Probably you are better off putting some or all of the fifteen years back on, but abbreviate those positions down to a one sentence/line summary. Also, work on

Probably you are better off putting some or all of the fifteen years back on, but abbreviate those positions down to a one sentence/line summary. Also, work on your narrative for those startups / patreon... "I learnt a lot in a short time" or "they were having financial troubles so they had to lay off some of their best people", or something not mad and resentful.