Junior Engineer - .NET Backend (London)

Junior Engineer - .NET Backend (London)

Full-Time 50000 - 70000 £ / year (est.) Home office (partial)
United States Digital Space LLC

At a Glance

  • Tasks: Develop and enhance features for our innovative rail platform using .NET.
  • Company: Join a leading tech company revolutionising travel across Europe.
  • Benefits: Enjoy private healthcare, flexible work options, and generous learning budgets.
  • Other info: Diverse and inclusive workplace with clear career growth opportunities.
  • Why this job: Be part of a team making travel simpler, greener, and more affordable.
  • Qualifications: Basic knowledge of .NET and a passion for learning new technologies.

The predicted salary is between 50000 - 70000 £ per year.

About us

We are champions of rail, inspired to build a greener, more sustainable future of travel. The company 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 the company. 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 Backend teams at the company

The Backend teams at the company build the core of the company’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 the company 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 the company’s Core Experience pillar and plays a critical role in shaping how supply is integrated, managed, and scaled across the company 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 the company to onboard and manage supply efficiently across rail and coach markets.

As a junior level .NET Engineer at the company 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.
  • 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 every day, 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 the company? Why not check us out on LinkedIn, Instagram and Glassdoor!

Junior Engineer - .NET Backend (London) employer: United States Digital Space LLC

United States Digital Space LLC is an exceptional employer, offering a dynamic work culture that prioritises innovation and collaboration in the heart of Greater London. With a strong focus on employee well-being and flexible work options, we provide ample opportunities for professional growth and development, making it an ideal environment for those looking to make a meaningful impact in the field of AI-enabled SaaS engineering.

United States Digital Space LLC

Contact Details:

United States Digital Space LLC Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Junior Engineer - .NET Backend (London)

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at United States Digital Space LLC or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to United States Digital Space LLC.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like United States Digital Space LLC.

Explore Job Boards Specifically for Tech Roles

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We think you need these skills to ace Junior Engineer - .NET Backend (London)

.NET
C#
Version Control Systems
Agile/Scrum Methodology
Unit Testing
AWS
Cloud Technologies

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at United States Digital Space LLC.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at United States Digital Space LLC and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at United States Digital Space LLC

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If United States Digital Space LLC uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.