HiringCafe
Join our community

147 intern software jobs at 103 companies in Vallejo, CA

2mo
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
2mo
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
3mo
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
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
1mo
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
5d
Save
Mark Applied
Hide
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
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
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
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
14h
Save
Mark Applied
Hide
[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)
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineering Intern – Distributed Simulation Systems
Emeryville, California, United States
$25-$60/hr HybridFull Time, Internship
Astera Institute
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
Strong programming fundamentals; experience with C++, Python, or similar systems languages; familiarity with Linux; understanding of data structures, algorithms, and concurrency; interest in distributed systems and systems engineering.
C++, Python, Linux, MuJoCo, Unity, Unreal, PyTorch, CUDA
Job PostingView all
3mo
Save
Mark Applied
Hide
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.
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineering Intern, Applications - Fall 2026
Irvine or Palo Alto
$38-$51/hr OnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle software, connectivity, and infotainment solutions for electric vehicles.
Must be an enrolled Bachelor's or Master's student; proficiency in Kotlin and Android (Android Jetpack) required; Android app development experience and Jenkins (CI) preferred.
Kotlin, Android, Android Jetpack, Jenkins
Job PostingView all
2mo
Save
Mark Applied
Hide
SWE Intern
San Francisco, California, United States
OnsiteInternship
Chasi
Chasi: AI revenue engine for construction equipment dealers.
1+ YOE1+ internships in production software; full-stack TS/React with backend; experience with LLMs; real-time systems; strong architectural judgment; customer-facing; ownership.
Next.js, TypeScript, PostgreSQL, Redis, Twilio, LiveKit, OpenAI, Anthropic, Deepgram, Vector Databases
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer Intern - Generalist
Fremont, California, United States
$7k-$10k/mo OnsiteInternship
Pony.ai
Pony.aiNASDAQ: PONY: Develops autonomous driving technology and operates robotaxi services.
Pursuing BS/MS/PhD in CS or related field; strong C/C++ and Python skills; foundation in math and CS theory; experience with large data processing and real-time systems preferred.
C/C++, Python
Job PostingView all
2w
Save
Mark Applied
Hide
Rust Software Engineering Intern (Chip Design Tools) - Fall 2026
San Francisco, California, United States
$40-$46/hr OnsiteInternship
fab2
fab2: Designing and manufacturing custom semiconductor fabrication equipment and factories.
Strong Rust or systems C++ experience, systems fundamentals, performance and concurrency skills, portfolio/GitHub required; willingness to learn chip design.
Rust, C++, Bevy, wgpu, Axum, WebAssembly, PostgreSQL, Protobuf, Flatbuffers, Cap\u0002n Proto, WebGPU, Vulkan, OpenGL, GitHub
Job PostingView all

Explore Jobs

Expand Your Job Search