Junior .NET Engineer — Opportunihub
Job

Junior .NET Engineer

Trainline · London

At a glance

Type
Job
Organisation
Trainline
Location
London
Work mode
On-site
Deadline
Rolling / not stated
Posted
11 Sep 2026

About this job

<p style="min-height:1.5em"><strong>About us</strong></p><p style="min-height:1.5em">At Trainline, our purpose is to <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.thetrainline.com/terms/sustainability-faqs">empower greener travel choices, connecting people and places.</a> 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. </p><p style="min-height:1.5em"><strong>Great journeys start with Trainline 🚄 </strong></p><p style="min-height:1.5em">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.</p><p style="min-height:1.5em">Our job is to make the green travel choice the best choice. By building a better train travel experience, we help more people choose rail - creating a positive impact for customers, our business and the planet.</p><p style="min-height:1.5em">We’re a team of more than 1,000 Trainliners from over 50 nationalities, working across London, Paris, Barcelona, Milan, Edinburgh and Madrid. Now is a brilliant time to join us and help shape the future of travel.</p><h2><strong>Introducing the Backend teams at Trainline👋</strong></h2><p style="min-height:1.5em">The Backend teams at Trainline build the core of Trainline’s world class product. We create the journey search functionality that millions of our customers use on a daily basis, the eCommerce platform that provides a secure and seamless experience and we connect Trainline to over 270 travel operating companies, across 45 countries in Europe and the rest of the world. Each team has a targeted domain focus, ranging between journey search, fares calculation, bookings, fulfilment, payments, refunds, carriers’ integrations, real-time timetable information, journey disruptions and much more. </p><p style="min-height:1.5em"></p><h2><strong>As a junior level .NET Engineer at Trainline you will...🚄</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Deliver new functionality or features, using the most appropriate tools &amp; techniques</p></li><li><p style="min-height:1.5em">Ensure quality is at the heart of everything you and your team do</p></li><li><p style="min-height:1.5em">Continuously improve the code base</p></li><li><p style="min-height:1.5em">Keep our customer as the number one priority </p></li><li><p style="min-height:1.5em">Actively identify blockers, boulders, time sinks and waste, and actively attempt to remove them</p></li><li><p style="min-height:1.5em">Make significant contribution to technical decisions</p></li><li><p style="min-height:1.5em">Take full ownership of the development lifecycle from code to production, including deployment and monitoring</p></li></ul><p style="min-height:1.5em"></p><h2><strong>We'd love to hear from you if you... 🔎</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Are early in your career; whether just starting or already possessing a couple of years of experience – we're excited to support your growth!</p></li><li><p style="min-height:1.5em">Have foundational knowledge of .NET</p></li><li><p style="min-height:1.5em">Thrive in a diverse, open, and collaborative environment</p></li><li><p style="min-height:1.5em">Are proactive, focused, supportive, honest, and a team player</p></li><li><p style="min-height:1.5em">Have a passion to learn new skills and technologies</p></li><li><p style="min-height:1.5em">Have an appreciation of version control systems</p></li><li><p style="min-height:1.5em">Understand Agile/Scrum methodology</p></li></ul><p style="min-height:1.5em"></p><h2><strong>Bonus points if you... ⭐️</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Have experience with some of the core programming languages we use such as C# .NET, React, Typescript, Kotlin (Android), Swift (iOS), Ruby. Check out our full tech stack <a target="_blank" rel="noopener noreferrer nofollow" href="https://stackshare.io/companies/trainline">here</a>.</p></li><li><p style="min-height:1.5em">Have working knowledge of Git</p></li><li><p style="min-height:1.5em">Have experience with Unit Testing</p></li><li><p style="min-height:1.5em">Have understanding or experience working with AWS or similar cloud technologies</p></li></ul><p style="min-height:1.5em"></p><h2><strong>Our Tech Stack </strong>🔑</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Languages &amp; Frameworks:</strong> C# (.NET 6–8)</p></li><li><p style="min-height:1.5em"><strong>Databases: </strong>DynamoDB, PostgreSQL</p></li><li><p style="min-height:1.5em"><strong>Cloud &amp; Infrastructure:</strong> AWS Cloud, Docker, Terraform</p></li><li><p style="min-height:1.5em"><strong>CI/CD &amp; DevOps:</strong> GitHub Actions</p></li><li><p style="min-height:1.5em"><strong>Monitoring &amp; Logging:</strong> New Relic, ELK Stack</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>More information:</strong></p><p style="min-height:1.5em">Enjoy fantastic perks like private healthcare &amp; 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. </p><p style="min-height:1.5em">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! </p><p style="min-height:1.5em">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.</p><p style="min-height:1.5em">Our values represent the things that matter most to us and what we live and breathe everyday, in everything we do: </p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">💭 <strong>Think Big</strong> - We're building the future of rail </p></li><li><p style="min-height:1.5em">✔️ <strong>Own It </strong>- We focus on every customer, partner and journey </p></li><li><p style="min-height:1.5em">🤝 <strong> Travel Together</strong> - We're one team </p></li><li><p style="min-height:1.5em">♻️<strong> Do Good</strong> - We make a positive impact </p></li></ul><p style="min-height:1.5em">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.</p><p style="min-height:1.5em">Interested in finding out more about what it's like to work at Trainline? Why not check us out on <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.linkedin.com/company/trainline/">LinkedIn</a>, <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.instagram.com/lifeattrainline/">Instagram</a> and <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.glassdoor.co.uk/Overview/Working-at-Trainline-EI_IE249203.11,20.htm">Glassdoor</a>! </p><hr><p>Compensation: £35K – £38K</p><ul><li> • Junior level £35K – £38K</li></ul><p>Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Trainline’s official page.
  4. 4 Submit as early as possible — many close once filled.
Apply on official site

Sourced from arbeitnow. Always verify details on the official website. Opportunihub never charges you to apply.

Frequently asked questions

How do I apply for Junior .NET Engineer?

Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Trainline’s official page.

Is this opportunity remote or location-based?

This opportunity is based in London. Check the official listing for any relocation or on-site requirements.

Is Junior .NET Engineer free to apply for?

Opportunihub lists this Job for free. Legitimate Jobs do not ask for payment to apply — never pay a fee to submit an application.