Ask HN: How would you build a shopify or Airbnb today?

My question only targets the technical aspect, how would you build a MVP for a complex project like shopify or Airbnb today?

Here you can see what they used 10 years ago: https://engineering.shopify.com/blogs/engineering/e-commerce-at-scale-inside-shopifys-tech-stack

https://www.forbes.com/sites/quora/2018/02/20/what-technology-stack-does-airbnb-use/#39ee8ca04025

And keep in mind, the goal is to launch as quick as possible as your next rent is due and you need to make money.