First think about your target company type/industry - the majority of corps will be using either azure, gcp, or aws - learn one (or more) of those and how they

First think about your target company type/industry - the majority of corps will be using either azure, gcp, or aws - learn one (or more) of those and how they deploy using code etc. Then think about that tools they use, in azure it will likely be ADF, Databricks, maybe Synapse. Languages, python, sql, python, python, sql, some scala, more python, more sql, then get a general understanding of a few different languages (c, typescript, c#, Java, kotlin). I’ve never seen a data engineering role asking for Rust/OCaml/Nim - I’m not saying they don’t exist but I’ve not seen them and I’ve rarely seen a data engineering role not asking for either python or scala.