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C# internships in California
As of November 11, 2026, Intern Insider listed 43 open internships in California that mention C#, from 31 companies. The listings that mention C# are Software Engineering, Data Science & Analytics and Electrical Engineering roles at employers such as KLA, Applied Materials and AV. None of these listings is marked remote. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
43 open roles · 31 companies · 4 added this week
KLA5 open
Applied Materials2 open
AV2 open
L3Harris Technologies2 open
MACOM2 open
Radiant2 open
Tesla2 open
x.ai2 open
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As of November 11, 2026, Intern Insider listed 43 open internships in California that mention C#, from 31 companies.
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