83 developer intern jobs at 66 companies in Perris, CA
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Firmware Engineer Intern
Irvine, California, United States
OnsiteInternship
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
0+ YOEEnrollment in a Bachelor’s or Master’s program; 30-40 hours/week; proficiency in C/C++; RTOS exposure; strong problem-solving and communication skills.
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yrOnsiteInternship, Full Time
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
Seeking a professional, detail-oriented, eager-to-learn intern to support Operations, Financial Planning, Client Service, Marketing, Business Development, Compliance, and Administration.
Amphenol CITNYSE: APH: Designs and manufactures high-performance wire, cable, and interconnect solutions.
0+ YOE0-1 years engineering/CI experience; Lean/manufacturing knowledge; EHS awareness; Bachelor's in Engineering; strong communication; MS Office and Minitab skills.
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical/Industrial engineering student; Microsoft Office proficiency; CREO a plus; good communication; intermediate math; able to lift up to 20 lbs; legally authorized to work in the U.S.
Microsoft Outlook, Microsoft Word, Microsoft Excel, CREO
Hillside Community Church: Religious institution providing worship services and community programming.
Internship providing ministry training and leadership development; plan and execute events, foster community connections; 10–20 hours/week from late Aug 2026 to early May 2027.
One-Cycle Control: Manufacturer of high-performance power electronics and conversion technology.
US citizen or Green Card required; ability to read work orders, follow instructions, good communication, attention to detail; minimum 16 hours/week; background check and drug test possible.
CellCarta: Provides precision medicine laboratory services for drug development.
College student pursuing a degree (biology/lab science/medicine preferred); follows SOPs to digitize and file biological samples and documentation; attention to detail; ability to lift up to 20 lbs; 20–30 hrs/week, temporary 6 months.
LISI AerospaceEuronext Paris: FII: Manufactures high-performance fasteners and metal components for aircraft.
Actively pursuing a BS in Mechanical or Manufacturing Engineering; CAD and Solid Works proficiency; advanced Microsoft Word/Excel/Access skills; ability to lift up to 25 lbs; HSE and safety compliance.
Solid Works, Microsoft Word, Microsoft Excel, Microsoft Access, CAD
Regal Technology Partners: Manufacturer of mission-critical electronic systems for aerospace and defense.
Currently pursuing a Bachelor's in engineering, knowledge of manufacturing processes and lean principles, proficiency with Microsoft Office, strong analytical and problem-solving skills, ability to stand and lift up to 25 lbs.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
BrasstechNYSE: MAS: Manufacturer of premium kitchen and bathroom fixtures and accessories.
Mechanical/Industrial engineering student; strong communication; Microsoft Office; CREO a plus; ability to design fixtures; legal work authorization; occasional lifting to 20 lbs.
Microsoft Outlook, Microsoft Word, Microsoft Excel, CREO
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
Enrolled in an accredited engineering curriculum (typically 1+ year completed). Responsibilities include roadway design, construction documents, quantity takeoffs, and field surveys.
Software Engineering Intern, Applications - Fall 2026
Irvine or Palo Alto
$38-$51/hrOnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle software, connectivity, and infotainment solutions for electric vehicles.
Must be an enrolled Bachelor's or Master's student; proficiency in Kotlin and Android (Android Jetpack) required; Android app development experience and Jenkins (CI) preferred.
City of Lake Forest: Providing municipal services to the Lake Forest community in California.
Part-time internship in Economic Development providing training and work experience; candidates in college (junior/senior), recent graduates, or graduate students encouraged; experience or interest in business attraction, marketing, social media, and event coordination preferred.
OnterrisNYSE: ONT: Global provider of environmental consulting, testing, and remediation services.
Currently enrolled university student with high school diploma, basic lab techniques, Excel skills, able to follow directions, lift up to 50 lbs, and work safely with acids/solvents.
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Pursuing a Bachelor’s or Master’s in Business, Engineering, Analytics or related; strong analytical and communication skills; MS Office with Excel emphasis; ability to work cross-functional; eligible to work in the U.S. without visa sponsorship.
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
3+ YOEBS/MS/PhD in CS/EE or similar; 3+ years relevant experience for BS (0+ for MS/PhD); strong in C/C++, Golang, Python; deep Linux/Unix internals; containerization and Kubernetes experience; strong communication skills.
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$50k-$174k/yrOnsiteFull Time
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
Breg: Manufactures orthopedic bracing and cold therapy rehabilitation products.
Currently pursuing a relevant Bachelor's degree; experience with LMS, instructional technology, or content development preferred. Requires proficiency with Microsoft Outlook, Word, Excel, PowerPoint, and Copilot; strong organization and project management skills.
LMS, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Copilot, Microsoft SharePoint, SCORM, ChatGPT, Claude