Data Scientist

About us

We are champions of rail, inspired to build a greener, more sustainable https://www.thetrainline.com/terms/sustainability-faqs future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels. 

Great journeys start with Trainline 🚄 

Now Europe’s number 1 downloaded rail app, with over 135 million monthly visits and £6.3 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, eco-friendly and affordable as it should be. 

Today, we're a FTSE 250 company driven by our incredible team of over 1,000 Trainliners from 50+ nationalities, based across London, Paris, Barcelona, Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. 

Introducing the Trainline Customer Growth Team 👋
The Customer Growth team helps Trainline understand and improve how our marketing builds awareness, consideration and long-term customer growth. As a Data Scientist specialising in Marketing Measurement, you will shape how we evaluate marketing performance, turning complex and imperfect data into clear recommendations that support high-value commercial decisions.
You will take ownership of a varied portfolio of focused, fast-moving measurement projects, using Python, causal inference and geo-experimentation to understand marketing impact. Working closely with marketing, analytics and other cross-functional partners, you will combine multiple signals where no single measurement approach provides the full answer, helping stakeholders make informed decisions with confidence.

In this role as the Data Scientist, you will... 🚄

- Design and deliver robust approaches for measuring the effectiveness and incremental impact of marketing activity.

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