Junior Software Engineer

  • Trainline
  • London, UK
  • 15/01/2020
Full time Data Science Big Data Statistics Software Engineering

Job Description

Our MissionTrainline is the leading independent rail and coach travel platform selling rail and coach tickets to millions of travellers worldwide. Via our highly rated website and mobile app, people can seamlessly search, book and manage their journeys all in one place. We bring together millions of routes, fares and journey times from 260 rail and coach carriers across 45 countries. We offer our customers the best price for their journey and smart, real time travel information on the go. Our aim is to make rail and coach travel easier and more accessible, encouraging people to make more environmentally sustainable travel choices.
Technology @ TrainlineOver half of our staff are technologists, we're changing the way that people travel through the use of high quality software and technological innovation.
We know that great software requires great coding practices. Trainline is used by millions of people every day, we process over 200 ticket sales per minute, and 80 million+ transactions per month. It simply would not be possible to move fast enough if we were not able to trust our engineers to produce code of the highest quality. Here are some key practices which we insist upon across our teams that allow us to release over 300 times per week.
We review code via pull requests ✔️We pair smartly✔️We advocate Test-Driven Development (TDD)✔️We treat staging like production✔️
For this role, we are looking for an enthusiastic Software Engineer, ideally with exposure & experience within both web and mobile browser applications, using C#, .NET and some JavaScript exposure.You will join a highly skilled development team, building and delivering software. We use agile practices (a mix of SCRUM, Kanban & Lean) and we’re big fans of continuous integration and pair programming.We focus on continuously improving our capabilities, architecture and process as a team. We encourage our technical staff to blog about technical innovation on Trainline’s engineering blog and to contribute code to the open source community.

What you will be getting involved in:

  • Delivering projects, developing great code, using the most appropriate tools and techniques.
  • End to end feature development
  • Deployment and performance monitoring
  • Set-up, monitoring alerts for applications and environments
  • Hands on testing
  • Working with business analysts, product owners and colleague agile developers to review, set story and feature acceptance criteria
  • Data driven decision making
  • Continuously improving code base and removing technical debt

What technologies and practices you'll be working with:

  • Agile development, XP practices
  • Hands on experience with .NET/C# and Visual Studio (.Net 4.5 or newer)
  • Exposure to front-end working with JavaScript (React/Node Frameworks)
  • Full software development lifecycle
  • TDD ingrained into work practices
  • Windows stack (IIS, SQL Server, MSMQ, AD)
  • High traffic or eCommerce retail platform experience
  • CI tools experience
  • NUnit, mocking frameworks or similar tools
  • Experience with performance measuring & monitoring tools: New Relic and ANTS
  • Load testing experience

Our CultureEverything begins with great people, as well as aptitude, we put a heavy emphasis on attitude.Coaches Over Heroes

  • We prioritise the focus on being one team over elevating the heroics of an individual, for us the true heroes are those individuals who are excellent at nurturing, coaching and generous in sharing their knowledge with others.


  • Everything that we do takes into account the morale of every member of our team, their opportunities for growth and for participation in exciting challenges.

Mentoring and Learning

  • We have a mentoring community that is constantly growing, we provide people with mentors or buddies from various teams.

Trust- We hire awesome people capable of making smart decisions - empowerment is a great enabler of agility.
We value open expression at Trainline, we believe it’s the diversity of experience, backgrounds and perspectives of our employees that makes us who we are. We encourage everybody to play a part in changing the way people travel across the world.