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277 developer intern jobs at 185 companies in Napa, CA

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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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
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4w
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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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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
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2mo
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AI Kernel Engineer Intern - Kernel Optimization
Burlingame, California, United States
$45-$60/hr OnsiteTemporary, Internship
Quadric
Quadric: Designing licensable processor IP for on-device AI inference.
MS student in CS/CE or related fields; proficient in C/C++/Python; experience in kernel implementation and optimization; experience in performance profiling.
C++, Python, ONNX, Profiling Tools
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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.
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2mo
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PROJECT ENGINEER INTERN
Sacramento, California, United States
OnsiteInternship, Full Time
Deacon Construction
Deacon Construction: Provider of commercial construction and general contracting services.
Pursuing Bachelor's in Architectural, Engineering, or Construction Management; basic MS Office; familiarity with Prolog and MS Project; strong communication and teamwork.
MS Word, MS Excel, MS Outlook, Prolog, MS Project
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1mo
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Intern - Industrial Engineer
San Leandro or San Jose
$25-$32/hr OnsiteFull Time, Internship
Lyten
Lyten: Manufactures graphene-enhanced batteries, materials, and industrial sensors.
0+ YOEPursuing Bachelor’s or Master’s in Industrial Engineering; organized, fast learner; proficient in MS Word and Excel; strong communication; able to lift 20-30 lbs and stand up to 5 hours.
Microsoft Word, Microsoft Excel
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1w
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Civil Engineer Intern
Concord, California, United States
$25-$34/hr OnsiteTemporary
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
Currently enrolled in civil engineering or related degree with ≥60 credits and 3.0 GPA, able to complete 40-hour OSHA HAZWOPER, 18+ with clean driving record and US citizenship for base access; strong analytical and communication skills.
AutoCAD Civil 3D
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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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2mo
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Mechanical Engineer Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Pursuing BS in mechanical/aerospace or related field; hands-on hardware development; able to design/build/test hardware; willingness to apply even if not meeting all criteria.
CAD, Finite Element Analysis, Thermal Analysis, Control System Modeling
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1mo
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Founding Engineer Intern
San Francisco or South America
OnsiteFull Time, Internship
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
0.5+ YOE6+ months production experience with React and TypeScript; hands-on experience with Cursor, Supabase, Prisma, and Typesense; full‑stack focus; currently pursuing a CS or related degree; willing to work 7 days/week and attend hacker-house periods.
React, TypeScript, Cursor, Supabase, Prisma, Typesense
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2mo
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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
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3d
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Software Engineering Intern, Device Experiences
San Francisco, California, United States
OnsiteFull Time
HP
HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.
Internship in software engineering focused on device experiences; role entails participating in software development and team projects.
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2w
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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
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1w
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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
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4d
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ML & Cloud Infrastructure Engineer Intern
South San Francisco, California, United States
OnsiteInternship
Gritt Robotics
Gritt Robotics: Developing autonomous robots to automate outdoor construction tasks.
Pursuing BS/MS/PhD in CS or related field; strong Python; familiarity with AWS/GCP, containers, CI/CD; experience building infrastructure or data systems; authorized to intern in the U.S.
Python, AWS, GCP, CI/CD, Kubernetes, Ray, Spark, Terraform
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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1w
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Design Engineer Intern
San Francisco, California, United States
$8k-$10k/mo OnsiteInternship
Gumloop
Gumloop: Platform for building AI automated workflows without code.
Final-year student in design, CS, or related field with hands-on TypeScript and React experience, portfolio, product intuition, and exposure to design systems and frontend development.
TypeScript, React, Tailwind CSS, Next.js, TanStack Query, Figma
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3mo
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Mechanical Engineer Intern (Spring-Summer 2026)
San Francisco, California, United States
$20-$55/hr OnsiteFull Time, Internship
Deft Robotics
Deft Robotics: Developing AI-powered wheeled humanoid robots for manufacturing automation.
0+ YOEPursuing Bachelor’s or Master’s in ME, EE, Robotics, Mechatronics; CAD design; GD&T; prototyping; design for manufacturing; PCBAs and electronics packaging; strong communication.
Onshape, CAD, FEA, GD&T, Python, Matlab, PCBAs, electronics packaging
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