John Jason Calleja currently works as a Media Researcher at Innodata Inc. Prior to this, John Jason worked as an EGM Technician in the leisure/gaming sector and also has experience as a Freelance IT/Technician. John Jason previously held positions as a Technician and Account Supervisor at De'cove Investment Ltd, where John Jason handled various machines and supervised accounts. Before that, John Jason was a Field Inspector at DPWH, where John Jason was involved in surveying and logging book working activities. In addition to their professional experience, John Jason also engages in online job freelancing.
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