Many companies build their Scala code using Bazel[1]. For example, Databricks wrote about their experience using Bazel on a monorepo containing mostly Scala[2]. Can you share the specific concerns or issues you faced? Thanks.
[1] https://github.com/bazelbuild/rules_scala/blob/master/README... [2] https://databricks.com/blog/2019/02/27/speedy-scala-builds-w...
(Disclaimer: I work on Bazel)