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Java internships in California
As of November 12, 2026, Intern Insider listed 259 open internships in California that mention Java, from 87 companies. The listings that mention Java are Software Engineering, Data Science & Analytics and Science & Research roles at employers such as TikTok, Meta and Tesla. 258 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.
259 open roles · showing the 60 most relevant · 19 companies · 20 added this week
TikTok25 open
- Software Engineer - Intern (TikTok BRIC)San Jose, California
- Security Software Engineer Project Intern (Product Security)San Jose, California
- Software Engineer Project Intern (Content AI Infrastructure)San Jose, California
- Software Engineer Project InternSan Jose, California
- Software Engineer Intern (Recommendation Infrastructure)San Jose, California
- Software Engineer Project InternSan Jose, California
- Backend Software Engineer Intern (Creation Platform)San Jose, California
- Software Engineer Intern (Media Engine)San Jose, California
- Software Engineer Intern (Foundation Platform)San Jose, California
- Machine Learning Engineer InternSan Jose, California
- AI software Engineer Project Intern (Transaction Platform)San Jose, California
- Software Engineer Intern (Recommendation Architecture, Feeds Infrastructure)San Jose, California
- Software Engineer Intern (Recommendation Infra, Performance Efficiency)San Jose, California
- Solutions Engineer InternSan Jose, California
- Software Engineer Intern (TikTok Search Architecture)San Jose, California
- Machine Learning Engineer InternSan Jose, California
- Software Engineer Intern (Recommendation Infra, Performance Efficiency)San Jose, California
- Software Engineer Intern (Recommendation Architecture, Feeds Infrastructure)San Jose, California
- Software Engineer Intern (TikTok Search Data Infra)San Jose, California
- Machine Learning Engineer InternSan Jose, California
- Fullstack Software Engineer Intern (Global E-Commerce)San Jose, California
- Software Engineer Intern (Ads Infrastructure)San Jose, California
- Software Engineer Intern (Ads Measurement Signal and Privacy)San Jose, California
- Software Engineer Intern (Business Integrity)San Jose, California
- Machine Learning Engineer Intern (TikTok-Data-Search-Basic Ranking)San Jose, California
Meta8 open
- Research Scientist Intern, AI Core Machine Learning (PhD)Sunnyvale, California
- Research Scientist Intern, AI Agents and Machine LearningSunnyvale, California
- Research Scientist Intern, Monetization Ranking & AI FoundationsSunnyvale, California
- Research Scientist Intern, GenAI SafetyMenlo Park, California
- Research Scientist Intern, Ads QualityMenlo Park, California
- Research Scientist Intern, FM Quality MLMenlo Park, California
- Research Scientist Intern PhD, PAR Safety Evals and Red TeamingMenlo Park, California
- Research Scientist Intern, Video RecSysMenlo Park, California
PayPal7 open
- Software Engineer InternSan Jose, California
- Mobile Engineer InternSan Jose, California
- Machine Learning Engineer InternSan Jose, California
- Cybersecurity InternSan Jose, California
- Mobile Engineer InternSan Jose, California
- Software Engineer InternSan Jose, California
- Machine Learning Engineer InternSan Jose, California
Lockheed Martin2 open
SEPHORA1 open
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As of November 12, 2026, Intern Insider listed 259 open internships in California that mention Java, from 87 companies.
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