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David Challoner is an experienced quality assurance professional with a career spanning over 20 years in various pivotal roles. Currently serving as QA Lead at mx51 since March 2020, David has previously held positions including Senior Quality Assurance Engineer and POS QA Lead at Assembly Payments from May 2018 to March 2020. Earlier experience includes a tenure as Test Analyst at Viator from September 2007 to January 2018, Quality Assurance Analyst at Adstream from October 2005 to September 2007, and Web & Quality Assurance Analyst at Ticketek for a brief period in 2005, along with serving as Testing Coordinator / Web Content Specialist at Ticketek between October 2003 and November 2004. David's extensive background highlights a strong commitment to ensuring quality and excellence in software development and testing.