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64 javascript intern jobs at 43 companies in California

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Javascript - Senior Developers - AI Training - San Jose, USA
San Jose or United States
$50/hr RemoteContract, Part Time
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related; professional experience building scalable web apps with JavaScript/TypeScript; ability to solve LeetCode Medium–Hard problems; deep knowledge of JS internals and modern frameworks; testing and API experience.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, LeetCode, GraphQL, RESTful APIs
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1mo
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Software Engineer Intern
San Jose, California, United States
$35-$45/hr OnsiteInternship
SK hynix Memory Solutions America
SK hynix Memory Solutions AmericaKorea Exchange: 000660: Develops semiconductor controllers and firmware for enterprise data storage.
0+ YOECurrently enrolled or a Bachelor's or Master's degree in computer science or software engineering; proficient in C/C++, Python, JavaScript/TypeScript, and node.js; strong debugging and documentation skills.
C++, Python, JavaScript, TypeScript, Node.js
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2mo
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Web Developer Intern
Rancho Cordova, California, United States
$23-$27/hr OnsiteInternship
GEI Consultants
GEI Consultants: Professional engineering and environmental consulting services.
0+ YOEProficient in HTML, JavaScript, CSS, and AJAX; knowledge of Java, JSP, ASP.NET, XML, JSON; experience with databases (Oracle, Access, SQL Server); reliable, self-motivated, detail-oriented; able to work on site in Sacramento area.
HTML, JavaScript, CSS, AJAX, Java, JSP, ASP.NET, XML, JSON, Oracle, Access, SQL Server
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2mo
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Web Developer Intern
Rancho Cordova, California, United States
$23-$27/hr OnsiteMultiple Commitments Available
GEI Consultants
GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.
HTML, JavaScript, CSS, AJAX; Java/JSP/ASP.NET/XML/JSON; databases Oracle/Access/SQL Server; timely, high-quality deliverables; self-motivated; computer science/engineering major; able to work at Sacramento office.
HTML, JavaScript, CSS, AJAX, Java, JSP, ASP.NET, XML, JSON, Oracle, SQL Server, Access
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Software Engineer Intern
San Francisco, California, United States
OnsiteFull Time
Phonely
Phonely: AI-powered voice platform for automated customer phone interactions.
Pursuing or recently completed degree in Computer Science or related field; experience with JavaScript/TypeScript and modern frontend frameworks; familiarity with Next.js; strong problem-solving and debugging skills; ability to work with customers and teammates; eager to learn quickly.
JavaScript, TypeScript, React, Next.js, Python, AWS, GCP, Kubernetes, Redis, Datadog
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3mo
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Software Engineering Intern (Summer 2026)
Palo Alto, California, United States
HybridFull Time, Internship
Spacial
Spacial: A software building AI-powered platform for design and engineering.
Pursuing a Bachelor's or Master's in CS/Engineering; strong Python, JavaScript, or TypeScript; interest in AI/LLMs; startup environment.
Python, JavaScript, TypeScript
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3mo
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AI Intern
Sunnyvale, California, United States
$40-$60/hr OnsiteFull Time, Internship
Fortinet
FortinetNASDAQ: FTNT: Develops and sells cybersecurity software and network security appliances.
0+ YOEPursuing CS/Data Science/AI/IT; internship; basic scripting; AI knowledge; strong problem-solving and collaboration.
Python, JavaScript, Go, Observability tools, Cloud platforms, Automation platforms
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Software Engineering Intern (San Francisco)
San Francisco, California, United States
OnsiteInternship
Instead
Instead: AI-powered platform for automated tax preparation and strategy.
Pursuing a CS or related degree, familiarity with JavaScript/TypeScript, HTML, CSS, exposure to Go or Python, strong problem solving, and ability to work onsite in San Francisco.
Vue.js, Nuxt, Go, JavaScript, TypeScript, HTML, CSS, Python
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3w
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Software Engineering Intern (Summer 2027)
San Francisco, California, United States
$8k-$12k/mo OnsiteFull Time, Internship
CTGT
CTGT: Deterministic governance platform for enterprise AI systems.
Pursuing a Bachelor's in CS or related; strong programming fundamentals in Python or JavaScript; familiarity with Git and basic cloud workflows (AWS or GCP); ability to work independently and communicate technical ideas clearly.
Python, JavaScript, Git, AWS, GCP, GPT-120B OSS, HaluEval
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2mo
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OCI Software Engineer Intern - OVIP
Seattle or Santa Clara
$38k-$72k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
Experience with application development; programming in Java, JavaScript, C/C++, Python, Go; understanding data structures, algorithms, distributed systems; networking (TCP/IP, HTTP); databases/NoSQL; strong written and verbal communication; familiarity with agile methods.
Java, JavaScript, C, C++, Python, Go, TCP/IP, HTTP, NoSQL, Databases, Distributed systems
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2w
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Fall 2026 Intern - IT Wafer Systems Automation
San Jose, California, United States
$26-$30/hr OnsiteFull Time, Internship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing BS/MS in Computer Science/IT or related; basic programming in .Net/C#, Java, Angular, React, Python or JavaScript; understanding of process automation, cloud, strong problem-solving and communication; no prior experience required.
.Net, C#, Java, Angular, React, Python, JavaScript
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2mo
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Summer Engineering Intern
San Francisco, California, United States
$6k-$8k/mo OnsiteInternship
Varick Agents
Varick Agents: A fast-growing startup delivering AI solutions for large enterprises without mentioning the name.
Pursuing CS or related degree; strong programming fundamentals; full-stack capability; focus on code quality and reliable shipping; high initiative.
Python, JavaScript, React, Next.js, AWS, GCP, Azure, Graph databases, OCR, Information extraction, LLM APIs
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Software Engineer Intern Fall 2026/Winter 2027
San Mateo, California, United States
$47-$58/hr OnsiteInternship
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
Internship seeking a junior/senior/masters student with software/web development experience; proficient in Python, Golang, or JavaScript/TypeScript; familiar with REST APIs, Linux, databases, and cloud services.
Python, Go, JavaScript, TypeScript, REST, Linux, PostgreSQL, MySQL, Redis, Memcached, AWS, GCP, Azure
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1mo
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AI & Automation Intern (Fresno, CA, US, 93706)
Fresno, California, United States
$25/hr OnsiteFull Time, Internship
Trillium Flow Technologies
Trillium Flow Technologies: Manufacturer of industrial valves, pumps, and flow control systems.
Currently pursuing a relevant Bachelor's degree; experience or exposure to AI platforms, SQL, programming (Python, PowerShell, JavaScript, VBA), and automation platforms preferred; strong analytical and technical support skills.
SQL, Microsoft Power Automate, Microsoft Power Apps, UiPath, Python, PowerShell, JavaScript, VBA
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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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1w
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Platform User Operations Project Intern (TikTok Platform Responsibility) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Bachelor's in CS or related; familiarity with HTML, JavaScript, SQL, HTTP; strong problem-solving, analytical and communication skills; ability to work independently and with engineering teams.
HTML, JavaScript, SQL, HTTP
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2mo
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Software Engineer Intern (2026 Summer)
San Diego, California, United States
$5k-$7k/mo OnsiteInternship
Whova
Whova: All-in-one platform for event management and attendee engagement.
Currently enrolled as a junior/senior, master’s, or doctoral student in a computer science/engineering field; strong understanding of data structures, algorithms, and computer systems.
JavaScript, TypeScript, HTML, CSS, REST APIs, Front-end development, Back-end development
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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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Software Engineer Intern
Los Angeles, California, United States
$30/hr HybridInternship
Centerfield
Centerfield: Drives customer acquisition through performance marketing and digital brands.
Required experience with C#/.NET, SQL, HTML/CSS/JavaScript, source control and OOP; pursuing a Computer Science degree; local to Playa Vista and available to work in-office three days/week.
C#, .NET, SQL, HTML, CSS, JavaScript, React, Node.js, Python, Java, AWS, Google Cloud Platform (GCP), Kafka, Amazon SQS, RabbitMQ, Docker, REST APIs
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Software Engineering Intern, MS, Summer 2027
California or Georgia or Texas or Colorado or Massachusetts or Washington or Illinois or Wisconsin or New York or Oregon or Pennsylvania or North Carolina or Virginia
$98k-$131k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a Master's in CS or related field, experience coding in two or more general-purpose languages, knowledge of data structures/algorithms, English proficiency, available to work full-time for 12 weeks in the U.S.
C, C++, Java, JavaScript, Python, C#, Kotlin, Go, Typescript, Unix/Linux, Electronic Medical Records (EMR)
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