Transport for London Software Engineer Interview Experiences 2026
Real, anonymous reports from people who interviewed for Software Engineer at Transport for London, newest first and distilled into what to expect across the loop.
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After my CV got accepted, I was sent an online assessment on values-based scenarios. It was built around case studies where I had to work through what I’d do, including a ranking-style element, and it leaned heavily into Transport for London’s “green” and sustainability themes along with teamwork. I liked that the interface felt guided—there were resource tiles provided to help me answer the questions—and the whole thing was automated right after I submitted.
Even though it felt pretty approachable, I didn’t move forward. The process overall felt efficient and structured, but the assessment was definitely the gate I needed to clear rather than a conversation with the team.
4 months ago
Average Positive Hong Kong
My application flow was pretty straightforward and professional. I started with an initial online application and then did a competency-based video interview. After that, I was invited to a final assessment centre.
At the assessment centre, I had a group technical exercise alongside a one-on-one interview with a senior engineer. The individual discussion centered on my project experience and my technical knowledge, so it felt less like broad screening and more like a check on how I’d actually work through real problems. I appreciated that the final round felt concrete—there was a sense of technical relevance rather than generic questioning.
5 months ago
Average Positive London, England
I went through a set of online assessments that mixed behavioural and situational multiple-choice questions with video prompts where I had to record m…
6 months ago
Average Positive London, England
The process started with my application and then moved into two rounds of assessments with video interviews. After that, I was invited to an in-person…
6 months ago
Difficult Positive London, England
My experience kicked off with a long competency-focused interview—about an hour—and it was very explicitly mapped to multiple areas like motivation fi…
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What to expect
Distilled from the reports
Initial Application & Online Assessments
The interview process begins with an online application followed by various assessments, including situational and competency-based questions, often delivered through video formats. Candidates should prepare for a structured evaluation that may include multiple-choice questions and recorded responses.
Candidates can expect competency-based interviews that probe their experiences and problem-solving abilities, often using the STAR method. These interviews are designed to assess how well candidates align with the role's requirements and the company's values.
STAR methodCompetency questionsBehavioral assessment
Assessment Centre Structure
The assessment centre typically includes a mix of group exercises, individual interviews, and presentations, all aimed at evaluating both technical skills and interpersonal dynamics. Candidates should be ready for a full day of activities that test collaboration and communication under pressure.
Group exercisePresentationTechnical interview
Technical Evaluation
Technical assessments may involve coding tasks or discussions about past projects, focusing on the candidate's understanding of relevant concepts rather than just memorized knowledge. It's important to prepare for both technical depth and the ability to articulate reasoning.
Technical questionsCoding tasksProject discussion
Group Dynamics & Interaction
Candidates will need to navigate group dynamics during collaborative exercises, which can significantly impact their performance. Being able to contribute effectively while also aligning with team members is crucial for success in these scenarios.
Group dynamicsCollaborationTeamwork
Feedback & Outcome
While many candidates report a structured and professional process, outcomes can vary widely, with some feeling that the evaluation criteria were complex or that their preparation did not align with the actual assessments. It's important to reflect on the experience for future improvement.