Main Sequence Technology History

Main Sequence Technology History

Main Sequence Technology, Inc. is one of the world's most successful developers of applicant tracking and staffing software.

View Our Timeline
Main Sequence Technology


  • First version of ExecutiveBob software created which would eventually become PCRecruiter.

  • Main Sequence Technology incorporated and releases the first version of PCRecruiter.

  • Moved out of the Kubicek laundry room and into our first office space.

  • Resume Inhaler launches allowing batch importing of resumes into the database without reviewing them one by one, saving a ton of time.

  • First web-based version of PCRecruiter released. Company moved one block south to accommodate the growing staff.

  • Job Board updated.

  • Management Recruiters International – Best of Class Award.

  • Bill and Marty came up with the idea of PCR Portal in a hot tub time machine at a San Diego ERE Show.

  • Servicing over 52 countries and numerous languages.

  • Moved from second office space into current location at the K&D Corporate Campus.

  • Aloha! Hawaii office opens.

  • PCRecruiter Portal for Outlook released as a plugin integrating MS Outlook and PCRecruiter.

  • API released allowing developers to build custom applications from their PCRecruiter database.

  • PCR Version 9 released with an updated user interface, architecture, and functionality.

  • GDPR Released. Launched new website.

Affiliates & Partners