479 developer intern jobs at 307 companies in Princeton, NJ
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Software Engineer Intern
New York City, New York, United States
HybridInternship
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.
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.
AVEVA: Industrial software for engineering and operational performance management.
Currently enrolled in a BS/MS/PhD in CS or related, GPA≥3.0, software development experience in modern languages, U.S. work authorization required, drug screen and background check required.
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.
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.
Schweitzer Engineering Laboratories: Manufactures digital systems that protect and automate power grids.
0+ YOEPursuing Electrical Engineering degree with at least two years of coursework; knowledge of three-phase analysis and power flow; MATLAB/Simulink/PSCAD experience; eager to learn protective relays and automation; proficient with Microsoft Office; able to learn new skills.
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
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
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.
SkanskaNasdaq Stockholm: SKA B: Global construction and project development.
Pursuing a bachelor's in construction management or engineering, knowledge of construction project phases, math skills, MS Office/HCSS/CGC familiarity, and ability to communicate clearly; background check required; must be legally authorized to work in the US.
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.
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.
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.
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.
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.
Child Guidance Resource Centers: Mental health and developmental services for children and families.
Seeking bachelor- or master-level interns to support development of training materials, marketing, program evaluation, and facilitation of in-person and virtual learning; unpaid internship.
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
Fall 2026 Engineer Intern/Co-op - Underground Construction & Tunneling
Secaucus or United States
OnsiteFull Time, Internship
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.