Junior Data Engineer, Trainline
Geospatial
Hybrid, 40% in office
2+ days a week in office (Holborn, London)
Europe's leading rail ticketing platform
Job no longer available
Europe's leading rail ticketing platform
1001+ employees
Job no longer available
Hybrid, 40% in office
2+ days a week in office (Holborn, London)
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
- Hold a degree in engineering, physics, computer science, or another quantitative discipline, or bring relevant transferable skills
- Have experience working with SQL and Python, and are familiar with Python libraries such as Flask, Fast API, Django, Pandas, SQLAlchemy
- Understand optimisation techniques like partitioning and indexing in relational database systems
- Are familiar with data stores such as PostgreSQL, DynamoDB, and Redis
- Can use data visualisation tools to create charts or diagrams to support data-driven discussions
- Communicate effectively and can present your ideas and work clearly to colleagues across technical and non-technical teams
- If you don’t meet every requirement listed but feel this role is a good fit for your skills and career goals, we encourage you to apply. We are looking for individuals who bring diverse ideas and perspectives to the team
Desirable
- Knowledge of geospatial analysis, including working with tools like Shapely, GeoPandas, or Turf
- Interest or experience with maps or location-based applications like Google Maps or Mapbox
- Some knowledge of DevOps technologies such as Terraform, Bash, Linux operating systems, and Docker
- Familiarity with CI/CD technologies, such as GitHub Actions
- Exposure to AWS services like ECS, ECR, RDS, and Redis
What the job involves
- This team is focused on creating innovative train tracking and mapping tools that use machine learning to improve the rail passenger experience
- In this role, you will help develop and test new tools and algorithms as part of a team bringing geospatial and location-based technologies to the market
- Your contributions will include building prototypes to assess feasibility and designing solutions that will be integrated into real-world products
- As a part of Trainline you will not only receive a competitive salary and benefits, but you’ll be joining an environment where your personal development is a top priority
- You’ll be part of a passionate team working on large-scale production systems that deliver impactful solutions used by millions of users
- Develop data engineering pipelines to enhance train tracking and contribute to improving our REST API
- Collaborate with the team to test and validate new products and services, ensuring they are ready for real-world application
- Work in a multi-disciplinary team, exchanging knowledge with data engineers, data scientists, and front- and back-end developers to deliver new features and products
- Design tools, frameworks, and processes to improve the speed, efficiency, and reliability of services already in production
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.
Its 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 sell 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 just 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
(CPO)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 Data Officer)Previously a Director of Data Science at Facebook and as a Director of Business Insights at Skype and Microsoft.
Sakshi Anand
(CGO)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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