HiringCafe
Join our community

426 software intern jobs at 230 companies in California

1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineering Intern
El Segundo, California, United States
$4k-$6k/mo OnsiteAll Commitments Available
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Internship requiring strong Python fundamentals, data handling, APIs, and SQL with interest in geospatial or sensor data.
Python, APIs, SQL
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineering Intern
Palo Alto, California, United States
$8k-$10k/mo OnsiteInternship
GenBio AI
GenBio AI: Developing AI foundation models to simulate and program biology.
0+ YOECurrently enrolled in a full-time Master’s or Ph.D program; strong CS fundamentals; frontend React/TypeScript; backend with FastAPI; self-starter in fast-paced startup.
React, TypeScript, FastAPI, Python, REST, SQL, NoSQL, Docker
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Development Intern
United States or California
$26-$40/hr RemoteInternship
iHerb
iHerb: Online retailer of vitamins, supplements, and health products.
Pursuing BS/MS in CS/CE or related; proficiency in C# or Java and Microsoft .NET; familiarity with ASP MVC/ReactJS/ReactNative, Docker/Kubernetes, databases, CI/CD, testing, and strong communication skills.
Microsoft .NET, C#, Java, TCP/IP, UDP, PLC, ASP MVC, ReactJS, ReactNative, Prometheus, Grafana, OpenTelemetry, Docker, Kubernetes, RabbitMQ, Kafka, Redis, Android, SAP, CI/CD
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Flight Software Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Currently enrolled BS students in CS/ECE or equivalent; experience with C/C++ and scripting, ability to design/write/test software; U.S. citizenship or lawful permanent residency/refugee/asylee required.
C, C++
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineering Intern, Backend & API
Glendale, California, United States
$25-$35/hr HybridInternship
Moon
Moon: Building an AI-powered SaaS platform for business operations.
C# coursework or project experience; REST API design; SQL and data skills; willingness to learn .NET specifics.
.NET, React, Capacitor, Python, Cursor, Copilot, Claude
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all

Explore Jobs

Expand Your Job Search