Add bytewax Rust job posting.

Author: whoahbot

draft/2021-10-20-this-week-in-rust.md

@@ -182,6 +182,11 @@ Email the [Rust Community Team][community] for access.
 
 *Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
 
+**Bytewax**
+
+* [Senior Software Engineer (Remote)](https://bytewax.notion.site/Senior-Software-Engineer-9d83531eb0704afd8f323e4080e0d620)
+
+
 # Quote of the Week
 
 > Rust is the language where you get the hangover first.