Engineer – Full Stack

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  • Trainline
  • London, Greater London
  • 2 weeks ago
  • £55K – £70K
Trainline
Published
March 20, 2026
Location
London, United Kingdom
Job Type

Job Description

About us

We are champions of rail, inspired to build a greener, more sustainable future of travel. 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  

Now Europe’s number 1 downloaded rail app, with over 125 million monthly visits and £5.9 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, eco-friendly and affordable as it should be. 

Today, we're a FTSE 250 company driven by our incredible team of over 1,000 Trainliners from 50+ nationalities, based across London, Paris, Barcelona, Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. 

Introducing Trainline & the Traveller Care team
Trainline are champions of rail, inspired to build a greener, more sustainable future of travel. We enable 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.

The Traveller Care team build solutions to support customers after their purchase. We offer refund, change of journey and travel assistant features which enable users to independently manage their bookings.

As a mid level Full stack engineer at Trainline you will...

  • Deliver new functionality or features, using the most appropriate tools & techniques

  • Ensure quality is at the heart of everything you and your team do

  • Continuously improve the code base

  • Keep our customer as the number one priority

  • Actively identify blockers, boulders, time sinks and waste, and actively attempt to remove them

  • Make significant contribution to technical decisions

  • Act as a coach and mentor to others in the team

  • Take full ownership of the development lifecycle from code to production, including deployment and monitoring

Our Tech Stack

  • JavaScript, CSS, HTML

  • React, Typescript, Node

  • C#, .NET Core

  • DynamoDB

  • AWS Cloud, Docker, Terraform

  • GitHub Actions

  • New Relic, ELK Stack

We'd love to hear from you if you...

  • Have hands on experience with React and Typescript

  • Have hands on experience with C# .NET and the latest features

  • Love using Agile development practices

  • Have hands on experience working on software development of high-volume transactional applications

  • Have experience in asynchronous service/processing

  • Test your solutions effectively

  • Enjoy mentoring less experienced engineers

  • Have experience with CI/CD

  • Thrive in a diverse, open and collaborative environment

  • Have great communication skills

  • Are proactive, focused, supportive, honest and a team player

  • Have a passion to learn new skills

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 operate a hybrid model to work 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, Instagram and Glassdoor

Key Skills
? Key Skills in dark blue have been inferred based on similar industry roles
C# Docker Dynamodb Terraform CI/CD Agile HTML CSS LESS C Javascript React Typescript AWS

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