Summer 2027 internships in California
973 open postings from 210 employers. TikTok (101), Waymo (60) and Astranis (38) have posted the most. The most are in San Jose, CA (177), San Francisco, CA (154) and Los Angeles, CA (82). The biggest groups are Hardware (259), Software (218) and Data (200). The fields their titles name most are engineering (463), software engineering (199) and AI and machine learning (144). 1 is listed as remote. The list is read daily from company career pages and public internship lists, so closed roles drop off.
Start free 973 open postings · updated daily
Page 15 of 20 · newest first
- Additive Manufacturing Intern Summer 2027Rocket Lab USALong Beach, CASummer 2027
- Summer 2027 Internship- Supply ChainPacific FusionSan Leandro, CASummer 2027
- Summer 2027 Internship- Software EngineeringPacific FusionSan Leandro, CASummer 2027
- Summer 2027 Internship - Electrical EngineeringPacific FusionSan Leandro, CASummer 2027
- Summer 2027 Internship- Mechanical EngineeringPacific FusionSan Leandro, CASummer 2027
- Summer 2027 Internship-Manufacturing EngineeringPacific FusionSan Leandro, CASummer 2027
- Simulation Software Engineering Intern - Summer 2027K2 SpaceLos Angeles, CASummer 20273 months
- Mechanical Engineering Intern, Summer 2027Michael Baker InternationalSan Diego, CASummer 2027
- Summer Associate Internship (Member Associate - Navy Federal Investment Services)Navy FederalSan Diego, CASummer 202712 weeks
- Technical Support Engineering Intern - Summer 2027VerkadaSan Mateo, CASummer 2027
- Machine Learning Engineer InternCoinbaseSan Francisco, CASummer 202712 weeks
- Data Engineer InternCoinbaseSan Francisco, CASummer 202712 weeks
- User Research InternCoinbaseSan Francisco, CASummer 202712 weeks
- Product Design InternCoinbaseSan Francisco, CASummer 202712 weeks
- Associate Product Manager InternCoinbaseSan Francisco, CASummer 202712 weeks
- Software Engineer InternCoinbaseSan Francisco, CASummer 202712 weeks
- Summer 2027 Intern - Financial Analyst - Undergraduate & MBAWestern DigitalSan Jose, CASummer 2027
- Summer 2027 - Software Engineer InternShield AISan Diego, CASummer 2027$37–$97/hr
- Site Reliability Engineer Intern — Summer 2027GallupSan Francisco, CASummer 2027
- Real Estate Intern (Summer 2027)ZiplineSouth San Francisco, CASummer 2027
- Software Engineering Intern - Summer '27VercelSan Francisco, CASummer 2027
- Summer Intern 2027 - General ProgramID.meMountain View, CASummer 2027
- Summer Intern 2027 - Product InternID.meMountain View, CASummer 2027
- 2027 Management and Sales Summer Internship (Sacramento)Sherwin WilliamsSacramento, CASummer 2027
- 2027 Management and Sales Summer Internship (Bay Area)Sherwin WilliamsWalnut Creek, CASummer 2027
- Summer Associate Intern - Corporate Finance - Quantitative Finance and EconomicsErnst & YoungSan Francisco, CASummer 2027
- Hardware, Electrical Validation and Product Engineering Intern - ValidationSolidigmRancho Cordova, CASummer 2027
- Software Development & Firmware Engineering InternSolidigmRancho Cordova, CASummer 2027
- Hardware & Product Development Engineering InternSolidigmRancho Cordova, CASummer 2027
- Software Engineering Intern - Firmware & AI EngineeringSolidigmRancho Cordova, CASummer 2027
- Software Development & Firmware Engineering Intern - Multiple TeamsSolidigmRancho Cordova, CASummer 2027
- Electrical Engineering Internship (Summer 2027)AMCAEl Segundo, CASummer 202710 weeks
- Mechanical Engineering Intern (Summer 2027)AMCAEl Segundo, CASummer 2027
- Software Engineer InternJuiceboxSan Francisco, CASummer 202712 weeks$60 per hour
- Aircraft Software Integration Intern (Summer 2027)ZiplineSouth San Francisco, CASummer 2027
- Flight Test Intern - Summer 2027SkydioSan Mateo, CASummer 2027
- Product Design Engineer Intern - Summer 2027SkydioSan Mateo, CASummer 2027
- Software Engineering Intern (Summer 2027)Scale AISan Francisco, CASummer 2027
- Firmware Engineer InternMarvellSanta Clara, CASummer 2027
- Functional Validation InternMarvellSanta Clara, CASummer 2027
- 2027 Summer Intern, MS, Software Engineering, Behavior TestWaymoSan Francisco, CASummer 2027
- Summer Intern 2027 - Software Development Engineer InternID.meMountain View, CASummer 2027
- Product Design, Intern (Summer 2027)DoorDashSan Francisco, CASummer 202712 weeks
- AI Governance Strategy Product Manager Intern - Platform Trust and EcosystemTikTokSan Jose, CASummer 2027
- Launch & Scale Intern (Summer 2027)ZiplineSouth San Francisco, CASummer 2027
- Summer 2027 Internship - Supply ChainGeneral MatterLos Angeles, CASummer 2027
- Summer 2027 Internship - Civil EngineeringGeneral MatterLos Angeles, CASummer 2027
- Summer 2027 Internship - Embedded Software EngineeringGeneral MatterLos Angeles, CASummer 2027
- [Summer 2027] Product Management InternRobloxSan Mateo, CASummer 2027
- [Summer 2027] Product Design InternRobloxSan Mateo, CASummer 2027
Summer 2027 internships in California by employer
- TikTok 101
- Waymo 60
- Astranis 38
- Zipline 33
- ByteDance 30
- Rocket Lab USA 21
- General Motors 20
- Marvell 19
- NVIDIA 18
- Applied Materials 17
- Muon Space 15
- PIMCO 15
- Varda Space 15
- RTX 14
- Stantec 14
- General Matter 12
- Antares Nuclear 11
- Target 11
- AMCA 10
- Lawrence Livermore National Laboratory 10
- Skydio 10
- Astera Labs 9
- HP IQ 9
- JLL 9
Summer 2027 internships in California by role
Summer 2027 internships in California by field
- Engineering 463
- Software engineering 199
- AI and machine learning 144
- Research 64
- Hardware engineering 59
- Electrical engineering 32
- Data science 29
- Mechanical engineering 29
- Product management 28
- Aerospace engineering 25
- Cybersecurity 21
- Robotics 21
- Supply chain and logistics 19
- Business 18
- Cloud and DevOps 15
- Sales 15
- Manufacturing engineering 14
- Tax 14
Summer 2027 internships in California by city
Summer 2027 internships in other states
- New York 409
- Texas 398
- Ohio 267
- Illinois 264
- Massachusetts 187
- Florida 171
- Virginia 162
- Pennsylvania 157
- North Carolina 155
- Washington 153
- Colorado 144
- Michigan 143
- Tennessee 141
- Minnesota 131
- Wisconsin 124
- Georgia 123
- Iowa 120
- Arizona 80
- New Jersey 76
- Connecticut 71
- Missouri 71
- Indiana 69
- Maryland 56
- South Carolina 49
- Kansas 42
- Utah 42
- Alabama 32
- Arkansas 32
- Kentucky 32
- Idaho 22
Internships in California for other terms
Widen the search
Don't apply to Summer 2027 internships in California one at a time.
Use Auto Apply for matching roles, up to your daily cap. OfferAIO fills forms from your profile, tells you when a new posting opens, and keeps every interview and contact in one place. 5 free Auto Applies total. No card, no daily reset. Premium is $20/month, or the Season Pass is $49 once for about 4 months (120 days) with no auto-renew. Both include unlimited applications and Auto Apply. Auto Apply queues new matches up to the daily cap you set, at most 100 a day. Pause or cancel queued applications anytime.
Start free