346 software developer intern jobs at 176 companies in California

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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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
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
2mo
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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
1mo
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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
1mo
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Software Engineer Intern- Runtime, Robotics
Santa Clara, California, United States
$19-$65/hr OnsiteInternship
PlusAI
PlusAI: AI-based virtual driver software for factory-built autonomous trucks.
Internship focused on integrating ROS2 into a high-performance robotics software stack; proficiency in C++, ROS2, and Linux; ability to benchmark and optimize performance; on-vehicle deployment experience desired.
C++, ROS2, DDS, ROS Middleware, Linux
2mo
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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
1mo
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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
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
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
1mo
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Software Engineer Intern
Redwood City, California, United States
$35-$40/hr HybridInternship, Temporary
PubMatic
PubMaticNASDAQ: PUBM: Operates a global digital advertising supply chain technology platform.
1+ YOEBS/MS in Computer Science (or equivalent); 1+ years development in C/C++ on Linux/UNIX; strong DS&A, OS/system programming, multithreading, production troubleshooting; scripting (Perl/Python/Shell) and MySQL experience.
C, C++, Linux/UNIX, Perl, Python, Shell, MySQL, Go
1mo
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Software Engineer Intern - Machine Learning Workflow
Santa Clara, California, United States
$20-$30/hr OnsiteInternship, Temporary
Halo Industries
Halo Industries: Manufactures silicon carbide wafers using laser-based slicing technology.
0+ YOEPursuing or recent graduate in software/CS/engineering; Python or C# experience; works with structured workflows and large datasets; able to debug issues and follow processes.
Python, C#, Git
3mo
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Software Engineer Intern (Fall 2026)
San Francisco, California, United States
HybridInternship
Notion
Notion: Provides a unified workspace for notes, documents, and project management.
0+ YOEPursuing a bachelor's or master's in CS/engineering; must graduate before Summer 2027; prior internship experience; proficient in TypeScript, Node.js, or Python.
Typescript, Node.js, Python, React
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
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
1w
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Software Engineer, Intern
San Francisco, California, United States
OnsiteInternship, Full Time
Pylon
Pylon: AI-native customer support platform for B2B companies.
Pursuing a BS/MS in computer science or related field, graduating Dec 2026–Summer 2027; willing to relocate to San Francisco; strong full‑stack fundamentals; internship or side projects preferred.
React, Golang, GraphQL, AWS
1mo
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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
3d
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Software Engineer Intern
San Francisco, California, United States
$11k/mo OnsiteFull Time
Serval: AI platform for automating IT and enterprise service workflows.
Currently pursuing a technical degree (graduation 2026–2028), strong CS fundamentals, familiarity with a backend language (Go/Java/Python), clear communication, and eagerness to learn in a startup environment.
Go, gRPC, Kubernetes, React, TypeScript, AWS, Terraform
2mo
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Software Engineer Intern (Fall / Winter 2026)
San Francisco or Canada
RemoteInternship
Cohere
Cohere: Provides enterprise-grade large language models and AI software platforms.
Enrolled in a post-secondary program; available for a full-time 3-6 month internship; remote; roles across frontend, backend, full-stack, and infrastructure.
1mo
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ML Software Engineer Intern
San Jose, California, United States
OnsiteMultiple Commitments Available
SkyGig
SkyGig: Develops beamforming technology for high-speed wireless broadband communications.
Currently pursuing a CS/EE/Applied Math degree; strong Python; experience with PyTorch, TensorFlow, or scikit-learn; data processing with pandas/NumPy/SciPy; ML model evaluation; software engineering practices and collaboration skills.
Python, PyTorch, TensorFlow, scikit-learn, pandas, NumPy, SciPy
1mo
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Intern Conversion: Software Developer
Poughkeepsie or Lowell or Durham or Bellevue or San Jose or Dallas
$88k-$152k/yr HybridFull Time, Internship
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Must be currently enrolled in a Bachelor’s or Master’s in Computer Science or related field, available for an in-person full-time co-op (Jan–Jun 2026). Familiarity with HTML, CSS, JavaScript, React/Angular/Vue, backend tech (Node.js/Java/Python/SQL), Git/IDEs, APIs, containers, and cloud platforms. Must be able to work without visa sponsorship.
HTML, CSS, JavaScript, React, Angular, Vue, Node.js, Java, Python, SQL, Git, IDEs, APIs, IBM Cloud, AWS, Microsoft Azure, Linux, Unix, GO, NodeJS, Eclipse, Microsoft Visual Studio Code, PostgreSQL, MySQL, Db2, Oracle, SQL Server, Jenkins, Puppeteer, Selenium, Playwright, Cypress, Travis, REST API

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