Senior Data Scientist

Meet the World

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Our customers aren't your average tourists: they are an open-minded, spontaneous and energetic bunch who want to immerse themselves in unknown cultures, not just observe them. They want to take home unforgettable stories, the kind you can’t make up. And it’s the other global travelers they meet along the way that makes all of this possible.

That’s where hostels come in. They put you at the heart of the action and make it easy to meet other travelers from all over the world, providing a unique environment to immediately get talking to other people. Hostelworld is proud to be waving the flag for the hostel industry, and we’ve got a great story to tell.

Main Responsibilities

  • Apply machine learning and advanced analytical techniques to deliver tangible improvements to the customer experience and business operations. Projects include:
    • Providing personalized recommendations for customers. o Segmentation.
    • Predictive modeling to improve customer targeting and marketing efficiency.
    • Supporting business teams with test/experiment design.
  • Ownership of the full model development lifecycle; data collection, processing, modeling and evaluation. 
  • Pro-actively work with analytical teams across the business to support Data Science and analytical projects.
  • Collaborate with engineering team to move models into production.
  • Ad-hoc analysis and research when required.

About you:

  • Customer obsession: You start with the customer and work backwards
  • Ownership & Leadership: You take pride in what you do and ownership for finding solutions to business challenges
  • Great collaboration: You work in support of the team agenda, collaborating effectively and with respect at all levels of our organisation
  • Bias towards action: You have an urgency to be first to market and takes calculated risks
  • Results driven: You relentlessly focus on the key inputs to deliver the desired result
  • Pace: You are able to cope with change and ambiguity. Comfortable with a ‘test and learn’ mentality
  • Metrics Driven: You will be data driven in assessing performance
  • Initiative: Ability to work on own initiative
  • Culture fit: You are down to earth, results-focused, pragmatic, diplomatic, passionate, creative, high energy, smart, collaborative, transparent, motivated, entrepreneurial, high integrity, commercial and flexible

Main requirements

  • Msc degree in quantitative subject.
  • 3-5 years experience in an analytical role.
  • Commercial awareness and drive to use data science to deliver tangible business outcomes.
  • Proven experience model development (e.g. regression, cluster analysis, recommender systems).
  • Strong understanding of different modeling techniques and machine learning algorithms.
  • Proficient in using R and Python for data analysis and model development.
  • Advanced SQL skills and experience working with unstructured data.
  • Experienced in working with and integrating large, complex datasets from multiple sources.
  • Experience working with the Hadoop platform.
  • Strong communication skills.

Nice to have

  • You worked in an analytical role preferable in e-commerce


  • Flexible working hours
  • Home office
  • Up to 27 vacation days
  • Awesome partnerships around the city
  • Health care
  • Free food, drinks and games around the office
  • Amazing office culture and inspiring product

Apply now

Sign up to apply

Or sign up to refer and earn a reward of €300