98 software developer intern jobs at 73 companies in Cotati, CA
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Software Engineer Intern
San Francisco, California, United States
OnsiteInternship
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.
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.
Kastle: Automates mortgage lending workflows using AI-driven voice agents.
Pursuing or recently completed a computer science, software engineering, or related degree or bootcamp; programming experience in at least one named language; personal, coursework, hackathon, or internship projects.
New York City or Seattle or Los Angeles or Mountain View or San Francisco
$70/hrOnsiteInternship
Atoms: Building robotics and software to automate physical world industries.
Pursuing a bachelor's or master's in computer science, engineering, or a related field; 3.7 GPA minimum, introductory computer science coursework, and advanced programming experience.
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.
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.
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.
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.
Zipline: Operates an autonomous drone delivery system for medical supplies.
Pursuing EE/CS/CE degree (completed 2nd year), experience designing electromechanical systems, proficient in C/C++/Python/Rust, experience with RTOS or embedded Linux, familiarity with schematics, oscilloscopes, and CAN/SPI/UART.
Cursor: AI-native code editor for software development.
Experience building internal developer platforms, durable workflow orchestration (Temporal or similar), deployment/CI/CD tooling, service mesh, and strong software engineering fundamentals.
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.
FigmaNew York Stock Exchange: FIG: Collaborative interface design and prototyping software for teams.
Clean coding experience in a general-purpose language, core computer science knowledge, technical problem-solving experience, and strong communication and collaboration skills.
Software Engineer Intern - Enterprise Systems (Fall 2026)
San Francisco, California, United States
$29/hrOnsiteInternship
Astranis: Builds and operates small geostationary communications satellites.
Currently pursuing a B.S. or M.S. in CS/ECE/CE, experience with Python, ability to design/write/test software; embedded, frontend, and devops experience are a plus.
Broccoli: AI agents for home service business front-office operations.
Strong software engineering fundamentals, production-quality code, full-stack with backend focus, experience building internal tools or growth systems, comfortable in ambiguity and cross-functional work.
Metriport: Provides an open-source API for healthcare data interoperability.
3+ YOE3+ years in software engineering, automation, or internal tools; TypeScript and React proficiency; integration experience; security mindset; self-directed; willing to relocate to San Francisco Bay Area.
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years professional software engineering experience; proven production systems experience; internal tools/platform building; strong product judgment; hands-on experience with AI development tools or agents.
Clera: AI talent agent matching professionals with high-growth startup roles
0.5+ YOECurrently pursuing a computer science or software engineering degree; 6+ months of React and TypeScript experience, plus production experience with Cursor, Supabase, Prisma, and Typesense.
San Francisco or New York City or Portland or Canada or United States
$201k-$251k/yrHybridFull Time
Mercury: Banking services and financial software designed for startup companies.
6+ YOE6+ years frontend software experience with deep React and TypeScript knowledge; experience leading cross-team engineering projects and maintaining internal libraries; strong communication and observability skills.
Terranova: Building robotic systems to elevate land for flood resilience.
Working toward a bachelor's degree or higher in computer science or a related field; experience with TypeScript, React/Next.js, Node/FastAPI/Go, cloud infrastructure, and U.S. permanent residency required.