37 development intern jobs at 35 companies in Hamden, CT

1w
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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
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.
1mo
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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.
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
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
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.
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.
3d
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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
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
1w
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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
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
23h
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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
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.
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.
1mo
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Oliver Wyman Actuarial - Internship - Summer 2027
New York City or Boston or San Francisco or Hartford or Los Angeles or Philadelphia or Houston or Dallas or Charlotte or Milwaukee or Washington or Chicago or Atlanta or Seattle
$1k-$2k/wk HybridFull Time, Internship
Marsh McLennan
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.
Undergraduate student (Class of 2028 or 2029) pursuing actuarial, math, statistics, STEM or business degree; minimum 3.5 GPA; strong analytical, communication, and problem-solving skills; interest in SOA/CAS/CFA; familiarity with Excel, R, Python, SQL, SAS, or VBA.
Microsoft Excel, R, Python, SQL, SAS, VBA
1w
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Fall 2026, Intern/Coop: Machine Learning Researcher
East Hartford, Connecticut, United States
$37k-$82k/yr HybridPart Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
1+ YOEPursuing MS/PhD in CS/Math/Engineering, minimum 6-month co-op,1+ years MS/PhD-level research and 1+ years ML software dev in Python; familiarity with PyTorch or TensorFlow; submit transcripts.
Python, PyTorch, TensorFlow
1w
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Accelerated Leadership Program - Manufacturing Leadership
Danbury, Connecticut, United States
$82k/yr FieldFull Time
Schaeffler
SchaefflerFrankfurt Stock Exchange: SHA0: Manufacturer of high-precision components for automotive and industrial applications.
Bachelor's in Engineering or Engineering Technology, 3.0 GPA minimum, two co-op/intern rotations, willingness to relocate every 6 months, authorized to work in the US without sponsorship.
Microsoft Office
4w
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Risk Advisory Services Managing Director
Tewksbury or Shelton or Bethel or West Hartford
$202k-$383k/yr OnsiteFull Time
Baker Tilly
Baker Tilly: Provides audit, tax, and consulting services to business clients.
10+ YOE5+ MgmtBachelor's in accounting or related field required; CPA or CIA required; 10+ years risk advisory/internal audit experience; 5+ years supervisory experience; proven business development and practice leadership; ability to travel as needed.
2mo
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NBC & Telemundo Connecticut Sales Marketing Internship - Academic Year 2026-2027
Hartford, Connecticut, United States
OnsiteInternship
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
Support development of multiplatform ad campaigns; create materials; source leads; coordinate production; assist in social media promotions; 200 hours/semester; Summer 2026.
4w
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Senior Structurer - Captive Fronting & Services (ART)
Armonk or New York City
$136k-$204k/yr HybridFull Time
Swiss Re
Swiss ReSIX Swiss Exchange: SREN: Provides global reinsurance and insurance-based risk management solutions.
5+ YOE5+ years experience in fronting and international insurance programs; expertise in structuring single carrier and coinsurance panel programs, regulatory/compliance, collateral, tax and cash management; strong commercial, negotiation and C-suite engagement skills.