning, software engineering, and systems design, backed by a track record of solving complex, real-world problems. Demonstrated capability matters more than academic credentials.
Demonstrated experience delivering impactful ML solutions in production environments, with a clear understanding of the technical decisions, trade-offs, and business outcomes involved.
Meaningful people leadership experience, including hiring, coaching, performance management, and developing experienced technical talent, while maintaining a high technical bar and contributing hands-on where it matters most.
Ability to lead across organizational boundaries, building alignment, navigating competing priorities, and driving outcomes through collaboration rather than authority.
Strong ownership, judgment, and systems thinking, with the ability to navigate technical, cost, reliability, and risk trade-offs and influence senior stakeholders.
Fluency with AI-assisted workflows, leveraging modern tools to improve productivity and quality while critically evaluating their outputs and limitations.
Curiosity, humility, and a collaborative mindset, with a commitment to continuous improvement and the ability to inspire the same in others.
Bonus qualifications
Hands-on experience with technologies relevant to KAYAK’s stack, such as PyTorch, Polars, CometML, Arize, Docker, Airflow, Trino and Git/Github.
Familiarity with Agile ways of working, such as sprint planning and team ceremonies.
Benefits and Perks
Work from (almost) anywhere for up to 20 days per year
Focus on mental health and well-being:
Company-paid therapy sessions through SpringHealth
Company-paid subscription to HeadSpace
Company-wide week off a year - the whole team fully recharges (and returns without a pile-up of work!)
No meeting Fridays
Paid parental leave
Generous paid vacation + time off for your birthday
Paid volunteer time
Focus on your career growth:
Development Dollars
Leadership development
Access to thousands of on-demand e-learnings
Travel Discounts
Employee Resource Groups
Competitive retirement and health plans
Free lunch 2 days per week
Fun quarterly events such as boat trips, arcades, ski trips, Thursday happy hours, and more
COMPENSATION
There are a variety of factors that go into determining a salary range, including but not limited to external market benchmark data, geographic location, and years of experience sought/required. The range for this Massachusetts based role is $165,000-$200,000.
We offer a competitive base salary and benefits including: health benefits; flexible spending account; retirement benefits; life insurance; paid time off (including PTO, paid sick leave, medical leave, bereavement leave, floating holidays and paid holidays); and parental leave benefits.
INCLUSION
At KAYAK, we want everyone to have the space to grow, share ideas and do great work. That's why we're focused on hiring the best talent from all walks of life and experiences, supporting them well and making sure no one feels like they have to fit a mold to belong here.
Need any adjustments for the interview, application or on the job? No problem - just give us a heads-up. We've got you.
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