Junior Cloud Engineer FullTime London

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 the Infrastructure Engineering and Tooling team aka Atlas at Trainline

Atlas owns the ecosystem used to deploy, run and manage traffic to the Trainline platform. We’re currently building the next generation of our infrastructure platform. We use a variety of technologies — from Terraform to Node.js, C#, Python and AWS — and we focus on software engineering excellence: reliability, quality, automation, and fast iteration.

The team is split into two squads, each with a mix of software engineers, platform engineers and cloud specialists, supported by Engineering Managers and a Head of Engineering who shapes our strategy alongside a Technical Product Manager.

You won’t just be “managing systems” — you’ll be building the code-driven foundations that hundreds of engineers use daily. This is the perfect role if you’re a software engineer who’s passionate about applying coding skills to the world of cloud-native engineering.

As a Cloud Engineer at Trainline you will…

• Join a high-performing, inclusive team where you can inspire people and own results.

• Work on transforming Trainline into a cloud-native organisation by building opinionated platform solutions through clean, testable, production-quality code.

• Use Infrastructure as Code (Terraform/OpenTofu) and modern programming languages to create scalable, maintainable systems.

• Improve developer experience so product teams can ship features faster and more reliably.

• Contribute to process improvements and platform evolution, iterating along the way.

Qualifications

We\’d love to hear from you if you…

• Have solid experience in at least one modern programming language (e.g. Node.js, Python, C#) and can confidently read, write, and discuss code.

• Strong DevOps or infrastructure experience is valuable, but this role requires hands-on coding ability . A coding exercise is part of the interview process.

• Understand software engineering principles: version control, modular design, testing practices such as TDD.

• Consider yourself reliable, transparent and collaborative.

• Have knowledge of cloud computing, ideally AWS.

• Enjoy working with Infrastructure as Code (Terraform/OpenTofu) and automation tools.

• Have a basic understanding of Linux.

• Are curious and eager to learn new languages, frameworks and cloud technologies.

Our Technology Stack

Our cloud engineering team will give you the opportunity to work with a variety of technologies and patterns. At our core we have:

• Node.js and Typescript

• Terraform and Spacelift

• Containers / Serverless

• AWS as our cloud platform

• CI – GitHub Actions

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!

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 !

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