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450 developer intern jobs at 287 companies in Brooklyn, NY

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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3mo
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Software Engineer Intern
New York City, New York, United States
HybridInternship
Latent Defense
Latent Defense: Building autonomous AI-driven threat modeling systems for cybersecurity.
0+ YOEInternship seeking engineers who think systemically; comfortable prototyping across the stack with TypeScript, Python, PostgreSQL; familiar with Docker/Kubernetes.
TypeScript, Python, PostgreSQL, Docker, Kubernetes
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3w
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Civil Engineer Intern
New York City, 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 degree in civil engineering required; must have filed for Exam #5047 or be serving in the civil engineering intern title. Duties include entering and validating field data in the MCMU database, using Microsoft Access, processing requisitions, and preparing cost estimates.
MCMU, Microsoft Access
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3mo
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Rust Developer Intern (Spring 2026)
New York City or Windsor
$2k-$4k/mo HybridInternship
Blockhouse
Blockhouse: Institutional platform for systematic quantitative trading and investment management.
Solid Rust experience; Linux/UNIX; concurrency/async; well-tested code.
Rust, Linux, WebSocket, REST, GCP, TypeScript, React, Python, TCP/IP
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3mo
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Android Developer Intern
New York, New York, United States
$16-$18/hr HybridInternship
Eulerity
Eulerity: AI-driven marketing automation for franchise and multi-location brands.
1+ YOE1+ year Android development with Kotlin; Jetpack Compose; Android Studio; experience with AI tools; strong prompts; Git; UI and architecture knowledge; ability to ship features and work in Agile.
Kotlin, Jetpack Compose, Android Studio, Claude Code, Copilot, Retrofit, Dagger/Hilt, Room
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1mo
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Volatility Trading Developer Intern (Summer 2027)
New York, New York, United States
$14k/mo OnsiteInternship
Walleye Capital
Walleye Capital: Multi-strategy investment firm specializing in quantitative and volatility strategies.
Pursuing undergraduate or non-MBA master’s in mathematics, computer science, engineering, or related field; strong programming in Python/Java/C++; analytical skills; collaborative in fast-paced environment.
Python, Java, C++
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2mo
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Full Stack Software Engineer Intern - Winter 2027
San Francisco or New York City or Seattle
OnsiteInternship
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Currently enrolled in a Bachelor’s or Master’s in CS or related field; prior internship/Co-op experience; backend experience with Python and frontend with JavaScript and HTML/CSS; strong communication and problem-solving skills.
Python, JavaScript, HTML/CSS, Slack, Microsoft 365
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3w
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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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3mo
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Data & Systems Developer Intern
New York, New York, United States
$22-$25/hr OnsiteInternship, Full Time
Kohn Pedersen Fox Associates
Kohn Pedersen Fox Associates: Global architecture firm providing design and urban planning services.
Proficient in Python and SQL; experience consuming REST APIs; basic Git; currently enrolled in BS or MS in CS/IS/Data Science.
Python, SQL, REST APIs, Git, Flask, FastAPI, AWS, Docker, LLMs, AI concepts
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2w
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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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1w
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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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2w
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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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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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Software Analyst / Developer, Emerging Talent Intern (Fall)
New York, New York, United States
$21/hr OnsiteInternship
Metropolitan Transportation Authority
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
Internship requiring software development basics, MS Office, analytical and communication skills, ability to work onsite, GPA 2.8, pursuing computer/engineering field.
Microsoft Office
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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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4d
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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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5d
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Student Intern
New York or New Jersey or Connecticut
$16-$17/hr FieldPart Time
NYU Langone Health
NYU Langone Health: Academic medical system providing comprehensive patient care and education.
Enrolled in a relevant degree program, experience with human-subject research, proficiency with Microsoft Office, strong communication and teamwork skills.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
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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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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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AI Intern
New York City or Miami or United States
HybridPart Time, Internship
Steel Partners
Steel Partners: A diversified holding providing industrial manufacturing and energy services.
Pursuing or recently completed Bachelor's/Master's in CS/Data Science/Engineering/Info Systems, hands-on AI/ML and LLM API experience, Python/JavaScript and REST API proficiency, strong analytical and communication skills.
AI/ML frameworks, LLM APIs, OpenAI, Anthropic, Google, Python, JavaScript, REST APIs, cloud services
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