Junior iOS Engineer

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 135 million monthly visits and £6.3 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 Trainline Mobile Team 👋

Our Mobile Engineers build the travel companion in your pocket - the Trainline app. The team creates smart, seamless experiences that help millions of customers search, book and manage their journeys with confidence, making travel simpler from the moment they open the app through to getting where they need to go.

As an iOS Engineer, you’ll join a cross-functional squad working closely with colleagues across iOS, Android, Web, Backend, Product and Engineering. You’ll contribute to meaningful product improvements, help shape technical decisions and take ownership of high-quality mobile delivery from idea through to production, with the customer experience at the centre of your work.

In this role as the iOS Engineer, you will...🚄

• Deliver new iOS functionality and product features using the most appropriate tools, techniques and engineering practices for the challenge.

• Build and maintain high-quality, reliable and scalable mobile experiences that help customers book and manage their journeys with ease.

• Continuously improve the iOS codebase, identifying opportunities to simplify, modernise and make our systems easier to work with over time.

• Take ownership of the development lifecycle from code through to production, including deployment, monitoring and ongoing support.

• Proactively identify blockers, inefficiencies and areas of unnecessary complexity, working with your squad to remove them and improve delivery.

• Support others in the team through coaching, mentoring and knowledge sharing, helping create an inclusive environment where everyone can do their best work.

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

• Experience building iOS applications using Swift, with an understanding of modern iOS development practices.

• Familiarity with SwiftUI and UIKit, and ideally some experience working with Objective-C in an existing codebase.

• A thoughtful approach to engineering quality, including testing, code review, maintainability and continuous improvement.

• Experience working in a cross-functional product team, collaborating with engineers, product managers and other partners to deliver customer-focused outcomes.

• The ability to contribute to technical decisions, explain trade-offs clearly and work collaboratively towards pragmatic solutions.

• A proactive mindset, with the confidence to identify blockers or inefficiencies and help improve how the team works.

• Helpful experience with tools and technologies such as SPM, Tuist, AWS, New Relic, ELK, Docker, Terraform or 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! 

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.

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!