63 software developer internship jobs at 44 companies in Vacaville, CA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
Lindy: AI-powered platform for building and managing autonomous virtual assistants.
Currently enrolled in CS/Software Engineering or related program; experience with JavaScript/TypeScript or Python; exposure to AI/ML and web development; built side projects; teamwork and passion for AI.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOE1+ years non-internship software development; 1+ years professional experience; knowledge of modern languages/frameworks; strong CS fundamentals; Bachelor's in Computer Science or equivalent.
KlaviyoNYSE: KVYO: Customer data platform for e-commerce marketing and automation.
Master's degree in CS/CE/SE/Electronics/Electrical required. Experience with Python, AWS cloud technologies, Agile Scrum, and UI/UX via coursework, project, thesis, or internship.
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.
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.
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.
$134k-$209k/yrHybridMultiple Commitments Available
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
5+ YOE5+ years IT apps with Salesforce configuration, customization and support; frontend experience with Salesforce integrations; Aura/LWC development; Salesforce Cloud products; Einstein Analytics; SaaS apps like Eloqua, D&B Optimizer, ZoomInfo, Outreach; Salesforce Platform Developer I preferred.
Salesforce, Aura, Lightning Web Components, Einstein Analytics, CI/CD, Data Loader, Web Services, Angular, React, Sales Cloud, Service Cloud, Experience Cloud, Eloqua, D&B Optimizer, ZoomInfo, Outreach, Apex
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.
San Francisco or New York City or Seattle or Little Rock
$31-$49/hrOnsiteFull Time, Internship
LiveRampNew York Stock Exchange: RAMP: Provides a platform for secure data collaboration and identity.
Pursuing or completed a CS/STEM degree, strong coding skills, readiness to commit production code, willingness to learn; internships 12–24 weeks with mentor and orientation training. Bonus: Java, big data, cloud, Kubernetes, React, TypeScript.
Netic: AI platform automating customer outreach and bookings for service businesses.
Internship-level role requiring familiarity with Python and TypeScript, CS fundamentals in distributed systems, exposure to LLM APIs/agent frameworks, and track record of shipping end-to-end projects.
Rocket CompaniesNYSE: RKT: Provides digital mortgage, real estate, and personal finance services.
0.5+ YOEBachelor's in CS or related, 6+ months native iOS experience, Swift and SwiftUI proficiency, internship or professional experience, strong communication and CS fundamentals.
Swift, SwiftUI, GitHub Copilot, Anthropic Claude Code, Cursor
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.
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.
Sr Staff Software Development Engineer _ Firefly Boards
San Francisco or San Jose
$174k-$331k/yrOnsiteAll Commitments Available
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
5+ YOE5+ years of product software development experience; web apps; JavaScript/TypeScript; UI libraries (React, Lit, Vue); CSS/HTML; strong architecture and testable code.
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
Recent computer science or related degree graduate; strong programming skills; able to work in-person in SF or NYC for 12 weeks; good collaboration and communication.