Received an invitation for interview two months after my job application. The interview was held at the Croydon headquarters and was very smooth and laidback; the interviewers (senior structural engineers) were friendly and made me feel comfortable. The interview took a rather unstructured format, starting with an introduction by the interviewers about the business, and developing into a discussion, with me jumping in with questions now and then. Questions addressed to me were mostly standard strength-based and personal background ones; the meeting ended with a short technical test requiring me to draw elementary bending moment diagrams and deflection shapes. HR officers were br