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32 javascript intern jobs at 22 companies in East Orange, NJ

2mo
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Javascript Engineer (IV-V)
New York, New York, United States
$140k-$220k/yr RemoteFull Time
Confiant
Confiant: Provides real-time cybersecurity and quality controls for digital advertising.
6+ YOEExpert-level JavaScript (ES6+) with deep browser internals; experience shipping JS SDKs; performance optimization; SDK distribution; security threat intel awareness.
Webpack, Rollup, esbuild, Babel, Jest, Playwright, Puppeteer
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6d
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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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Software Engineering Intern — Fall 2026
New York City, New York, United States
$40/hr OnsiteInternship, Full Time
Junior
Junior: AI-powered research tools for private equity investors.
0+ YOEPursuing a Computer Science or related degree; comfortable with TypeScript/JavaScript and Next.js; curious about LLMs; strong communication skills; previous internship experience is a plus.
LLMs, Next.js, TypeScript, JavaScript, MacBook
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3w
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Digital Marketing Intern - Technical AI & Automation
New York City, New York, United States
$16-$18/hr HybridInternship
Eulerity
Eulerity: AI-driven marketing automation for franchise and multi-location brands.
Current student or recent graduate with quantitative coursework; strong Excel and Sheets skills; ability to read SQL/Python/JavaScript; detailed, self-directed, strong written communication; comfortable using AI tools.
SQL, Python, JavaScript, Microsoft Excel, Sheets, Google Ads, Meta, LinkedIn
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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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2w
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IT & Data Systems Intern (Archibus & Applications Development)
New York, New York, United States
$18/hr OnsitePart Time
Research Foundation of CUNY
Research Foundation of CUNY: Administers fiscal and human resources for CUNY research grants.
Enrolled CUNY student available ≥14 hrs/week with Excel and SQL proficiency, familiarity with HTML/CSS/JavaScript, Archibus, data entry/analysis, and agile methods; Git, Microsoft SQL Server and .NET experience preferred.
Archibus, Microsoft Excel, Structured Query Language (SQL), Microsoft SQL Server, Git, HTML, CSS, JavaScript, .NET, C#, F#, VB.NET
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2d
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
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6d
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AI Engineer Intern
Islandia, New York, United States
OnsiteFull Time, Internship
Festo
Festo: Festo provides pneumatic and electrical automation technology for industrial production.
Pursuing or graduated in CS/Software/IT/Data Science/AI; proficiency in Python, JavaScript, HTML, CSS, Git; knowledge of web architecture, OOP, debugging, and AI concepts.
Python, JavaScript, HTML, CSS, Git, REST APIs, Large Language Models (LLMs), Azure AI Services, Azure, AWS, Google Cloud
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1mo
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AI Builder Intern
San Francisco or New York City or Seattle
$74k-$112k/yr OnsiteFull Time, Internship
Scale AI
Scale AI: Provides data and infrastructure for training artificial intelligence models.
Hands-on experience with LLM APIs and agentic/automation frameworks, production-quality Python or JavaScript coding, product instincts, and current enrollment in an undergraduate or graduate CS/data science/engineering program.
OpenAI, Anthropic, Python, JavaScript, LangChain, LangGraph, CrewAI, Slack, Salesforce, Notion, React, Cursor, Claude, Copilot, AutoGen, n8n, Zapier, GitHub
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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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2mo
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Internal Tools Developer
New York City or Boston
$70k-$100k/yr OnsiteFull Time
Arch
Arch: Automates data and document management for private market investments.
Strong JavaScript and SQL skills; experience building internal tools; quick learner; interest in finance; good communication.
JavaScript, SQL, HTML, CSS, React
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6d
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Experiences Template
Brooklyn, New York, United States
OnsiteInternship
Hyperquake
Hyperquake: Independent agency providing brand strategy and experience design services.
Pursuing a relevant bachelor's degree or equivalent experience; experience with JavaScript, HTML/CSS, Git, creative coding tools, Figma/Adobe; portfolio of interactive work; strong problem-solving and visual design skills.
HTML, CSS, JavaScript, Git, p5.js, three.js, WebGL, TouchDesigner, openFrameworks, Figma, Adobe Creative Cloud, React, Arduino
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1w
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Systems Analyst II
Seattle or New York City or Salt Lake City or San Francisco or São Paulo or Vancouver
$136k-$170k/yr HybridFull Time
Brex
Brex: Corporate cards and spend management software for businesses.
2+ YOE2–4 years in systems/BizOps/TechOps or related; proficiency with JavaScript, Python, SQL, APIs; experience with Salesforce and GTM tooling; ability to design, build, and ship internal tools and integrations.
Salesforce, Nooks, Outreach, Gong, Vitally, Sierra, Snowflake, JavaScript, Python, SQL, APIs
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1mo
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Staff Web Engineer
Menlo Park or New York
$230k-$270k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
7+ YOE7+ years building web applications with strong expertise in JavaScript/TypeScript, browser internals, profiling and optimizing rendering and real-time UIs; experience with performance tooling and cross-functional collaboration.
JavaScript, TypeScript, Canvas, Web Workers, WebSockets, Chrome DevTools, Lighthouse, flame charts, Core Web Vitals
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2mo
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Full Stack Engineer (C#/React)
New York, New York, United States
$101k-$134k/yr OnsiteFull Time
Rockstar Games
Rockstar Games: Creates and publishes world-class open-world video games.
3+ YOE3+ years React (TypeScript/JavaScript); 3+ years C#; 2+ years T-SQL; 2+ years source control (Perforce preferred); knowledge of web development best practices and Agile; strong communication in international team.
C#, React, TypeScript, JavaScript, MSSQL, Perforce, T-SQL, Redis, MongoDB, Elasticsearch, npm, NuGet
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1mo
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Developer Workplace Integrations
New York, New York, United States
$110k-$140k/yr HybridFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
Experience building internal tools and API-first integrations; strong full‑stack skills with Node, TypeScript/JavaScript, client frameworks (Vue, React, Angular); CI/CD and cloud (AWS/Azure/GCP) experience; Agile and security awareness.
Node, TypeScript, JavaScript, Vue.js, React, Angular, Slack, GitHub Actions, Jenkins, AWS, Azure, GCP
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1mo
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Java Lead Software Engineer
Jersey City, New Jersey, United States
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience; hands-on system design, application development, testing, operational stability; advanced Java/Spring, JavaScript/TypeScript, SQL, Kafka, cloud (AWS/internal); experienced with SDLC, CI/CD, resiliency and security; experience with AI-assisted development workflows preferred.
Java, Spring, JavaScript, TypeScript, SQL, Kafka, React, Oracle, Aurora, Airflow, Spark, AWS, CI/CD
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2mo
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GTM Engineer - Ecosystem
New York, New York, United States
$140k-$180k/yr HybridFull Time
Clay
Clay: Platform for automated lead enrichment and sales workflows.
6+ YOE6-10 years in RevOps/GTM engineering or related technical roles; 3+ years in RevOps/Sales Ops or GTM Engineering; experience integrating Salesforce and GTM systems; programming skills in Python, JavaScript, SQL, or TypeScript; experience deploying AI-powered internal tools; familiarity with data warehouses/BI tools; strong communication and ability...
Salesforce, Python, JavaScript, SQL, TypeScript, BI tools, AI tools
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1w
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Electronic Trading Support Specialist - EMSX Trade Desk
New York City, New York, United States
$120k-$150k/yr OnsiteFull Time
Bloomberg
Bloomberg: Delivers financial data, news, and software to global markets.
Provide real-time client support for EMSX, troubleshoot order/execution/connectivity issues, collaborate with internal teams, and use analytical skills to improve workflows.
EMSX, EMS, OMS, FIX Protocol, Python, SQL, JavaScript, VBA, API
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1w
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Research Analyst
New York City or Washington
$68k-$78k/yr HybridFull Time
Kharon
Kharon: A global risk analytics platform that provides sanctions, trade controls, and related intelligence to support compliance and risk decision-making.
1+ YOEBachelor's degree,1+ years experience with sanctions/export controls/AML/CFT,research in international security,SQL,Neo4J,web technologies and coding for data collection and QA.
SQL, Neo4J, HTML, JavaScript, CSS, XPath, JSON
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