Find a job with a US company that has a UK presence (a multinational like Google, Facebook etc.) and get promoted enough (e.g: to Engineering Manager) to be eligible for an L1 visa, then request to transfer from the UK to the US. The L1 visa process is the easiest, and has a path to citizenship.
(UK salaries are competitive enough nowadays that it's not really worth it for financial reasons, given the financial risks associated with the US. If you want to go for non-financial reasons, have at it.)
https://www.nnuimmigration.com/l1-visa-to-green-card/
(UK salaries are competitive enough nowadays that it's not really worth it for financial reasons, given the financial risks associated with the US. If you want to go for non-financial reasons, have at it.)