As CEO of language-learning startup Preply, Kirill Bigai said he’s spending much of his time these days building out his team.

“This quarter, I’m spending 50% to 60% of my time on hiring,” Bigai told Business Insider.

Bigai, who cofounded the company in 2012, said Preply is scaling quickly and bringing on new leaders. The startup, which has more than 800 employees and was valued at $1.2 billion in January, lists 118 open roles on its website. That includes senior engineering positions focused on building architectures and agents, as well as AI research jobs.

The CEO said that, for him, hiring is a constant part of leadership, and he said he’s…