a mobile train ticket counter


Trainline is Europe's leading independent rail and coach platform. They sell tickets to customers worldwide, enabling more than 125,000 journeys every single day in and across 36 countries, covering 150 different carriers.

simplabs worked closely with Trainline’s in-house engineering team and built a mobile web app to accompany the existing desktop app. A dedicated site for mobile devices allowed Trainline to better serve customers on the go and leverage the full market potential.


Sustainable added value

We established modern and idiomatic practices for developing mobile apps and helped Trainline's in-house engineering team internalize those through code reviews.

In addition to supporting Trainline with engineering resources and expertise, we were able to help improve the engineering process by establishing and solidifying a sprint based approach. This resulted in more efficient prioritization and a better sense of progress by both engineers and management.

A path into the future

Besides working on the core application, simplabs spearheaded several engineering efforts focused around mobile performance, improved load times, server side rendering and localization.


Faster Load Times


Server-Side Pre-Rendering


Application Localization

It has been an absolute pleasure to work with simplabs. Their team of experienced JavaScript engineers quickly slotted in to our in-house development teams. Their expertise with modern, agile software development best practices and tools meant they were able to work with our processes to deliver fantastic customer experiences.

Mark Holt, Trainline CTO

Our Expertise

We value conventions-based frameworks that result in maintainable and well-defined projects which are easy to take over by our clients once we've left.

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