Nirmalya Ghosh joins the React Round Up panelists in this episode to talk about how he migrated a monolithic Ruby on Rails application to React. What was estimated to take 3 -6 months ended up taking about 2 years, and Nirmalya shares all the hard-won lessons he learned along the way for any listeners who might be preparing to make a similar upgrade. Additionally, he talks about the company he currently works for and how they're trying to become the one-stop shop for anyone looking for a good API online. Lots of interesting tidbits are packed into this episode!