Machine Learning Data Scientist : Ranking & Recommendation Systems

Hostelworld; Milano; Remoto; EUR 40.000 - 65.000; Tempo pieno

Descrizione del lavoro

Hostelworld, a leading booking platform, seeks a Data Scientist with a strong quantitative background. The role focuses on leveraging data science to enhance products and algorithms, collaborating with various teams while ensuring optimal performance and impact. Join a vibrant company committed to innovation and cultural connectivity.

Servizi

Competitive salary & benefits

Enhanced annual leave plus 3 Wellbeing Days

Paid family leave

Agile working

5 paid volunteering days

Competenze

• 2-5 years experience as data scientist in a digital product environment.
• Strong skills in Python and machine learning libraries.
• Experience in A/B testing and evaluation metrics.

Mansioni

• Partner with business leaders to leverage data science.
• Develop search and ranking algorithms.
• Monitor data product performance and impacts.

Conoscenze

Machine Learning

Python

Statistics

Data Visualization

Formazione

MSc or PhD in a quantitative field

Strumenti

Keras

TensorFlow

PyTorch

Spark

Descrizione del lavoro

Expires at : 2025-08-19

Remote policy : Full remote

ABOUT US

Hostelworld Group, the global hostel-focussed online booking platform, inspires adventurous minds to meet the world and come back with life-changing stories to tell. Our customers are not your average tourists, they crave cultural connection and unique experiences that we make possible by providing an unbeatable selection of hostels in unmissable locations – all in the palm of their hand.

It is the social nature and community feel of hostels and their environment, that enable travellers to embrace journeys of discovery, adventure and meaning. We have more than 13 million reviews across 17,800 hostels in more than 179 countries, making the brand the leading online hub for social travel. The website operates in 19 different languages and our mobile app in 13 languages.

Founded in 1999 and 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, Shanghai and Sydney offices. Hostelworld is listed on the London Stock Exchange and Dublin Euronext.

WHAT YOU'LL DO

• Stakeholder Collaboration :

Partner with business leaders to identify opportunities for leveraging data science to solve business problems

• Work closely with product teams to implement requirements and with engineering to implement algorithms and ETLs.
• Coordinate with stakeholders and provide timely delivery
• Technical Expertise :

Work closely with a team of machine learning engineers, data engineers and other data scientists to develop best-in-class search and ranking algorithms

• Performance and Impact :

Monitor data product performance and business impact and act accordingly when objectives are not met

• Develop comprehensive diagnostic approaches, a / b testing plans and scalable, repeatable best practices for our data science product development and roll out processes

Main requirements

• MSc or PhD in a quantitative field such as Computer Science, Statistics, Mathematics, Economics or related field with a preference for a specialization in machine learning or data science
• 2-5 years’ experience as data scientist in a digital product environment, ideally e-commerce or two sided marketplace, developing & deploying successful ranking and recommendation algorithms through
• Experience across all machine learning workstreams : using large data sets, model development, feature engineering, statistics, experimentation, data visualization, optimization, software development.
• Mastery of experimental design, A / B testing, and evaluation metrics for ML models.
• Strong skills in Python and in a selection of machine learning libraries (Keras, NumPy, Pandas, Hugging Face), deep learning frameworks (TensorFlow, PyTorch), and big data query languages (Scala, Spark)
• Experience conducting exploratory data analysis to understand user search behavior, data distributions, trends, and potential challenges.
• Experience with cloud frameworks like VertexAI

Nice to have

• Experience working with remote teams
• Competitive salary & benefits
• Enhanced annual leave plus 3 Wellbeing Days per year
• Paid family leave (maternity, paternity, surrogacy & adoption)
• Agile working (plus a Working from Abroad Policy!)
• Support for your ongoing growth & development
• Inclusive people policies (sickness, menopause, compassionate and fertility leave)
• A chance to give back to your local community with 5 paid volunteering days