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Not researched yet: only the posting and Claude's evaluation below.
Junior ML engineer role learning to build and ship machine learning models across Trainline's platform. Claude's read
You would work in a cross-functional team of data scientists, engineers and product managers, helping with data exploration, feature engineering and model evaluation. You would be supported by more senior colleagues to grow your skills, contributing to shared ML tools and taking part in the wider ML/AI community at Trainline.
Junior ML engineer in Trainline's ML and AI community, learning through project work alongside senior engineers.
jobs.ashbyhq.comML at Trainline powers search, recommendations, pricing and routing, marketing and customer-support AI agents.
jobs.ashbyhq.comWork across the ML lifecycle: exploring data, building features, choosing and evaluating models.
jobs.ashbyhq.comCross-functional teams of data scientists, software and data engineers, and product managers.
jobs.ashbyhq.comCS, Maths, Statistics or similar quantitative background, from study or practice.
jobs.ashbyhq.comSome exposure to building ML models or AI solutions, from study, projects or early work.
jobs.ashbyhq.comHelpful but not essential: Spark, Docker/Terraform/MLflow, agile and CI/CD.
jobs.ashbyhq.comNot researched yet.
Stretch: Needs production Python and some ML ops; a stretch from an economics degree.
Not researched yet.
Not researched yet.
No salary on this posting. Benefits: private health and dental, 2-for-1 share purchase, extra festive leave, family benefits.
jobs.ashbyhq.comSays it has clear career paths, transparent pay bands, learning budgets and regular learning days.
jobs.ashbyhq.comIn the office at least 60% of the time (about three days a week), plus 28 days a year working from abroad.
jobs.ashbyhq.comNo verified summary yet.
Europe's leading independent rail and coach ticket app and website, plus B2B partners.
jobs.ashbyhq.com6 May 2026 · FY2026 (to Feb 2026): revenue £453m, ticket sales £6.3bn, adjusted EBITDA £177m. Listed on the LSE.
investegate.co.uk6 May 2026 · 27 million active customers; Europe's most downloaded rail app.
investegate.co.ukFY2026 results: AI rail-disruption features launched and the Trainline app integrated into ChatGPT.
investegate.co.ukGovernment committed to let third-party retailers like Trainline offer Delay Repay once Great British Railways launches.
investegate.co.ukRegistered office of Trainline.com Ltd, Stonecutter Street, near Farringdon/Blackfriars
Status: Applying · the stage and the next step are at the top of the page.
Junior ML engineering: Alex likes the data side, less so production code.
Engineering role; Alex has no CS degree.
Product scale-up.
Good ML engineering path.
Consumer tech with AI.
No pay stated in the posting.
You will be supported to grow your skills through hands-on project work, close collaboration with more experienced colleagues, and a genuine culture of learning and development, while contributing to large-scale production systems that make a real difference to millions of customers.jobs.ashbyhq.com
Our ML models and AI solutions power critical aspects of our platform, including advanced search and recommendations across our mobile and web applications, pricing and routing optimisation, personalised experiences enhanced by agentic AI, data-driven marketing systems, and AI agents that improve customer support.jobs.ashbyhq.com
Get involved across the machine learning delivery lifecycle, including data exploration, feature engineering, model selection and evaluationjobs.ashbyhq.com
Work within cross-functional teams alongside data scientists, software engineers, data engineers and product managersjobs.ashbyhq.com
Contribute to the tools, frameworks and libraries that help accelerate our ML and AI delivery and improve our workflowsjobs.ashbyhq.com
A good working knowledge of Python, including open-source data libraries such as Pandas, NumPy or Scikit-learnjobs.ashbyhq.com
A background in Computer Science, Mathematics, Statistics or a similar quantitative discipline, whether through study or practical experiencejobs.ashbyhq.com
Some exposure to building or supporting machine learning models or AI solutions, gained through study, projects or early career experiencejobs.ashbyhq.com
It would be helpful if you have had some exposure to Spark or similar data processing toolsjobs.ashbyhq.com
"publishedAt":"2026-09-23T16:13:35.117+00:00"api.ashbyhq.com
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.jobs.ashbyhq.com
We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days.jobs.ashbyhq.com
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.jobs.ashbyhq.com
💭 Think Big - We're building the future of railjobs.ashbyhq.com
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.jobs.ashbyhq.com
We’re a team of more than 1,000 Trainliners from over 50 nationalities, working across London, Paris, Barcelona, Milan, Edinburgh and Madrid.jobs.ashbyhq.com
Group net ticket sales up 7% year-on-year 5 to £6.3 billion; revenue up 2 % 5 to £ 453 millioninvestegate.co.uk
Europe's most downloaded rail app 7 with total active customer base of 27 million 8investegate.co.uk
Market-leading share of GenAI citations; integrated Trainline App into ChatGPTinvestegate.co.uk
Progress in challenging operator self-preferencing - Government committed to allow 3 rd party retailers to offer Delay Repay once Great British Railways (GBR) launchesinvestegate.co.uk
1 Stonecutter Street, London, England, EC4A 4AHfind-and-update.company-information.service.gov.uk
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 🚄…
Excerpt only: the full posting is on the employer's site (Open posting).
none/none. Facts come from the posting or a facts row with a source; “Claude's read” marks judgement.