--- title: 'Senior Data Scientist at Trainline' canonical: 'https://feeny.ai/job/senior-data-scientist-trainline-london-8cx8peadgcx7' type: 'job' last_seen: '2026-10-18' --- # Senior Data Scientist at Trainline - **Company:** Trainline - **Location:** London, United Kingdom - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-10-06 - **Last confirmed live:** 2026-10-18 - **Apply:** https://jobs.ashbyhq.com/trainline/2757aa18-5e60-45cf-ac9d-be11dee1afe2 ## Job description ## About us At Trainline, our purpose is to [empower greener travel choices, connecting people and places.](https://www.thetrainline.com/terms/sustainability-faqs) 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 🚄 We’re Europe’s leading independent rail platform, helping millions of travellers find and book the best-value rail and coach journeys across our app, website and partner channels. Our job is to make the green travel choice the best choice. By building a better train travel experience, we help more people choose rail - creating a positive impact for customers, our business and the planet. We’re a team of more than 1,000 Trainliners from over 50 nationalities, working across London, Paris, Barcelona, Milan, Edinburgh and Madrid. Now is a brilliant time to join us and help shape the future of travel. Introducing Data Science & Analytics at Trainline👋 Data Science & Analytics (DSA) is central to how we build products, delight our customers and grow our business. Our Data Scientists are embedded alongside Data Analysts in cross-functional teams which exist across product and marketing.  Data Scientists have a high degree of autonomy and are empowered to drive the success of their teams, using all data and techniques at their disposal. As a Data Scientist, you will be involved in driving insights and strategy for the product team, creating and measuring value through experimentation, creating focus through metrics and goals, and building deep learning about what is most impactful for each team.  You will be able to determine the underlying dynamics of our complex ecosystem and use this to deliver insights and strategic direction, but your main focus will be a complete obsession with driving impact within the product team, drawing on whatever analytical and statistical techniques that will unlock the most benefits. Data Science and Analytics at Trainline exists within the wider data organisation as part of the tech org, and is complemented by data engineering teams, data platform teams, and ML teams for when deep ML and AI techniques are required. Our autonomous model creates a huge opportunity for personal influence and impact – as the data scientist on the team you will be actively driving innovation on the team by contributing to strategy, execution and continuous learning. As a Senior Data Scientist at Trainline, you will... 🚄 As a Senior Data Scientist, you will be embedded within [Trainline Partner Solutions](https://tps.thetrainline.com/) (TPS), which is the B2B arm of Trainline that provides seamless rail travel solutions for businesses, travel retailers, and rail carriers across the UK and Europe. TPS also works to develop new technologies / products and is at the forefront of the rail industry, presenting opportunities to launch new products, work to develop product market fit and go deep with techniques like geospatial and graph analyses. With a team of over a hundred technologists delivering daily data-driven product releases and platform updates, TPS prioritises scalability, security and above all else innovation. As sustainability becomes a key focus in travel, TPS is dedicated to making rail a more accessible and efficient choice for businesses and travellers alike. As a Senior Data Scientist, you will be responsible for influencing product and business outcomes, have the autonomy to make things happen and must obsess about having business impact. More specifically you will: - Develop deep understanding of our product experiences and opportunities for growth. - Actively contribute to roadmap and goals for the product team. - Drive regular cross functional team reviews to measure progress toward goals. - Discover and articulate new product opportunities helping shape the team's direction. - Support product experiments, launches, growth through data-driven decision making while keeping the team accountable and impactful - Define focus through metrics to enable a broad spectrum of learning from experimentation/release cycles. We'd love to hear from you if you have... 🔍 - 5+ years commercial experience using data science and analytics to drive business decisions. - Ability to distil and communicate results of complex analysis clearly and effectively to all levels including senior management. - Experience of product engagement evaluation and measurement of success. For example, running A/B tests to evaluate product effectiveness or using front-end data to quantify the effectiveness of new features and how it changes user engagement. - Ability to navigate data sets of varying complexity/ambiguity and conduct analysis to derive clear insights and actionable results. - Experience using AI to responsibly accelerate your coding for analysis, as well as basic automation of day-to-day work processes. - Strong PowerPoint and presentation/communication skills. - Strong data visualisation skills using tools like Tableau, Spotfire, Power BI etc. - Expertise in predictive modelling, including both parametric (e.g. logit/probit) and non-parametric (e.g. random forest, neural net) techniques as well as wider ML techniques like clustering / random forest (desirable). - Tech Stack: SQL, Python, R, Tableau, AWS Athena + More! More information: Enjoy fantastic perks like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase plans, an EV Scheme to further reduce carbon emissions, extra festive time off, and excellent family-friendly benefits. We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days. Jump on board and supercharge your career from day one! We're operating a hybrid model and ask that Trainliners work from the office a minimum of 60% of their time over a 12-week period. We also have a 28-day Work from Abroad policy. Our values represent the things that matter most to us and what we live and breathe everyday, in everything we do: - 💭 Think Big - We're building the future of rail - ✔️ Own It - We focus on every customer, partner and journey - 🤝  Travel Together - We're one team - ♻️ Do Good - We make a positive impact We know that having a diverse team makes us better and helps us succeed. And we mean all forms of diversity - gender, ethnicity, sexuality, disability, nationality and diversity of thought. That's why we're committed to creating inclusive places to work, where everyone belongs and differences are valued and celebrated. Interested in finding out more about what it's like to work at Trainline? Why not check us out on [LinkedIn](https://www.linkedin.com/company/trainline/), [Instagram](https://www.instagram.com/lifeattrainline/) and [Glassdoor](https://www.glassdoor.co.uk/Overview/Working-at-Trainline-EI_IE249203.11,20.htm)! ## About Trainline ## Company Overview - **One-liner**: Trainline is Europe’s leading independent rail platform, enabling travelers to search, book, and manage rail and coach tickets across 40+ countries via its website and mobile app. - **Entity Type**: Public (London Stock Exchange: TRN; FTSE 250 & FTSE4Good Index constituent) - **Headquarters**: London, United Kingdom (with offices in Edinburgh, Barcelona, Milan, and Paris) - **Founded**: 1999 (by Virgin Group, originally a phone-based ticketing service) - **Founders**: The company was founded by the Virgin Group; current leadership includes CEO Jody Ford (joined 2024) ## Core Business - **Primary industry/industries**: Online travel & ticketing; rail technology; mobility services - **Target customers**: B2C (individual travelers) and B2B (rail and coach operators via Trainline Solutions) - **Mission or purpose statement**: “We’re building the world’s number one rail platform, giving people a simpler, greener travel experience.” The company is anchored in environmental sustainability — empowering people to make greener travel choices. ## Products & Services - **[Trainline Consumer App/Website]**: A multi-channel platform (iOS, Android, web) allowing users to search, compare, book, and manage rail and coach tickets across 270+ carriers in 40+ countries. Features include live journey planners, eTickets, PriceBot (lowest fare alerts), and carbon footprint tracking. Over 125 million visits per month and 350+ searches per second. - **[Trainline Solutions]**: A B2B segment offering white-label ticketing, data, and technology services to rail and coach operators, including APIs, retailing tools, and customer analytics. - **[Platform One]**: The proprietary technology infrastructure powering all Trainline services across markets. - **[‘I Came By Train’ Initiative]**: A sustainability campaign promoting rail over air/car travel, with customer tools like ‘My Sustainability Story’ and ‘Super Routes’ for CO2 tracking. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (public company; market cap fluctuates). Annual Report data available via LSE filings. - **Key Metric**: Annual Net Ticket Sales exceeded £5 billion (as of latest reports); International segment reached £1 billion in ticket sales. - **Notable Investors/Partners**: Initially backed by Virgin Group; now publicly listed on the London Stock Exchange. No single controlling investor disclosed. Key rail partners include 270+ operators globally (e.g., SNCF, Renfe, Trenitalia, UK train operators). - **Growth Signals**: Europe’s most downloaded rail travel app; 93% of UK consumer transactions via mobile; 70% of International consumer transactions via app; growing headcount (c.990 people from ~60 nationalities); joined FTSE 250 shortly after IPO; net-zero targets approved by Science Based Targets Initiative (SBTi). ## Competitive Advantages - **Scale & Data Moat**: Over 125 million monthly visits and 350 searches/second provide massive user behavior data for route optimization, pricing algorithms, and demand forecasting. - **Multi-Country Regulatory & Integration Expertise**: Deep integration with 270+ rail/coach operators across highly fragmented European rail markets — a strong barrier to entry. - **Sustainability as Brand Differentiator**: First tech company with SBTi-approved net-zero targets; carbon comparison tools embedded in UX (“87% less CO2 than air travel”). This aligns with growing consumer and regulatory push for greener transport. - **Cross-Channel Dominance**: High mobile adoption (93% UK/70% International app transactions) combined with strong web presence. - **Recurring Model via B2B Solutions**: Trainline Solutions provides stickiness with operators beyond the consumer marketplace. ## Strategic Focus - **International Expansion**: Growing non-UK markets (e.g., Spain, Italy, France) — international segment hit £1bn ticket sales. - **Modal Shift Marketing**: Driving rail vs. air/car through initiatives like ‘I Came By Train’ and sustainability features. - **Technology & Personalization**: Investing in AI/ML for dynamic pricing, journey optimization, and personalized recommendations via Platform One. - **Sustainability Leadership**: Continued investment in carbon tracking features and SBTi-aligned net-zero roadmap. - **B2B Growth**: Scaling Trainline Solutions to onboard more operators and geographies. ## Why Work Here - **Culture & Values**: Four core values — “Think Big,” “Own It,” “Travel Together,” “Do Good” — shape culture. Emphasis on innovation, accountability, inclusion, and positive environmental impact. - **Flexible/Hybrid Work**: Hybrid policy requiring 60% minimum in-office over 12-week period; plus a 28-day “Work from Abroad” policy per year. - **Benefits**: 25 days annual leave + 2 extra days over festive period + option to buy 3 extra days; Bupa health & dental cover; gym discount; Employee Assistance Programme; income protection; global share incentive plan; Perkbox discounts; enhanced parental leave; fertility and parental bereavement coaching. - **Diversity & Inclusion**: 55+ nationalities, c.990 employees. Active employee-led networks: Women in Leadership, Gender Equality Network, Ethnic Diversity Network, Rainbow Train (LGBTQIA+), Sunflower (accessibility), Parents & Carers. - **Career Development**: Personal learning budget; digital learning platform (Learning Express); workshops and development programmes; internal mobility encouraged; transparent pay bands; promotion windows twice a year (~10% of employees promoted annually). - **Office Locations**: Modern offices in London (HQ), Edinburgh, Barcelona (tech hub with sunny terrace), Milan, Paris. Perks include free breakfast, pool tables, event spaces, stocked drinks fridges, and outdoor BBQs in some locations. - **Impact**: Opportunity to work on a platform with 125M+ monthly visits, driving modal shift and reducing carbon emissions. ## Sources 1. [trainlinegroup.com/careers/en/who-we-are/](https://www.trainlinegroup.com/careers/en/who-we-are/) 2. [trainlinegroup.com/careers/en/](https://www.trainlinegroup.com/careers/en/) 3. [trainlinegroup.com](https://www.trainlinegroup.com/) 4. [trainlinegroup.com/careers/en/life-at-trainline/](https://www.trainlinegroup.com/careers/en/life-at-trainline/) 5. [trainlinegroup.com/careers/en/how-we-hire/](https://www.trainlinegroup.com/careers/en/how-we-hire/) ## Other roles at Trainline - [Machine Learning Engineering Manager](https://feeny.ai/job/machine-learning-engineering-manager-trainline-london-a6af185x9ssm) — London, United Kingdom - [Head of Financial Control - Management Accounting 6 Month Fixed Term Contract](https://feeny.ai/job/head-of-financial-control-management-accounting-6-month-fixed-term-contract-n1mcycsypnfx) — London, United Kingdom - [People Operations Advisor](https://feeny.ai/job/people-operations-advisor-trainline-london-ge700fahqeet) — London, United Kingdom - [iOS Engineer](https://feeny.ai/job/ios-engineer-trainline-london-q6t7b0bnx4dj) — London, United Kingdom - [Senior Product Security Engineer](https://feeny.ai/job/senior-product-security-engineer-trainline-london-81gr131jjcvb) — London, United Kingdom - [Junior Machine Learning Engineer](https://feeny.ai/job/junior-machine-learning-engineer-trainline-london-zfkef3ng8g4v) — London, United Kingdom - [Head of Group Reporting](https://feeny.ai/job/head-of-group-reporting-trainline-london-st419r2ns4fz) — London, United Kingdom - [Android Engineer](https://feeny.ai/job/android-engineer-trainline-london-sdwhdpjvk9c5) — London, United Kingdom - [Senior Platform Engineer](https://feeny.ai/job/senior-platform-engineer-trainline-london-1x390fxkm7e0) — London, United Kingdom - [Platform Engineer](https://feeny.ai/job/platform-engineer-trainline-london-sw955n28k9jc) — London, United Kingdom