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111 development intern jobs at 88 companies in Fontana, CA

2w
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Business Development Intern
New York City or Georgia or California or San Francisco or Turkey or Los Angeles or Dallas or Miami
RemoteFull Time, Internship
Immigrant Invest
Immigrant Invest: A provider of migration and investor services focused on partnership-driven business development.
Final-year student or recent graduate in business-related field; internship or part-time sales/partnerships experience helpful; CRM familiarity; professional English (C1); proactive and analytical.
Salesforce, HubSpot, Pipedrive, CRM
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3mo
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Creature Shop Business Development Intern
Los Angeles or Burbank
OnsiteInternship
The Jim Henson Company
The Jim Henson Company: Produces film, television, and animatronics entertainment content.
College student in the US; 16 hours/week; unpaid; strong writing, social media, and research skills; on-site in Hollywood/Burbank; Canva experience preferred.
Canva, Microsoft Word
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1mo
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Corporate Development Intern (Fall 2026)
Los Angeles or New York
$25/hr OnsitePart Time, Internship
Houlihan Lokey
Houlihan LokeyNYSE: HLI: Provides global investment banking and financial restructuring advisory services.
Junior or senior bachelor’s student in finance/accounting/economics; basic financial modeling; strong Excel, PowerPoint, Word skills; analytical, written and verbal communication; self-starter; interest in investment banking or corporate development.
Salesforce, Pitchbook, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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2mo
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Affordable Housing Development Intern
Los Angeles, California, United States
$20/hr OnsiteFull Time
Faith and Community Empowerment
Faith and Community Empowerment: Empowering Asian Americans through housing counseling and leadership development.
Current graduate student or recent graduate in Urban Planning, Real Estate Development, Architecture, or related field; able to read site plans; familiar with affordable housing components (LIHTC, vouchers); strong communication; self-starter.
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1mo
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Corporate Development Intern (Summer 2027)
Los Angeles or New York City
$25/hr OnsitePart Time, Internship
Houlihan Lokey
Houlihan LokeyNYSE: HLI: Global investment bank providing financial advisory and restructuring services.
Junior or senior in a Bachelor's program (Finance, Accounting, or Economics); proficient in Microsoft Excel, PowerPoint, Word; experience with Salesforce and Pitchbook preferred; basic financial modeling and accounting knowledge; strong communication and work ethic.
Salesforce, Pitchbook, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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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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2w
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Hospitality Business Development Internship, Remote
Los Angeles, California, United States
RemotePart Time, Temporary
LAZ Parking
LAZ Parking: Provides comprehensive parking management and facility operational services.
Entry-level internship supporting lead generation, market research, sales outreach; strong communication, Microsoft Office proficiency, CRM use, willingness to learn; bachelor's preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, CRM
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1mo
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Hospitality Business Development Internship, Remote
Los Angeles, California, United States
RemoteMultiple Commitments Available
LAZ Parking
LAZ Parking: Provides parking management, valet, and shuttle transportation services.
Support lead generation and market research; strong written/verbal communication; proficiency with Microsoft Office; analytical skills; bachelor's degree preferred; prior internship or related experience preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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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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3w
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AI-First Engineering Intern
Los Angeles, California, United States
$20-$25/hr OnsiteInternship
Xsolla
Xsolla: Provides payment and monetization tools for game developers.
Experience using agentic AI coding tools, full-stack development comfort, proof-of-work portfolio (GitHub or deployed projects), currently a CS/software student or recent graduate, strong initiative and communication.
Claude Code, Cursor, Copilot, GitHub, APIs, SDKs, Loom
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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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2mo
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Project Development Associate
Los Angeles or San Francisco
$225k-$435k/yr OnsiteFull Time
Latham & Watkins
Latham & Watkins: Global law firm providing legal counsel to businesses.
Mid-level or senior associate with experience representing US and/or international energy and infrastructure clients on project development transactions.
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2mo
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Business Development Manager - Electronics
Remote or Los Angeles or San Francisco or Denver or Atlanta or Chicago or Detroit or Madison Heights or New York or Dallas
$120k-$145k/yr RemoteFull Time
Henkel
HenkelXETRA: HEN3: Manufactures laundry, beauty, and adhesive products globally.
5+ YOEBachelor’s degree required; MBA preferred. 5+ years in electronics/electrification industry with applications and market trends experience. Strong networking, negotiation, and project leadership skills. Ability to travel up to 30% (including international).
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1mo
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Design Intern
Los Angeles, California, United States
$20/hr OnsiteInternship
Guess
GuessNYSE: GES: Designs and retails contemporary fashion apparel and accessories worldwide.
0+ YOEBachelor's degree required; 0-2 years experience. Assist with office tasks, create functional CADs, work cross-functionally with product development, tech design, and merchandising, and meet design deadlines.
CADS
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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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2w
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Director, Business Development & Strategy - Global Content Sales (Hybrid + Remote Options Available)
New York City or Los Angeles or Chicago or Stamford or California or Connecticut or Florida or Georgia or Illinois or Indiana or Maryland or Massachusetts or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or New York or North Carolina or Oregon or South Carolina or South Dakota or Texas or West Virginia or Wisconsin or Wyoming
$160k-$187k/yr HybridFull Time
A+E Global Media
A+E Global Media: Operates global media brands and produces original multi-platform content.
7+ YOELead business development for international FAST and digital content distribution; build partnerships, perform financial modeling, and deliver executive recommendations.
Microsoft Excel, PowerPoint
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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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