Zerodha. They are the biggest stock broker in India with a team of less than 40 people. Check out their tech blog for their tech philosophy: https://zerodha.tec

Zerodha. They are the biggest stock broker in India with a team of less than 40 people. Check out their tech blog for their tech philosophy: https://zerodha.tech/blog/hello-world/ https://zerodha.tech/blog/hello-world/ Also, WhatsApp with their choice of Erlang. https://www.google.com/amp/s/www.wired.com/2015/09/whatsapp-serves-900-million-users-50-engineers/amp https://www.google.com/amp/s/www.wired.com/2015/09/whatsapp-...