You made that as a senior software dev in Finance more than a decade ago, more now (mainly because the pound went down versus other main currencies), especially if you’re working in the Front Office (i.e. directly with business, such as Traders and Analysts)
However breaking into Front Office IT in Finance without previous experience in your CV working in banking or similar is pretty though.
Sure, yes, but those kinds of positions in the US make 300k or more too. Also, then you work in finance and you have to live with the fact that you are categorically making the world a worse place every day.