saas.unbound is a podcast for and about founders who are working on scaling inspiring products that people love, brought to you by https://saas.group/, a serial acquirer of B2B SaaS companies.

In episode #10 of season 6, Anna Nadeina talks with Sergiy Korolov, co-founder of Railsware and the brain behind Mailtrap.

From accidentally launching one of the most popular developer tools with zero marketing budget, to running the company with an all-engineer team — Sergiy's journey is packed with lessons most founders learn the hard way.

In this episode:

→ How Mailtrap grew to hundreds of thousands of users before charging a cent

→ The "product studio" model Railsware uses to co-found new comp ...