Job Functions, Duties, Responsibilities and Position Qualifications:Sonic Healthcare USA is the largest medical laboratory in the world and third largest in the United States. As a company, we are shifting our focus to be a competitive player in technology. As part of this effort, we have created a web application called LabIS that will be the gold standard for workflow and information management in all of our lab operations. The Senior Rails Developer is part of the LabIS team.LocationsDallas, TXAustin, TXRe