Jonathan Ma
YouTuber
Jonathan Ma, known online as Joma, is a Canadian YouTuber, software engineer and former data scientist. On his YouTube channel, Joma Tech, he makes comedy sketches about working in the tech industry; it had about 2.35 million subscribers in October 2026.
Education and career
Ma grew up in Quebec and studied computer science at the University of Waterloo in Ontario, graduating in 2017. Through Waterloo's co-op programme he worked as an intern at Scotiabank, Citadel, LinkedIn, Facebook and Microsoft. His first full-time job was as a data scientist at BuzzFeed. He then joined Facebook as a data scientist on its video creators team, and his YouTube channel took off while he worked there. He left Facebook in March 2019 and later worked as a software engineer at another large tech company.
Other work
In 2020 Ma launched JomaClass, a subscription course of weekly classes in programming fundamentals. He ran a "lofi beats to code to" livestream on YouTube from October 2020 and has also streamed on Twitch. After almost three years away from YouTube, he returned in September 2025.
Jonathan Ma’s social media accounts
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