Did
all of your positive interviews result in rejections?
Some of mine did. That always hurt. But, I mean...
1. A lot of companies follow the "it's better to turn away 10 qualified hires than to make one bad hire" adage
2. Even when I know I'm 100% qualified and would be a good fit, that might be true for 10 other candidates as well so I expect a 90% rejection rate even when things go well.
3. Even when I know I'm 100% qualified and would be a good fit, some other candidate might have some specific domain knowledge (maybe it's fintech, and they've worked in fintech before and I haven't) and it might be a tiebreaker in their favor
4. Even when I know I'm 100% qualified and would be a good fit, some other candidate might have some specific tool/framework/language I don't. If I have experience with 50 tech buzzwords, and so does the other candidate, but 27 of mine overlap with the company's requirements and 29 of theirs do, then that might be a tiebreaker in their favor.
Anyway, being an entrepreneur is better anyway. I'm glad you found success. I miss running my own show. Every day.