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47 development intern jobs at 39 companies in Rialto, CA

3w
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Development/Construction Management Intern
Irvine, California, United States
OnsiteInternship
NorthPoint Development
NorthPoint Development: Develops and manages industrial and multi-family real estate assets.
Currently pursuing a bachelor\u0002s degree in civil engineering or construction management; strong communication, organization, attention to detail, and eagerness to learn; comfortable working independently and in teams.
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1mo
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Intern
Rancho Cucamonga, California, United States
OnsiteInternship
Hillside Community Church
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.
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2mo
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Business Development Lead, Manufacturing & Composites
San Clemente, California, United States
$110k-$135k/yr OnsiteFull Time
Swift Engineering
Swift Engineering: Aerospace engineering, advanced manufacturing, and unmanned systems solutions.
2+ YOEBachelor’s degree; 2+ years in business development in engineering/manufacturing/UAS; willing to domestic and international travel; strong aerospace knowledge; strong writing/presentation; collaborative.
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2mo
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Director, Business Development - International, Licensing & Wholesale
Anaheim, California, United States
$183k-$210k/yr OnsiteFull Time
Pacsun
Pacsun: Sells lifestyle apparel and accessories for teens and young adults.
8+ YOE8+ Mgmt8–12+ years in international business, wholesale, and/or licensing with proven revenue growth and partner management.
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1mo
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Operations Intern
Lake Forest, California, United States
$17-$18/hr OnsiteMultiple Commitments Available
CellCarta
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.
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1w
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Hydrogeology Intern
Lakewood, California, United States
$26-$28/hr FieldPart Time
Water Replenishment District of Southern California
Water Replenishment District of Southern California: Manages and protects groundwater resources for Southern Los Angeles County.
Enrolled full-time in a bachelor’s or graduate program in geology/hydrogeology or related field; able to work 10–24 hrs/week; experience with Microsoft Office; fieldwork and data analysis capabilities required.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, ArcGIS
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1mo
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Software Engineering Intern, Applications - Fall 2026
Irvine or Palo Alto
$38-$51/hr OnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies
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.
Kotlin, Android, Android Jetpack, Jenkins
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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
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.
C++, Go, Rust, Java, Python, Lattice OS
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2w
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Laboratory Intern - Semi-Volatiles
Orange, California, United States
$17/hr OnsitePart Time, Internship
Onterris
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.
Microsoft Excel
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2mo
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Firmware Engineer Intern
Irvine, California, United States
OnsiteInternship
Fluxergy
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.
C/C++, RTOS, Git, Embedded systems
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3d
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Brasstech
BrasstechNYSE: MAS: Manufacturer of premium kitchen and bathroom fixtures and accessories.
Mechanical or Industrial Engineering student; no experience necessary; experience with Microsoft Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office
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20h
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
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2mo
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Intern, Manufacturing Chemistry
Aliso Viejo, California, United States
$21-$34/hr OnsiteInternship
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Working toward a Bachelor’s or Master’s in Mechanical/Biomedical Engineering or related; interest/experience in process development; coursework in statistics and tooling design; SolidWorks a plus; computer skills in Word, Excel, PowerPoint; mechanical aptitude.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2w
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Beverage Application Intern (6 months)
Laguna Beach, California, United States
$17/hr OnsiteInternship
Symrise
SymriseFrankfurt Stock Exchange: SY1: Global supplier of fragrances, flavors, and cosmetic ingredients.
Pursuing BS/MS in Food Science, Biology, Chemistry or related; commute to Laguna Beach; basic lab equipment use; hazardous material awareness; strong time management and communication.
balances, pH meters, micropipettes
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1w
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Graduate Student Assistant Intern, I Am First Program
Fullerton, California, United States
$21/hr OnsitePart Time
CSU Fullerton Auxiliary Services Corporation
CSU Fullerton Auxiliary Services Corporation: Manages commercial services and grants for Cal State Fullerton.
Current graduate student in relevant MS/MA program, interest in first-generation student issues, available 20 hrs/week, commit Fall 2026–Spring 2027, coursework in counseling/student development preferred.
Canvas, Microsoft Excel, Fully Engaged, WISR, Titan Pro Net
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1w
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Web Developer Intern
Pasadena, California, United States
OnsiteInternship
Expatiate Communications
Expatiate Communications: Provides special education management and therapeutic services to school districts.
Pursuing or recently completed relevant degree; basic OOP and web fundamentals; familiarity with HTML/CSS/JavaScript; eagerness to learn full-stack, databases, version control, and cloud; Live Scan and TB clearance required.
C#, .NET, HTML, CSS, JavaScript, React, Svelte, Microsoft SQL Server, Azure SQL, MongoDB, Postman, Swagger, JWT, Git, GitHub, GitHub Actions, Microsoft Azure, Figma
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2mo
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Chemistry Co-Op Student Intern – Chemistry Compliance Team #705072323
Pomona, California, United States
$20/hr OnsiteInternship
Cal Poly Pomona Foundation
Cal Poly Pomona Foundation: Auxiliary organization providing support services for Cal Poly Pomona.
Currently enrolled in a 4-year Chemistry/Environmental Sciences or related science program; min GPA 2.5; sophomore or junior with ~2 years to graduation.
LIMS, Windows, Laboratory equipment, Chemistry techniques
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3mo
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Executive Medical Director, Immunology Clinical Development - Respiratory/Pulmonary
Irvine, California, United States
$234k-$444k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
5+ YOE2+ MgmtMD/DO or international equivalent; 5–7 years clinical trial leadership; strong cross-functional leadership; English fluency.
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3d
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Masco
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical or Industrial Engineering student; no prior experience necessary; experience with MS Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office
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2d
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Sales Engineer Intern
Santa Fe Springs, California, United States
$20/hr OnsitePart Time, Internship
RD Rubber Technology Corporation
RD Rubber Technology Corporation: Manufacturer of custom precision molded rubber components.
Open to engineering majors; strong written/verbal communication, market research, business development, MS Office proficiency, organized, results-driven; available 15–25 hrs/week.
Microsoft Office
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