Add a link to our jobs in 'Contributing' section

Co-authored-by: MikeBirnstiehl <michael.birnstiehl@sonarsource.com>

README.md

@@ -36,6 +36,8 @@ With that in mind, if you would like to submit a code contribution, please creat
 
 Make sure that you follow our [code style](https://github.com/SonarSource/sonar-developer-toolset#code-style) and all tests are passing (Travis build is executed for each pull request).
 
+Willing to contribute to SonarSource products? We are looking for smart, passionate, and skilled people to help us build world-class code quality solutions. Have a look at our current [job offers here](https://www.sonarsource.com/company/jobs/)!
+
 Building
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