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Rule Developer for American English

LanguageTooler is the company behind and, popular spelling, grammar, and style checkers. We proofread more than 1,000,000 texts a day.

We’re looking for a Rule Editor for American English, 20 to 40 hours/week

Your tasks

  • write new error detection rules for mistakes people make when writing English
  • write new style suggestion rules to help people improve their writing
  • test your new rules and existing ones, and improve them
  • give your input to the English rule developer team from a North American linguistic and cultural perspective


  • excellent command of American English (native speaker: US or Canada)
  • willingness to learn the syntax and technology needed to write error detection rules
  • excellent feeling for the finer points of language

Why should you apply?

  • set your own working hours
  • work from home
  • help improve software that is used by hundreds of thousands of people each day

Interested? Please send your questions or your application .

LanguageTooler GmbH
Karl-Liebknecht-Str. 21/22
14482 Potsdam