Famous Side Hustles That Became Billion-Dollar Tech Companies
Abhinav Asthana was interning at Yahoo in Bangalore, where his work involved using APIs constantly. The tools available for testing them felt clunky and outdated, so in 2012 he put together a simple just to make his own life easier. Word about it spread through the developer community within weeks.
Asthana later brought in Ankit Sobti and Abhijit Kane, both people he had worked with at Yahoo, to help turn the side project into an actual company. Postman eventually moved its base to San Francisco. What started as a browser extension built for one frustrated intern ended up as a company worth $5.6 billion.
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These five companies came out of completely different industries, but the pattern behind them is basically the same. A founder ran into a personal problem, built something to solve it, used it enough to know it worked, and only later realized it could become a real business on its own.
This sequence keeps showing up across the tech world, and it might not be a coincidence at all. It could just be one of the more reliable ways something genuinely useful gets built.
