John O'Hara is an experienced software engineer and leader with a diverse background in ICT and social care technology. Currently serving as Principal Software Engineer at Arm since August 2025, John O'Hara optimizes Enterprise Java workloads for Arm CPU architectures. Prior experience includes a significant tenure at Red Hat from February 2012 to July 2025, where John O'Hara was the Senior Principal Software Engineer leading the performance team for Red Hat Application Services, contributing to performance improvements in Quarkus, and engaging in various projects within the JBoss Enterprise Middleware division. Additionally, John O'Hara held leadership roles in companies specializing in web application development and social care management systems, including Director at Appetite Deli and Managing Director at Alphanet Solutions Ltd. Notable early career contributions include roles at the Care Quality Commission and the Department of Health and Social Care, where John O'Hara developed crucial performance assessment tools and systems for social services. John O'Hara holds a BSc in Physics with Electronics from the University of Leeds, graduated in 2002.
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