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49 development intern jobs at 45 companies in Milford, CT

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Development Intern
North Haven, Connecticut, United States
OnsiteInternship
BHcare
BHcare: Provides integrated mental health and domestic violence services.
Unpaid internship, minimum 10 hours/week. Pursuing relevant degree; strong communication, organization, and Microsoft Office skills; ability to support fundraising, donor relations, events, and marketing.
Microsoft Office
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3mo
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Youth Development Intern
Wading River, New York, United States
OnsiteAll Commitments Available
Little Flower Children and Family Services of New York
Little Flower Children and Family Services of New York: Providing foster care, adoption, and developmental disability support services.
Currently enrolled in a college program related to Social Work, Psychology, Human Services, Education, or related field; strong interpersonal skills; confidentiality; reliable and punctual.
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Intern
New Haven, Connecticut, United States
$39k-$292k/yr OnsiteMultiple Commitments Available
Yale University
Yale University: Provides higher education and conducts global academic research.
Bachelor's degree or equivalent; conduct regulatory research on 1,4-dioxane, compile state-specific databases, perform comparative analysis, prepare summaries and presentations, strong organizational, communication, and computer skills.
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3mo
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Developer Intern
Hauppauge, New York, United States
$20/hr OnsiteMultiple Commitments Available
Custom Computer Specialists
Custom Computer Specialists: Provides managed IT and cybersecurity services for organizations.
Pursuing or recently completed degree in CS/SE/IS; strong Java; SQL knowledge; detail-oriented; good communication; on-site 20 hrs/week; 10–12 weeks; starting May 2026; SSRS and MS SQL Server preferred.
Java, SQL, SSRS, MS SQL Server, REST APIs
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1w
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Venue Programming & Event Development Intern (Summer/Fall)
Hartford, Connecticut, United States
OnsiteInternship
FC Tulsa
FC Tulsa: Professional soccer team competing in the USL Championship.
Currently enrolled student eligible for college credit; available late July–November; able to work nights/weekends; strong organization, communication, and research skills; proficient in Microsoft Word, Excel, PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Canva
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2w
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Toxicology Intern
Hicksville, New York, United States
$1/day OnsiteInternship
Acutis Diagnostics
Acutis Diagnostics: Specialized medical laboratory providing advanced clinical diagnostic testing services.
Bachelor's in medical technology, chemistry, toxicology or related field; strong attention to detail, communication, independent and team work, basic lab safety knowledge.
LC-MS/MS
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1mo
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Pharmacy Intern
Westhampton Beach or Bronx or Brooklyn
$18-$31/hr OnsitePart Time
Walgreens
Walgreens: Retail pharmacy providing prescriptions and health and wellness products.
Must be enrolled in a school of pharmacy, fluent in English, willing to work flexible hours including evenings and weekends; learns pharmacy practice, assists pharmacist, processes prescriptions, and provides customer service.
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Science Intern
Bronx, New York, United States
$17/hr OnsitePart Time, Seasonal
New York Botanical Garden
New York Botanical Garden: Operates a public botanical garden and plant research institution.
Current enrollment in a NYC high school or undergraduate program; interest in plant science; safety training for lab work; punctual, professional, team-oriented; able to lift up to 25 lbs.
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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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Sr Manager – International Black Hawk Business Development
Stratford, Connecticut, United States
$151k-$267k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Proven experience in international business development, FMS/DCS processes, strategic planning, financial planning, customer engagement, and team leadership; ability to travel; strong communication skills.
FMS, DCS, AI
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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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Intern – Civil Engineer (Land Development) – Fall 2026 | Melville, NY | Bohler
Melville, New York, United States
$19-$25/hr OnsiteInternship
Bohler
Bohler: Provides land development consulting and civil engineering services.
Enrollment in a bachelor's or master's in civil/environmental/biosystems engineering, strong communication, self-starter, interest in land development, familiarity with AutoCAD Civil 3D preferred.
AutoCAD Civil 3D
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4d
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Healthcare Community Outreach Intern
Danbury, Connecticut, United States
OnsiteInternship, Full Time
Mar y Sol Mental Health Experts
Mar y Sol Mental Health Experts: Offers psychiatric and therapeutic care to children and adults.
Current undergraduate student (anticipated Spring 2027 graduation). Strong communication, organization, interest in healthcare, Microsoft Office or Google Workspace proficiency; no prior healthcare experience required.
Microsoft Office, Google Workspace
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Aviculture Intern - Fall 2026
Bronx, New York, United States
$800-$1k/yr OnsiteInternship
Wildlife Conservation Society
Wildlife Conservation Society: Manages metropolitan wildlife parks and global conservation programs.
Current college student; ability to perform physical tasks including lifting up to 50 lbs; weekend availability; ability to follow instructions, observe animal health, and provide customer service; eligible to work in the US.
ZIMS
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2mo
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At-Sea Research Intern - Riverhead, NY
Riverhead, New York, United States
$19/hr OnsitePart Time, Temporary
Cornell Cooperative Extension
Cornell Cooperative Extension: Delivering research-based educational programs to New York State communities.
Part-time paid internship for at-sea data collection; fieldwork on vessels, light data entry; 24 hours/week; July–Sept; no relocation or visa sponsorship.
Data entry, Biological sampling, Marine field equipment
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Development and Communications Coordinator (P
New Haven, Connecticut, United States
$25-$30/hr HybridPart Time
Common Ground
Common Ground: Operates an environmental charter school and urban farm.
Experience in development and communications, strong writing, content creation, donor stewardship, event support, ability to manage social media and train interns; flexible schedule including nights/weekends.
Instagram, Facebook, TikTok, iOS, Android, ADP
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1mo
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Student Intern (Residential Division-RHY)
Freeport, New York, United States
OnsitePart Time, Internship
Family and Children's Association
Family and Children's Association: Non-profit provider of social and behavioral health services.
1st-year MSW student required; provide weekly individual counseling (caseload up to 10), complete electronic progress notes, facilitate groups, develop ISPs, provide referrals, and support independent living skills.
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2w
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Computational Neuroscience Intern | Joy Lab
Bar Harbor or Ellsworth or Farmington or Sacramento or Augusta or Japan or China
$15-$31/hr OnsiteInternship
The Jackson Laboratory
The Jackson Laboratory: Conducts genomic research and produces specialized laboratory mouse models.
Undergraduate degree expected; master’s or relevant experience desirable. Experience with statistical and machine learning methods, data mining, data curation, and computational neuroscience; strong communication skills.
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2mo
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Vice President of Workforce Development & Community Education
Valhalla, New York, United States
OnsiteFull Time
SUNY Westchester Community College
SUNY Westchester Community College: Public community college offering associate degrees and workforce education.
Provide executive leadership for workforce development and community education programs, collaborate with internal and external stakeholders, drive strategic implementation, and serve as a member of the President's Cabinet.
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1mo
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2026 Internship & Co-Op Program
Tucson or Newton or Westford or Albuquerque or Wheatfield or Brewster or Buffalo or Cleveland or Elmore or Lorain or Leesport or Reading or Lincoln or Milwaukee or Delta or Mayfield Heights
$15-$25/hr OnsiteInternship, Temporary
Materion
MaterionNYSE: MTRN: Manufactures advanced engineered materials and precision optical solutions.
Must be junior or higher enrolled in relevant STEM, business, or communications coursework; U.S. citizen or Permanent Resident (ITAR); curious, willing to learn, and able to work in team settings.
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