hˈɪntdʒənz sˈɜːvd æz sˌiːˌiːˈoʊ ænd tʃˈiːf sˈɔftwɛɹ dɪzˈaɪnɚ fɔːɹ ˈaɪ mˈæɾɪks, ɐ fˈɜːm ðæt pɹədˈuːst fɹˈiː sˈɔftwɛɹ ˌæplɪkˈeɪʃənz, sˈʌtʃ ɐz ðə zˈiəɹoʊ ˌɛmkjˈuː hˈaɪ pɚfˈoːɹməns mˈɛsɪdʒ lˈaɪbɹɛɹi, ðɪ ˈoʊpən ˌeɪˌɛmkjˈuː ˈæmkp mˈɛsɪdʒɪŋ sˈɜːvɪs, lɪbˈɛɹoʊ, ðə dʒˌiːˌɛsˈɛl kˈoʊd dʒˈɛnɚɹˌeɪɾɚ, ænd ðə zɪtˈɑːmi wˈɛb sˈɜːvɚ.
Hintjens served as CEO and chief software designer for iMatix, a firm that produced free software applications, such as the ZeroMQ high performance message library, the OpenAMQ AMQP messaging service, Libero, the GSL code generator, and the Xitami web server.