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    JavaScript internships in California

    As of November 11, 2026, Intern Insider listed 131 open internships in California that mention JavaScript, from 74 companies. The listings that mention JavaScript are Software Engineering, Data Science & Analytics and Data & Software Engineering (Infra) roles at employers such as TikTok, Tesla and Booz Allen Hamilton. 130 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
    131 open roles · showing the 60 most relevant · 35 companies · 21 added this week
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    TikTok logoTikTok14 open

    SEPHORA logoSEPHORA4 open

    Meta logoMeta3 open

    NVIDIA logoNVIDIA3 open

    PayPal logoPayPal3 open

    University Enterprises, Inc. logoUniversity Enterprises, Inc.3 open

    MongoDB logoMongoDB2 open

    Adobe logoAdobe1 open

    AfterQuery logoAfterQuery1 open

    Amazon logoAmazon1 open

    American Express logoAmerican Express1 open

    Art of Problem Solving logoArt of Problem Solving1 open

    ASML logoASML1 open

    Axos Bank logoAxos Bank1 open

    Booz Allen Hamilton logoBooz Allen Hamilton1 open

    Crustdata (YC F24) logoCrustdata (YC F24)1 open

    IBM logoIBM1 open

    K1 Investment Management logoK1 Investment Management1 open

    KLA logoKLA1 open

    Litmus logoLitmus1 open

    Lockheed Martin logoLockheed Martin1 open

    Markel logoMarkel1 open

    Marvell Technology logoMarvell Technology1 open

    NBCUniversal logoNBCUniversal1 open

    OpenArt AI logoOpenArt AI1 open

    PTC logoPTC1 open

    Roche logoRoche1 open

    San Diego State University logoSan Diego State University1 open

    ServiceNow logoServiceNow1 open

    Shield AI logoShield AI1 open

    SK hynix memory solutions America Inc. logoSK hynix memory solutions America Inc.1 open

    Sonauto (YC W24) logoSonauto (YC W24)1 open

    Streamable logoStreamable1 open

    Tesla logoTesla1 open

    Western Digital logoWestern Digital1 open

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    As of November 11, 2026, Intern Insider listed 131 open internships in California that mention JavaScript, from 74 companies.

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