David O'Keeffe is a seasoned software engineer with extensive experience in the technology sector. David worked at Twilio from April 2019 to May 2021, initially as a Software Engineer 2 and later as a Senior Software Engineer, and currently holds the position of Staff Software Engineer since April 2023. Prior to Twilio, David contributed to Cellusys from April 2015 to April 2019, focusing on Kafka Streams, Elasticsearch, Clojure, Clojurescript, and Docker while developing software applications and analytics systems. David also served as a First Year Programming Tutor at Dublin City University from September 2013 to May 2014, providing guidance in Java programming and grading assignments. David holds a B.Sc in Computer Applications from Dublin City University, awarded in 2016.
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