Add our Developer Experience Engineer career opportunity to the README #103

Author: mptap

README.md

@@ -11,6 +11,7 @@
 If you are looking for the SendGrid API client library, please see [this repo](https://github.com/sendgrid/sendgrid-ruby).
 
 # Announcements
+**NEW:** If you're a software engineer who is passionate about #DeveloperExperience and/or #OpenSource, [this is an incredible opportunity to join our #DX team](https://sendgrid.com/careers/role/1421152/?gh_jid=1421152) as a Developer Experience Engineer and work with [@thinkingserious](https://github.com/thinkingserious) and [@aroach](https://github.com/aroach)! Tell your friends :)
 
 All updates to this library is documented in our [CHANGELOG](https://github.com/sendgrid/ruby-http-client/blob/master/CHANGELOG.md).
 
@@ -98,4 +99,4 @@ ruby-http-client is guided and supported by the SendGrid [Developer Experience T
 ruby-http-client is maintained and funded by SendGrid, Inc. The names and logos for ruby-http-client are trademarks of SendGrid, Inc.
 
 # License
-[The MIT License (MIT)](LICENSE.txt)
+[The MIT License (MIT)](LICENSE.txt)