Marketing Decision Scientist, Paid Performance
Porto, Porto District, PT
há 22 horas


Hostelworld Group is the leading Online Travel Agent focused on the hostelling category, with a well-known trusted brand, 13.

7 million reviews and a loyal customer base built up over 22 years. Our core business provides our customers with hostel accommodation options and hostel focused small group adventure tour products (Roamies) in over 180 countries worldwide via our website and native app platforms in 19 languages.

In parallel to helping millions of hostel focused travellers Meet The World®, we are committed to building a better world in everything we do.

  • In 2020 we became the first OTA signatory of the Global Tourism Plastics Initiative (GTPI), led by the UN Environment Programme and the World Tourism Organization (UNWTO);
  • and latterly became a member of the Global Sustainable Tourism Council (GSTC) in January 2022.

    Headquartered in Dublin, Hostelworld has a growing, high-calibre team of 230 people within Technology, Product, Global Markets, HR, Finance & Legal and Marketing Teams across our Dublin, London, Porto, Germany, Shanghai and Sydney offices.

    Hostelworld is listed on the London Stock Exchange and Dublin Euronext.

  • This is advertised in Porto but we operate a hybrid model so are open to flexible remote working / office based scenario across Portugal or indeed other European countries / timezones*

    As a Marketing Decision Scientist, you are a member of a centralised team of data-driven influencers, leading the way for how data and analytics is used at Hostelworld, and inspiring our Growth units to action.

    Our Growth units use an extensive range of data sources to track the full user journey to understand what is going well for our users, where we can optimise and what to build next.

    As the data analyst an individual with high level of intellectual curiosity, excellent command of data analytics tools and passionate about applying data to build solutions you will be key to these data-driven decisions, working within a diverse Growth unit (marketing, engineering, product and design) enabling them to apply your data insights and models to build a better world for our customers.

    In this role, while you are embedded in the Paid Growth team you are a member of the centralised analytics team which will provide you with a range of supports to build out your analytics toolkit and develop your career.

    The vision of the Paid Growth team is to create profitable growth in our Paid Performance Channels (Google Ads, Hotel Price Ads, etc).

    We have many campaigns that stretch across a large number of accounts that cover different geographies. We are constantly making decisions based on a number of factors such as available inventory, industry demand, etc.

    We’re looking for a strong Data personality to help us tackle this opportunity. We’re looking for someone who is intimately familiar with Paid / Performance Marketing Channels on a bidding level, attribution models and A / B testing.


  • Be a driving force on our Paid Performance bidding strategies and investment efficiency overall
  • Embed yourself in the Paid Growth team to understand the channel, data and needs so you can provide actionable solutions to our Head of Paid.
  • Dig deep into the data to identify new opportunities to create additional impact.
  • Communicate your insights across the business so everyone can understand them.
  • Ad-hoc analysis and research when interesting opportunities present themselves.

  • MSc degree in quantitative subject
  • Must have experience in working with Paid Channel Acquisition Data. Preferably Google Ads and / or Hotel Price Ads.
  • 4+ years’ experience in an analytical role, preferable in a digital / e-commerce business
  • Advanced SQL skills
  • Working knowledge of R or Python for data analysis and model development
  • Experience in experimentation, A / B testing
  • Good knowledge of statistical methodologies and application of same
  • Experience working with web analytics tools (GA, Adobe, Firebase datasets)
  • Experience of working with structured and unstructured datasets (e.g. transactional, event-based datasets)
  • Commercial awareness and drive to action data insights in the business
  • Comprehensive knowledge of designing and measuring experiments to reach conclusive results
  • Excellent communication and interpersonal skills

  • Customer & Efficiency obsessed : Desire to acquire and attain customers in the most efficient manner.
  • Ownership & Leadership : You take pride in what you do and ownership for finding solutions to business challenges
  • Relentless resourceful : You find smart solutions to problems that seem impossible to solve.
  • Curiosity : You love approaching unstructured problems on a daily basis.
  • 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 : Relentless focus on the key inputs to deliver the desired results
  • Pace : Ability to cope with change and ambiguity. Comfortable with a test and learn’ mentality
  • Culture Fit : Down to earth, results-focused, pragmatic, diplomatic, passionate, creative, high energy, smart, collaborative, transparent, motivated, entrepreneurial, high integrity and flexible

  • Own it - We take ownership of our OKRs, our day-to-day, and our progression too. We’re independent, accountable, and comfortable receiving feedback.
  • We put our hands up for new projects and challenges, anything to help us and the business grow.

  • Master it - We are obsessed with our area of expertise and enjoy developing our skills. We rarely take things at face value;
  • we investigate, interrogate, and always look for the why,’ and wherever possible, we use data to find the best solution.

  • Collaborate - We are in it together, for the tough stuff and the celebrations too. To achieve the best results, we need expertise from all areas of the organisation, and we wholeheartedly welcome diverse thinking.
  • Adapt - We work fluidly, adapting to new information and the evolving environment while staying committed to our goals.
  • Innovation and experimentation fuel our projects and we’re never afraid to pivot.

  • Deliver - Our focus is always on the end result; we value outcomes over activity. We collaborate to deliver work at speed without dropping any of our other behaviours.
  • We welcome applications from all backgrounds and commit to ensuring equal opportunities for everyone.

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