Trainline Logo

Trainline

Junior Engineer - .NET Backend (London)

Reposted 2 Days Ago
Be an Early Applicant
In-Office
London, Greater London, England, GBR
Junior
In-Office
London, Greater London, England, GBR
Junior
Work as a junior .NET backend engineer building and maintaining backend services, deliver features end-to-end, ensure code quality, participate in deployments and monitoring, improve codebase, and collaborate in Agile teams to support supply integration and scaling.
The summary above was generated by AI

About us

At Trainline, our purpose is to empower greener travel choices, connecting people and places. 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 🚄 

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.

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.

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.

Introducing the Backend teams at Trainline 👋


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.

This Role's Team 💚

The Supply Platform & AI Enablement team sits within Trainline’s Core Experience pillar and plays a critical role in shaping how supply is integrated, managed, and scaled across the Trainline platform. As rail liberalisation accelerates across Europe and new operators continue to enter the market, the team is focused on building scalable, resilient, and future-ready platform capabilities that enable Trainline to onboard and manage supply efficiently across rail and coach markets.


As a junior level .NET 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

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

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

  • Are early in your career; whether just starting or already possessing a couple of years of experience – we're excited to support your growth!

  • Have foundational knowledge of .NET

  • Thrive in a diverse, open, and collaborative environment

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

  • Have a passion to learn new skills and technologies

  • Have an appreciation of version control systems

  • Understand Agile/Scrum methodology

Bonus points if you...️ ⭐

  • 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 here.

  • Have working knowledge of Git

  • Have experience with Unit Testing

  • Have understanding or experience working with AWS or similar cloud technologies

Our Tech Stack 🔑

  • Languages & Frameworks: C# (.NET 6–10)

  • Databases: DynamoDB, PostgreSQL

  • Cloud & Infrastructure: AWS Cloud, Docker, Terraform

  • CI/CD & DevOps: GitHub Actions

  • Monitoring & Logging: New Relic, ELK Stack

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! 

HQ

Trainline London, England Office

3rd Floor, 120 Holborn, London, United Kingdom, EC1N 2TD

Similar Jobs

20 Days Ago
In-Office
London, Greater London, England, GBR
Junior
Junior
Software • Transportation
Work on backend systems to deliver features, improve code quality, own deployment and monitoring, prioritize customers, remove blockers, and contribute to technical decisions within an Agile team.
Top Skills: .Net 6-10AWSC#DockerDynamoDBElk StackGitGithub ActionsKotlinNew RelicPostgresReactRubySwiftTerraformTypescript
27 Minutes Ago
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Artificial Intelligence • Software
The Head of Sales Enablement will build and enhance the sales enablement function, create training programs, improve seller effectiveness, and streamline sales processes, collaborating closely with sales and marketing leaders.
58 Minutes Ago
Easy Apply
Hybrid
London, Greater London, England, GBR
Easy Apply
Internship
Internship
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Interns work on production-grade software across Samsaras IoT platform, contributing to backend, full-stack, mobile (React Native), or embedded projects. Paired with a mentor, interns build scalable systems, engage with customers, and use modern tools (Go, TypeScript, GraphQL) to deliver impact.
Top Skills: Edge AiGoGraphQLIotMultimedia FrameworksReactReact NativeTypescript

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account