Kochava interview questions

Technical round Golang specific questions; Difference between buffered and unbuffered channels. Benefits of golang. Context in golang - how to pass values. What is sharding? SQL - query to get maximum salary for a department from two tables.

3 virtual interviews and a phone screen from HR. Each interview was with a different manager. The last interview was with the department head. A few days later I received an offer via phone by HR.