Data Engineer, Trainline
£65-70k
Plus 2-for-1 share purchase plans
2+ days a week in office
Europe's leading rail ticketing platform
Open for applications
Europe's leading rail ticketing platform
1001+ employees
Open for applications
£65-70k
Plus 2-for-1 share purchase plans
2+ days a week in office
1001+ employees
Company mission
Trainline is proud to be Europe's leading rail and coach platform - a tech company with a mission to make train travel as smooth as possible to allow travellers to make greener travel choices.
Role
Who you are
- Have strong experience in Python and SQL
- Are skilled in data modelling and building optimised and efficient data marts and warehouses in the cloud
- Have built data pipelines with tools like Spark, Airflow, and AWS services like S3, SQS, Glue, ECS or EMR
- Work with modern data formats such as Parquet and Iceberg for efficient storage and querying in our data lake
- Are comfortable working with both real-time and batch data workloads, applying modern data transformation and orchestration patterns
- Have worked with Infrastructure as Code (Terraform) and containerization (Docker) to automate and standardize deployments
- Have contributed to or maintained CI/CD pipelines (Jenkins, GitHub Actions) as part of production-grade data systems
- Enjoy solving complex data problems and collaborating in a fast-moving environment
What the job involves
- At the heart of our Data Team, Data Engineers create the pipelines and tables that power business-critical dashboards, enable self-service analytics, and fuel advanced machine learning models and real-time data products
- Working with cutting-edge tools like DBT, Spark, and Airflow, you’ll transform high-volume raw event data into user-friendly, high-impact datasets
- We work cross-functionally with Machine Learning Engineers, Data Scientists and BI Developers, driving data-driven decisions across the business
- Our engineers enjoy autonomy, innovation, and continual learning, with structured progression paths and access to training resources
- As part of the Search and Buy team, you’ll work at the intersection of data engineering and machine learning, building the data foundations that power Trainline’s core search and purchase experiences
- You’ll help design and maintain feature stores and data pipelines that feed ML models tackling advanced, high-impact problems from improving search relevance and pricing predictions to powering conversational AI features that make travel discovery and booking more intuitive for our users
- Design and build scalable data pipelines, data models, and feature stores to support analytics and ML workloads
- Shape the technical and architectural direction of the Data Engineering function
- Deploy and manage cloud-native data applications on AWS using CI/CD pipelines to automate builds, testing, and releases
- Ensure the technical quality, performance, and reliability of production-grade data pipelines through strong observability and engineering best practices
Salary benchmarks
Our take
Trainline make it super easy to book transport tickets. Its app is intuitive and well designed and its even pioneering paperless travel, allowing users to store their tickets in the app.
It's hyper-focused on customer experience and has a product culture of fast iteration to deliver great outcomes for customers. Its customers make 170,000 journeys a day and it sells 200 tickets a minute.
Its continuing to innovate to stay ahead, using machine learning to predict price movements and integrating with Siri and Google Assistant so people can buy tickets simply by speaking to their phone.
Steph
Company Specialist at Welcome to the Jungle
Insights
Company
Employee endorsements
Challenging work
"The complex nature of the market as we work with different suppliers is an amazing opportunity to create fluid solutions. A very well segmented..."
Company benefits
- Flexible working (40% min office attendance)
- Cycle to work scheme
- Discounted gym memberships through Wellhub
- Private Health and Dental Insurance
- Enhanced Pension (matched contributions)
- Income Protection
- Share Incentive Plan (buy one get one free)
- Learning budget
- Primary & Secondary Caregiver Leave
- Shared Parental Leave
- Enhanced sick pay
- Free Perkbox subscription
- Electric Vehicle Salary Sacrifice Scheme
- YellowNest - Subsidised Childcare Fees
- Work from Abroad
Company values
- Own It - We care about every customer, partner and journey
- Do Good - We make a positive impact
- Travel Together - We're one team
- Think Big - We are building the future of rail
Company HQ
Farringdon, London, UK
Articles
Leadership
Jody Ford
(CEO)Joined Trainline in 2020 as COO before becoming the CEO in 2021. Previously the Group CEO at Moonpig and Photobox and also spent over 10 years at eBay in various VP roles.
Lisa Hillier
(Chief People Officer)Previously the CPO at Gousto, The Restaurant Group, and Just Eat. They also spent over 6 years at Betfair as the Head of HR and Chief Human Resource Officer.
Mike Hyde
(Chief Technology Officer)Previously a Director of Data Science at Facebook and as a Director of Business Insights at Skype and Microsoft.
Sakshi Anand
(Chief Growth Officer)Joined Trainline in 2023 as the VP of Growth and President of UK before becoming the CGO in 2025. They are also the Founder of NeuStar Consulting.
People progressing
Gary joined in 2022 from Comparethemarket as Director of Engineering and was recently promoted to VP Engineering, reporting directly to CTO.
Joe joined in 2022 from Meta as Director of Data Science and was recently promoted to VP Data, reporting directly to CTO.
Ali joined in 2023 from Meta and was recently promoted to VP Product, reporting directly to CPO.
Diversity, Equity & Inclusion at Trainline
- 💚 Diversity drives us forward We know that having a diverse team is crucial to Trainline’s ongoing success. A team that is diverse in all forms – gender, ethnicity, sexuality, disability, nationality and diversity of thought are key to Trainline being an inclusive environment where every Trainliner can be their true self. We're committed to creating workplaces where everyone belongs, is celebrated and their differences are valued, creating an awesome employee and customer experience. 💚 Meet our Networks Our diversity networks are inclusive communities developed and led by Trainliners, with sponsorship and support from senior leaders. They're all about empowering and supporting underrepresented groups, by providing a safe space to talk, a place to come up with new ideas and a channel for voices to be heard. 🚀 Women in Leadership 💜 Gender Equality Network 🏳️🌈 Rainbow Train (LGBTQIA+) 🌻 Sunflower (accessibility) 🌍 Ethnic Diversity Network 🐣 Parent & Carers
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