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31 development intern jobs at 24 companies in Escondido, CA

1mo
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Development Intern
San Diego, California, United States
OnsiteInternship, Part Time
American Lung Association
American Lung Association: Fights for lung health through research, education, and advocacy.
Unpaid internship (10–15 hrs/week) requiring college credit eligibility; working toward a bachelor's in a related field; Microsoft Office proficiency; strong writing, multitasking, and communication skills; ability to lift 25 lbs; tobacco abstinence required.
Microsoft Office Suite, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft OneDrive, Microsoft Publisher
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1mo
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Training and Development Intern
Carlsbad, California, United States
$25-$30/hr OnsiteMultiple Commitments Available
Breg
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
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1w
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Business Development Intern
California or San Diego or Raleigh or United States or Europe or Asia
$20-$30/hr RemoteInternship, Part Time
Endpoint Clinical: Provides interactive response technology for clinical trial management.
Pursuing a related degree; sales/marketing internship experience preferred; strong communication, research, organization, and CRM skills; ability to work 20-30 hours/week remotely.
PULSE®, Salesforce, SalesQL, Global Data
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3w
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Quantum Ecosystems & Workforce Development Research Intern
San Diego, California, United States
$25-$30/hr OnsiteFull Time, Internship
Quantum Design
Quantum Design: Manufactures automated materials characterization and scientific measurement systems.
Currently pursuing a bachelor’s degree in a related field; strong research and analytical skills; proficiency with Microsoft Excel and PowerPoint; experience with Salesforce and Canva preferred; able to manage multiple projects and deadlines.
Microsoft Excel, Microsoft PowerPoint, Salesforce, Canva
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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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23h
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INTERN - Puri Lab
San Diego, California, United States
OnsiteInternship
Sanford Burnham Prebys
Sanford Burnham Prebys: Conducts biomedical research to discover treatments for human diseases.
Introductory laboratory skills in DNA manipulation, RNA extraction, PCR, cell culture, immunofluorescence, pipetting, sample handling; knowledge of lab safety, research ethics, and experimental design.
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2mo
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Research Intern
Carlsbad or New York
OnsiteFull Time, Internship
Gemological Institute of America
Gemological Institute of America: Provides gemstone grading, gemology education, and scientific research services.
Actively enrolled in a bachelor’s or graduate degree program; gemology or related science preferred.
MS Office
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2mo
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Global Development Lead, Internal Medicine, Sr. Director (non-MD)
Collegeville or La Jolla or Bothell or Pearl River or New York City or Cambridge or Groton or United Kingdom or Walton Oaks or Collegeville
$215k-$358k/yr HybridFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
8+ YOEPhD or PharmD; 8+ years in clinical development (Phase 1-3); expertise in weight management or internal medicine; strong leadership and communication.
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1mo
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Sustaining Lab Intern
San Diego, California, United States
$22-$24/hr OnsiteInternship
Veracyte
VeracyteNASDAQ: VCYT: Provides genomic diagnostic tests for precise cancer diagnosis.
Currently enrolled college student (sophomore+); lab experience preferred; ability to handle biological specimens, perform nucleic acid extraction and library prep, do data entry (Freezer Management System); strong communication and organizational skills; available M–F 8:00–5:00.
Next Generation Sequencing (NGS), microarray technologies, Freezer Management System
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3w
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INTERN RESEARCH - Zwick Lab
La Jolla, California, United States
$18-$20/hr OnsitePart Time, Internship
Scripps Research
Scripps Research: Conducts biomedical research and develops novel drug therapies.
Currently enrolled student (high school, associate, bachelor, or master); supporting basic lab maintenance, preparing media/solutions, and assisting experiments; part-time up to 19 hrs/week.
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2mo
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Software Engineer Intern (2026 Summer)
San Diego, California, United States
$5k-$7k/mo OnsiteInternship
Whova
Whova: All-in-one platform for event management and attendee engagement.
Currently enrolled as a junior/senior, master’s, or doctoral student in a computer science/engineering field; strong understanding of data structures, algorithms, and computer systems.
JavaScript, TypeScript, HTML, CSS, REST APIs, Front-end development, Back-end development
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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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Business Development Manager - RTS International
Mexico City or Guadalajara or Tijuana
FieldContract
Shamrock Trading Corporation: Providing transportation logistics, financial services, and fleet technology solutions.
5+ YOEBachelor's degree and 5+ years business development experience; experience selling in Mexico, native Spanish and business English, strong sales and relationship skills, Microsoft Office proficiency.
Microsoft Office
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2mo
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Associate Director of Development, University Advancement
San Marcos or United States
$7k-$7k/mo HybridFull Time
California State University
California State University: Public university system providing higher education and academic research.
Fundraising and donor relations leadership; manage a donor pipeline; data-informed portfolio management; collaboration with internal/external partners.
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1mo
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Software Engineer Intern
San Diego, California, United States
$24-$39/hr HybridFull Time, Internship
Sony
SonyNYSE: SONY: Sells consumer electronics, video games, and entertainment media.
Currently enrolled undergraduate or graduate student in software engineering or related field; experience with Golang, Rust, NodeJS, MySQL, Vue, React; familiarity with Linux and shell; AWS, Docker, and CI/CD experience preferred.
Golang, Rust, NodeJS, MySQL, Vue, React, Linux, shell languages, AWS, Docker, CI/CD
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1w
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Lab Assistant (Intern), Quality Control
San Diego, California, United States
$20/hr OnsitePart Time, Internship
Catalent
Catalent: Global provider of drug development and manufacturing solutions.
Must be a full-time college student (minimum second year), prefer chemistry/biochemistry/biology major, upper-division chemistry coursework preferred, able to work 15-20 hrs/week on-site, lab experience recommended, able to lift up to 25 lb.
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1mo
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Sr. CI Tooling & Infrastructure Engineer - Xcode
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experienced software engineer to develop and maintain internal CI and tooling systems for Xcode, accelerate integration pipelines, and improve developer productivity across Apple platforms.
Xcode, macOS, iOS, watchOS, tvOS, visionOS
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3w
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ER Veterinary Internship - Multiple Cities
Columbia or Fort Collins or San Antonio or La Mesa or Austin
$75k/yr OnsiteFull Time
Thrive Pet Healthcare
Thrive Pet Healthcare: Operates a network of veterinary hospitals and pet clinics.
Eligibility to obtain a U.S. veterinary license; new graduates welcome; supervised emergency medicine training; clinical and surgical competency development expected.
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2w
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Database Internals Engineer
San Diego or California
$102k-$153k/yr RemoteFull Time
Teradata
TeradataNew York Stock Exchange: TDC: Provides cloud data analytics and enterprise AI software platforms.
Systems programming in Rust or modern C/C++; deep relational foundations and expertise in query optimization or execution engine internals; experience with vectorized/columnar processing and transaction/recovery mechanisms.
Rust, C/C++, Arrow, Apache DataFusion, DuckDB, Iceberg, Delta, Criterion, Google Benchmark, sqllogictest
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