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20 developer intern jobs at 17 companies in Jacksonville, FL

2mo
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Webber - Field Engineer Intern I - Heavy Civil
Jacksonville, Florida, United States
OnsiteInternship, Full Time
Ferrovial
FerrovialNasdaq: FER: Develops, finances, and operates global transportation and energy infrastructure.
Currently enrolled in Civil/Mechanical/Environmental Engineering or related 4-year program; English communication; proficient with MS Word, Excel, Outlook; ability to perform field construction tasks; basic surveying and construction math; physical activity in field environments.
MS Word, MS Excel, MS Outlook
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1mo
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Summer EMERGE Intern
Jacksonville, Florida, United States
$15/hr OnsitePart Time
University of North Florida
University of North Florida: Public research university offering undergraduate and graduate degree programs.
High school student; participates in EMERGE workforce development; background check and possible credit check.
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1mo
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Business Development Intern - Fall 2026
Jacksonville, Florida, United States
$20/hr OnsiteMultiple Commitments Available
RF-SMART
RF-SMART: Provides mobile warehouse management and inventory tracking software
Currently enrolled junior/senior in a degree program; strong written and verbal communication; Microsoft Office proficiency; experience with CRM (NetSuite) helpful; ability to research, prospect, and maintain CRM data.
NetSuite, Microsoft Office, LinkedIn
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1mo
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Manufacturing Engineer Intern (Year Round)
Jacksonville, Florida, United States
$16-$18/hr OnsiteMultiple Commitments Available
Safariland
SafarilandNYSE: CDRE: Manufacturer of tactical holsters and body armor for professionals.
3+ YOECoordinate engineering change requests and documentation; produce reports, audit BOMs/routers, and support costing/ERP tasks. Requires vocational training or some college and minimum 3 years relevant experience; strong MS Office skills.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook, ERP
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2mo
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Software Development - C# Intern - Summer 2022
Jacksonville, Florida, United States
OnsiteInternship
RF-SMART
RF-SMART: Provides mobile inventory and warehouse management software solutions.
0+ YOEWorking toward a degree in Computer Science/CS-related field; basic experience with C# and Visual Studio; strong communication; team oriented; willing to learn.
C#, Visual Studio, LINQ, SQL, MVC, Subversion, TFS, XML, NET Framework
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1d
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Project Engineer Intern - Water/Wastewater Plants
Jacksonville, Florida, United States
OnsiteInternship
Wharton-Smith
Wharton-Smith: General contractor specializing in water and commercial infrastructure.
Assist project engineer and project manager with planning, reviewing plans and bids, maintaining safety, data entry, and daily project tasks.
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4d
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Powe Modeling Intern
Jacksonville or Bellevue
OnsiteInternship
The Energy Authority
The Energy Authority: Provides energy portfolio management and trading services to public utilities.
Pursuing a Bachelor's in Electrical Engineering (power/energy systems) or Operations Research; programming in Python or R; coursework in power systems/OPF preferred; available for two semesters; analytical and communication skills.
Python, R, PLEXOS, Dayzer, PSS®E, PowerWorld, PSCAD
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1mo
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Marine & Industrial Applications Engineer
Ft. Lauderdale or Orlando or Tampa or Jacksonville
FieldFull Time
Florida Detroit Diesel Allison
Florida Detroit Diesel AllisonNYSE: KEX: Provides sales, service, and parts for industrial power systems.
3+ YOEB.S. in engineering or 3+ years related experience; 75% travel (including international); proficiency with Microsoft Office; Inventor/CAD preferred; EIT preferred; strong mechanical and communication skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Inventor
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1mo
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Marine & Industrial Applications Engineer
Fort Lauderdale or Orlando or Tampa or Jacksonville
FieldFull Time
Kirby Corporation
Kirby CorporationNYSE: KEX: Operates tank barges and provides diesel engine repair services.
3+ YOEBS in engineering or 3-7 years related experience; 75% travel (including international); experience with heavy diesel machinery, CAD (Inventor preferred), Microsoft Office; ability to provide engineering/design support and customer-facing presentations.
Inventor, CAD, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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Internship - First Coast YMCA
Jacksonville, Florida, United States
OnsiteInternship
YMCA of Florida’s First Coast
YMCA of Florida’s First Coast: Provides community-based programs for youth, healthy living, and families.
Student or emerging professional seeking structured, hands-on internship. Must pass Level 2 background screening (FDLE & FBI fingerprint check). Interns placed in YMCA departments to support mission and develop professional competencies.
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Lead Product Manager - AI Developer Platform
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$171k-$257k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
7+ YOE7+ years product management; experience with developer tooling, AI platforms, or internal productivity tools; strong technical fluency; proven cross-functional leadership; ability to define strategy and roadmap.
Claude Code, Codex, Cursor, Plugin marketplace, Agent runtime, Ruby, Go, TypeScript, Python, AWS, Databricks
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3w
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Business Development Manager
Jacksonville, Florida, United States
OnsiteFull Time
Fincantieri Marine Repair
Fincantieri Marine Repair: Maintains and repairs commercial and military maritime vessels.
8+ YOEBachelor's degree or equivalent; 8 years of business development/capture management experience in ship repair, shipbuilding, or maritime services; strong negotiation, proposal development, and Microsoft Office skills; FAR/DFARS knowledge preferred; domestic and international travel required.
Microsoft Office Suite
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2w
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Vehicle Compliance & Analysis Junior Associate Consultant (Intern)
Jacksonville, Florida, United States
HybridInternship, Part Time
Mercedes-Benz Group
Mercedes-Benz GroupFrankfurt Stock Exchange: MBG: Produces luxury passenger cars and premium light commercial vans.
Undergraduate rising juniors/seniors available May 2026–May 2027; preferred data analytics/engineering background; hybrid availability 3 days weekly up to 28 hours and core hours 10AM–3PM; strong Excel, PowerBI, Power Automate skills.
Microsoft Excel, PowerBI, Power Automate, Microsoft Office
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2w
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CLINICAL DIETITIAN
Jacksonville, Florida, United States
$62k-$93k/yr OnsiteFull Time
Mayo Clinic
Mayo Clinic: A non-profit academic medical center providing clinical healthcare services.
Bachelor's in dietetics/nutrition, ACEND internship, RDN credential within 3 months of hire; clinical nutrition experience preferred; ability to develop MNT, educate patients, and precept interns.
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1w
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Mental Health Therapist (licensed/ Licensed Eligible)
Orange Park, Florida, United States
OnsiteFull Time, Part Time
Elite DNA Behavioral Health: Provides comprehensive outpatient mental and behavioral health services.
Master's degree required; licensed or license-eligible clinicians accepted; provides therapy, documents in EMR, develops treatment plans, supervises staff and interns; strong communication and clinical skills.
Electronic Medical Record (EMR)
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2w
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Director, Technical Accounting (Remote)
United States or Jacksonville
$145k-$155k/yr RemoteFull Time
Step Up For Students
Step Up For Students: Administers state-approved K-12 educational scholarship programs in Florida.
10+ YOE10+ years experience and bachelor’s in accounting/finance; strong GAAP technical accounting, ERP experience, leading accounting teams, policy and internal control development, audit coordination, and communication skills.
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2w
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Outside Sales Team Member
Jacksonville, Florida, United States
FieldFull Time
Baillie Lumber
Baillie Lumber: Produces and distributes premium hardwood lumber products worldwide.
Develop and maintain customer relationships in an assigned territory, generate leads, meet sales goals, negotiate prices and terms, prepare contracts, collaborate with internal teams, and pass background and drug screens.
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1w
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Director of Finance & Business Systems
Jacksonville, Florida, United States
OnsiteFull Time
Petticoat-Schmitt
Petticoat-Schmitt: Provides civil construction for infrastructure and water treatment plants.
7+ YOELead accounting, payroll, and business systems; oversee financial reporting, WIP/job costing, budgeting, cash flow, internal controls, ERP implementation, and team development. Bachelor's degree and 7+ years' progressive finance leadership required.
Microsoft Excel, ERP
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1mo
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Animal Collections Manager (Hoof stock) - Internal Candidate
Yulee, Florida, United States
OnsiteFull Time
White Oak Conservation
White Oak Conservation: Saving endangered wildlife through breeding, research, and land stewardship.
5+ YOE2+ MgmtSupervisory role requiring expertise in animal husbandry, collection management, habitat design, record keeping, compliance, and collaboration with veterinary and education teams. BS in biology/animal science preferred or 5+ years animal care; 2+ years supervisory experience; valid driver’s license; ability to lift 50 lbs and work outdoors.
ISIS
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