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427 developer intern jobs at 277 companies in Union, NJ

3w
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DESIGN ENGINEER INTERN
Queens, New York, United States
$60k-$72k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
Baccalaureate in civil engineering required; must have Civil Service status or have taken DCAS Exam No.6116. Preferred: AutoCAD/Revit, FEA software, Microsoft Office; strong writing and communication skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, AutoCAD, Revit, STAAD Pro, RAM Elements, SAFE, BIM/CADD, Finite Element Analysis (FEA)
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2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
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5d
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Growth Intern
New York, New York, United States
$3k/yr HybridInternship, Part Time
The Brand Guild
The Brand Guild: A strategic communications agency building brands through PR and marketing.
Entry-level intern to support new business: manage inbound leads, conduct research, assist with outreach, events, and administrative tasks; must work ≥16 hours/week and be onsite one day/week.
Google Suite
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1mo
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Software Engineer, Intern
New York, New York, United States
$55k/hr OnsiteInternship
Breaking Ground
Breaking Ground: Provides supportive housing and social services to homeless populations.
High school diploma or equivalent; experience building and maintaining web applications; proficiency in C#, JavaScript, Python, SQL, SQL Server, ASP.NET MVC, Git, and Microsoft Azure; MS Office skills and strong communication.
C#, JavaScript, Python, SQL, SQL Server, ASP.NET MVC, Git, Microsoft Azure, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams
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4w
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Intern
New York City, New York, United States
HybridFull Time
United Nations
United Nations: Facilitates international cooperation for global peace and development.
Enrolled in or completed bachelor/master/PhD programme; strong research, analytical and drafting skills; proficiency in English; ability to work with diverse cultures and perform data collection and visualization.
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2027 Technology, Data, AI & Ventures Summer Internship Program - Software Engineer Intern
New York, New York, United States
$30-$35/hr HybridFull Time
New York Life Insurance
New York Life Insurance: Providing life insurance, annuities, and long-term investment solutions.
Pursuing a bachelor's or master's in CS/AI/ML/SE/EE/math/physics; proficiency with Linux/Unix and Windows and one language (C,C++,Java,C#); eligible to work in the U.S.; available full-time May–Aug; hybrid (3 days/week NYC).
Linux, Unix, Windows, C, C++, Java, C#
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2027 Technology, Data, AI & Ventures Summer Internship Program - Software Engineer Intern
New York City, New York, United States
$30-$35/hr HybridInternship, Full Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
Undergraduate or graduate student in a technical field (CS, AI, ML, SE, EE, math, physics), strong programming skills (C,C++,Java,C#), Linux/Windows proficiency, data structures and algorithms knowledge, authorized to work in the U.S., available full-time for an 11-week summer internship.
Linux/Unix, Windows, C, C++, Java, C#
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4w
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Quantitative Developer Intern - Summer 2027
New York City or Chicago
$4k-$6k/wk OnsiteInternship
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
Currently enrolled degree student in CS, math, physics, EE or related; proficient in C++ or Python; working knowledge of Linux/Unix; strong problem-solving and communication skills; interest in financial markets.
C++, Python, Linux/Unix, FPGA
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2w
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Summer Intern 2027 - Software Developer
New York City, New York, United States
$300k/yr OnsiteInternship
Five Rings
Five Rings: Proprietary trading firm developing quantitative strategies for global markets.
Internship requiring Python proficiency (required), C or C++ and Linux preferred; strong communication and analytical skills; summer program participation.
C, C++, Linux, Python
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Development Intern
New York, New York, United States
HybridInternship
Center for Family Representation
Center for Family Representation: Provides interdisciplinary legal defense and social services for families.
Undergraduate or graduate student affiliated with an accredited program or paid fellowship; able to support fundraising, event planning, grant writing, donor stewardship, and CRM data hygiene; strong teamwork and organizational skills.
GiftWorks
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2mo
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Benefit Intern
New York, New York, United States
OnsiteAll Commitments Available
Bowery Residents' Committee
Bowery Residents' Committee: Provides housing and social services to homeless individuals.
Summer HR intern supporting Benefits; tasks include orientation, I-9 audit, document scanning, ID badges, policy development; requires self-starter, team player, good communication, MS Office.
Microsoft Office Suite
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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
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1mo
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Senior Software Engineer, Developer Experience
New York City, New York, United States
HybridFull Time
Cape
Cape: A privacy-first mobile carrier providing secure cellular network services.
Experience owning CI/CD and build infrastructure, internal developer tooling, local development environments, AI-assisted development, and platform reliability/security (FedRAMP-adjacent). Strong cross-team collaboration and documentation skills.
CI/CD, AI, FedRAMP, StackOverflow, 5G
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1mo
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Fall 2026 Engineer Intern/Co-op - Underground Construction & Tunneling
Secaucus or United States
OnsiteFull Time, Internship
Traylor Bros., Inc.
Traylor Bros., Inc.: Heavy civil contractor specializing in complex infrastructure construction projects.
Currently enrolled in a relevant engineering undergraduate program (completed sophomore year), leadership potential, problem-solving ability, AutoCAD experience preferred, able to perform site duties and physical tasks.
AutoCAD
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1w
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Software Engineer, AI Developer Experience
New York City, New York, United States
$171k-$190k/yr HybridFull Time
Asana
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
3+ YOE3+ years working in large codebases; experience building developer tools, IDE/editor/CLI integrations, or internal platforms; hands-on with AI-assisted development tools; strong systems design and technical judgment.
Cursor, Claude Code, Codex
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1w
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Client Services Intern
New York City, New York, United States
$20-$25/hr HybridInternship
FIRST
FIRST: Creating connected brand experiences through global event management services.
Working toward a relevant degree; strong research, communication, and organizational skills; interest in client service, account management and business development; Microsoft Office, Google Suite, Salesforce familiarity preferred.
Microsoft Office, Google Suite, Salesforce CRM
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1mo
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Development Intern (Unpaid)
New York, New York, United States
HybridPart Time, Internship
International Rescue Committee
International Rescue Committee: Provides humanitarian aid and relief to people affected by conflict.
Enrollment in or recent graduation from a post-secondary institution (within 2 years) required for interns; internship supports fundraising, storytelling, events, prospecting, and grant assistance for IRC NYNJ.
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1w
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Occupational Therapy Student Intern
New York City, New York, United States
$17-$18/hr HybridPart Time
Pace University
Pace University: Private university providing undergraduate and graduate degree programs.
Student intern with interest/experience in web or mobile development and educational technology; familiarity with LMS, accessibility, and communication skills required.
HTML, CSS, JavaScript, React, Python, Java, Swift, Brightspace, Canvas, Moodle, WCAG, Figma, Adobe XD, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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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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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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