Junior .NET Engineer

Trainline; Greater London; Hybrid; GBP 35,000 - 38,000; Full time

Benefits offered by this job

Private healthcare

Dental insurance

Work from abroad policy

2-for-1 share purchase plans

EV scheme

Festive time off

Family-friendly benefits

Job summary

Trainline is seeking a junior .NET Engineer to join our Backend teams. You will deliver new features, uphold code quality, and continuously improve the platform that powers travel search, eCommerce, and carrier integrations.

We value collaboration, learning, and ownership throughout the full development lifecycle. Ideal candidates have foundational .NET knowledge, are proactive, and eager to grow in a diverse, open environment.

Qualifications

• Basic knowledge of .NET required.
• Collaborative mindset and ability to work in a team.
• Willingness to learn new skills and technologies.
• Familiarity with Agile/Scrum practices.

Responsibilities

• Deliver new functionality or features using appropriate tools and techniques.
• Ensure quality is at the heart of the work.
• Continuously improve the code base.
• Keep the customer as the top priority.
• Identify blockers and waste, and work to remove them.
• Contribute to technical decisions and architecture.
• Take ownership of the development lifecycle from code to production, including deployment and monitoring.

Skills

C# / .NET

Git

Unit Testing

AWS

React

Tools

GitHub Actions

Docker

Terraform

DynamoDB

PostgreSQL

Job description

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 many more.

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 6–8)
• 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!

Compensation: £35K – £38K

• Junior level £35K – £38K

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