I'm on a team of a Fortune500 who uses a combination of Java and C# to do ETL. AMA. Edit: We're also a fairly greenfield team, with a product in beta that's le

I'm on a team of a Fortune500 who uses a combination of Java and C# to do ETL. AMA. Edit: We're also a fairly greenfield team, with a product in beta that's less than 4 years old. So like, the leaders of the team knowingly crafted us in this particular direction.