An informal interview with their CFO who comes across as extremely uninterested in anything you have to say so don't be put off. She interviews all new joiners and will ask a series of technical questions to grasp your experience, nothing too difficult. One of our final questions was on hybrid working. I explained I had a young family and would like to spend 2/3 days in the office but can flex for deadlines, as is always the case for tender submissions. I was turned down a second interview on that basis and am glad I didn't join them to find out the hard way. If you value your work/life balance and have a family, look elsewhere.