A bit off-topic, but gov.uk is quickly improving into an actual usable site. The GDS (Government Digital Service [0]) and the GDS (Government Design System [1]) - who run the posted link too - are doing a great job. Want to renew my passport? Easy, same UI/UX for getting a drone license, taxing my car and filing for benefits. Want to renew my driving license? Well, that's yet to move from the old DVLA site, but it's…
But for web developpers, that’s not all: it’s very deliberate, there’s detailed public guidelines, a scrutiny that developpers of the most popular open source project might recogonise. The overall result is that the people working there are very good. They are principled, and typically very complementary of the independent-minded polymath that many of us have worked with. They understand accessibility in detail and many dimensions (think: both rare handicaps and aging web-clients).
I’ve worked with several and I would strongly recommend considering experience at the Government Digital service (GDS) as a very good signal on a CV, akin to senior role at a big tech, or early engineer at a successful start-up.