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      Trainline

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      Software Engineer Interview

      5 June 2026
      Anonymous employee
      London, England
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied online. I interviewed at Trainline (London, England)

      Interview

      Incredibly thoughtful interviewers and modern process, go beyond following a checklist and instead, they recognise potential and foster growth, even in the interview. Eager to see you succeed and support you through each stage. Open to ideas with guidance on approach and what is reasonable for an interview setting.

      Interview questions [1]

      Question 1

      Why use dependency injection and what are the benefits
      Answer question

      Other Software Engineer interview reviews for Trainline

      Software Engineer Interview

      18 Apr 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied through a recruiter. I interviewed at Trainline

      Interview

      The interview lasted two hours: the first 30 minutes were questions about my background, followed by 90 minutes of live coding. Three engineers asked me to build a .NET Core application from scratch using clean architecture. I was initially told the focus would be on my thought process and communication, and that it would feel like a pair-programming session rather than finishing everything. I followed a structured approach with a diagram, bullet points, and constant explanation of my reasoning and next steps. I made some small mistakes that I think were reasonable given the scope and time constraints of the task. However, I received negative feedback mainly because I didn’t reach a fully working solution in time. Overall, the interview felt stressful, and it seemed they expected a fast, mistake-free implementation while asking many questions, which contradicted the initial emphasis on collaboration and thought process.

      Interview questions [2]

      Question 1

      Tell me about a challenging project you worked on
      Answer question

      Question 2

      Some questions about .NET design practices, API resiliency and DI lifecycle during the live coding section
      Answer question

      Software Engineer Interview

      8 Jan 2025
      Anonymous interview candidate
      Portsmouth, South East England, England
      No offer
      Negative experience
      Average interview

      Application

      I applied through a recruiter. The process took 3 months. I interviewed at Trainline (Portsmouth, South East England, England)

      Interview

      There’s not much great communication. Although first stage which is the recruiter call is great but after taking the test and waiting for feedback, it came back months later. Basically ghosting

      Interview questions [1]

      Question 1

      General software engineering questions like questions around sql, APIs etc
      Answer question