Callum D. is an accomplished Engineering Manager currently leading initiatives at Checkout.com since October 2025, with prior experience managing engineering teams at Spendesk from May 2022 to October 2025. At Spendesk, Callum D. directed the KYC & AML squad, focusing on enhancing customer security with minimal friction, while promoting a culture of ownership and collaboration. Previously, Callum D. served as a Tech Lead at Spendesk, overseeing complex projects and championing code quality and release velocity. Earlier roles include Senior Software Engineer at Compare the Market, where responsibilities included improving test quality and mentoring junior engineers, as well as various positions in software development at Mondago Ltd and Pebble Ltd. Callum D. began the professional journey in web development as an apprentice.
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