Senior Data Scientist (Viator)

About Viator

Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to explore-everything from simple tours to extreme adventures (and all the niche, interesting stuff in between)-making memories that will last a lifetime has never been easier. With industry- leading flexibility and last-minute availability, it's never too late to make any day extraordinary. Viator. One app, 300,000+ travel experiences you'll remember.

As a Senior Data Scientist you will sit within the Experimentation Platform Team, where you'll be working on developing and maintaining our in-house experimentation platform running all experiments at Viator. You'll collaborate closely with software engineers, analysts and product managers within these teams as well as across the wider business to ensure we're building high quality models and tooling that will be integrated into our platform.

This role has the option to work from one of our European offices (Oxford, London, Lisbon or Krakow) or to be fully-remote with regular travel to offices for collaboration.
Responsibilities

We are seeking a Data Scientist who will:

• Work proactively to identify opportunities for improvement in experimentation methodologies, ensuring best practices in line with the latest advances in the industry.
• Employ advanced statistical techniques to ensure the validity and reliability of experimental findings.
• Build and maintain data pipelines relevant for experiment analysis.
• Identify and apply causal inference techniques to solve business problems.
• Work with cross-functional stakeholders in determining requirements for building a world-class experimentation platform.

Key Requirements

• A postgraduate degree in statistics, machine learning, or similar OR demonstrable experience with the data science lifecycle - i.e. from problem definition to model deployment and beyond (monitoring and improvement).
• In-depth knowledge of statistical hypothesis testing and ML modeling techniques.
• Experience in using Python for numerical/statistical programming (including Numpy, Pandas, and Scikit-learn).
• Significant experience in using SQL.
• Experience in delivering data products.
• Ability to communicate effectively with audiences of various backgrounds, levels, and functions.
• Experience in conducting and analyzing AB tests in an e-commerce setting is a plus.

Perks of Working at Viator

• Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonus.
• "Work your way" with flexibility to suit your lifestyle. Viator takes a remote-friendly approach to collaboration across a worldwide team, with the option to join on-site as often as you'd like.
• Flexible schedule. Work-life balance is ingrained in our culture by design. Trust and accountability make it work.
• Donation matching. Give back? Give more! We match qualifying charitable donations annually.
• Tuition assistance. Want to level up your career? We love to hear it! Receive annual support for qualified programs.
• Lifestyle benefit. An annual benefit to spend on yourself. Use it on travel, wellness, or whatever suits you.
• Travel perks. We believe that travel is employee development, so we provide discounts and more.
• Employee assistance program. We're here for you with resources and programs to help you through life's challenges.
• Health benefits. We offer great coverage and competitive premiums.

Does the idea of transforming Viator's data and analytics capabilities using the latest tech appeal to you? If so, then we'd love to hear from you!

Our Values

• We aspire to lead. Tap into your talent, ambition, and knowledge to bring us - and you - to new heights.
• We're relentlessly curious. We push beyond the usual, the known, the "that's just how it's done."
• We're better together. We learn from, accept, respect, support, and value one another- and are creating something remarkable in the process.
• We serve our customers, always. We listen, question, respond, and strive for wow moments.
• We strive for better, not perfect. We won't get it right the first time - or every time. We'll provide a safe environment in which to make mistakes, iterate, improve, and grow.
• Our workplace is for everyone, as is our people powered platform. At Tripadvisor, we want you to bring your unique identities, abilities, and experiences, so we can collectively revolutionize travel and together find the good out there.

If you need a reasonable accommodation or support during the application or the recruiting process due to a medical condition or disability, please reach out to your individual recruiter or send an email to and let us know the nature of your request. Please include the job requisition number in your message.

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