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414 intern software jobs at 215 companies in California

2mo
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Software Engineering Intern
San Francisco, California, United States
OnsiteInternship
SnailWorks
SnailWorks: SnailWorks provides mail tracking and delivery intelligence software for marketers.
Enrolled in Software Engineering/CS program; proficient in TypeScript, Python, or Go; able to read code; curious about data systems and LLM-driven apps; strong written communication; operator mindset.
TypeScript, Python, Go
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2d
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Technical Intern- Software
Mountain View, California, United States
$65-$80/hr OnsiteInternship
DensityAI
DensityAI: Designing custom AI hardware accelerators for large language models.
Pursuing a BS in CS/CE/EE, experienced in C/C++ or Python, strong CS fundamentals, interest in computer architecture, and ability to work independently in a startup.
C, C++, Python
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2mo
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Software Engineer Intern - Generalist
Fremont, California, United States
OnsiteInternship
Pony.ai
Pony.aiNASDAQ: PONY: Develops autonomous driving technology for passenger and freight transportation.
Strong programming in C/C++, Python; strong math/theory; interest in large-scale systems; pursuing CS degree; experience with large data, real-time systems; full-stack experience preferred; statistics experience preferred.
C, C++, Python, Software Design, Big Data, Real-time Systems
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3mo
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Software Engineer Intern
San Francisco, California, United States
OnsiteInternship
Kos
Kos: AI-powered automated financial operations for industrial infrastructure.
CS/ML student; hands-on project or internship; proficient in Python, TypeScript, or Go; experience with LLMs/agents; production-ready coder; able to work in SF onsite.
Python, TypeScript, Go, LLMs, agents, ERP integration
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2mo
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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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3w
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Software Development Intern
California, United States
$26-$40/hr RemoteFull Time
iHerb
iHerb: Global e-commerce retailer of health and wellness products.
Pursuing BS/MS in CS or related field; proficiency in C# or Java; backend/API or frontend experience; familiarity with REST, messaging, CI/CD, containers; strong communication and troubleshooting skills.
Microsoft .NET, C#, Java, TCP/IP, UDP, PLC, Prometheus, Grafana, OpenTelemetry, Docker, Kubernetes, RabbitMQ, Kafka, Redis, Android, ASP MVC, ReactJS, ReactNative, CI/CD
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1mo
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Software Engineer Intern (Fall 2026)
South San Francisco, California, United States
$54/hr OnsiteFull Time, Internship
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Must have completed second year of undergraduate studies (masters/PhD also eligible); strong CS fundamentals, passion for software development and product-focused engineering.
React Native, Python, Go
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5d
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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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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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2mo
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Software Engineer Intern - Robotics
Santa Clara, California, United States
$19-$65/hr OnsiteInternship
PlusAI
PlusAI: AI-based virtual driver software for factory-built autonomous trucks.
Internship position requiring robotics experience, embedded systems, Linux, ROS, C++, Simulink; strong communication and collaboration skills.
ROS, Linux, C++, Simulink
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12h
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Software Testing Intern
San Jose, California, United States
$6k-$8k/mo OnsiteInternship
NeuralTrak
NeuralTrak: Developing AI-powered intraoperative imaging software for spine surgery.
Currently pursuing a relevant engineering/computer science degree; strong attention to detail; comfortable with hardware/software lab testing; able to document and reproduce issues; Python/Jira/GitHub experience a plus.
Python, Jira, GitHub
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1mo
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Software Engineer Intern
San Diego, California, United States
$24-$39/hr HybridFull Time, Internship
Sony
SonyNYSE: SONY: Sells consumer electronics, video games, and entertainment media.
Currently enrolled undergraduate or graduate student in software engineering or related field; experience with Golang, Rust, NodeJS, MySQL, Vue, React; familiarity with Linux and shell; AWS, Docker, and CI/CD experience preferred.
Golang, Rust, NodeJS, MySQL, Vue, React, Linux, shell languages, AWS, Docker, CI/CD
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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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1mo
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Software Engineering Intern (Summer 2027)
San Francisco, California, United States
$7k-$10k/mo OnsiteInternship
Circleback
Circleback: AI-powered platform for capturing and managing workplace meeting intelligence.
Experience building end-to-end features (database to UI) for web, desktop, or mobile; prior project or role experience; strong attention to detail, ownership, and curiosity about product.
React, Electron, React Native
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1mo
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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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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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2mo
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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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11h
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[Summer 2027] Software Engineer Intern
San Mateo, California, United States
$62/hr HybridFull Time, Internship
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
Pursuing an undergraduate or graduate degree in computer science, engineering, or a related field; proficiency in at least one listed programming language; collaborative and eager to learn.
Go, Node.js, Ruby, Python, C++, Lua, Swift, C#, Java, machine learning frameworks, agentic coding tools, large language models (LLMs)
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1w
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Software Algorithm Embedded Intern
Santa Clara, California, United States
$32-$43/hr OnsiteInternship
STMicroelectronics
STMicroelectronicsNew York Stock Exchange: STM: Designs and manufactures semiconductor integrated circuits for electronics applications.
Pursuing a BS/MS in CS, EE, Physics or equivalent; experience with C/C++, Python, embedded algorithm implementation; EMR not mentioned.
C, C++, Python
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