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57 software engineer internship jobs at 43 companies in Vacaville, CA

1mo
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Software Engineer Internship
San Francisco, California, United States
$65/hr OnsiteFull Time, Internship
Lindy
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.
TypeScript, GraphQL, Relay, Kubernetes, GCP, Python, JavaScript
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1w
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Software Engineer (Internship, Summer 2027)
San Francisco, California, United States
OnsiteInternship
Heliux
Heliux: Software platform for managing industrial and manufacturing operations.
Proven experience building scalable software systems; proficiency in Rust, Python, Java, or TypeScript; strong urgency, problem-solving, and communication skills.
Rust, Python, Java, TypeScript
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1d
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Software Engineer - Intern
San Francisco, California, United States
OnsiteFull Time, Internship
Kastle
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.
Python, Java, Go, JavaScript, TypeScript, C++, APIs, databases, cloud platforms
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4d
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Entry-Level Software Engineer
Dallas or Seattle or Houston or San Francisco or Chicago or Philadelphia or El Segundo or Atlanta or New York
$80k-$92k/yr HybridFull Time
Pariveda
Pariveda: Provides technology and strategy consulting for business growth.
Pursuing a Bachelors or Masters in MIS, Computer Science, or Computer Engineering (graduation Dec 2026–Aug 2027); legal US work authorization without sponsorship; software development or internship experience; strong communication and problem-solving skills.
AWS, Azure, Google Cloud, Databricks, PySpark, CI/CD, Docker, Terraform, Azure OpenAI, AWS Bedrock, LangChain, Python, Java, SQL, JavaScript, .NET, React, Angular
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4w
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Software Engineer, New Grad
San Francisco, California, United States
$150k-$180k/yr OnsiteFull Time
Pylon
Pylon: AI-native customer support platform for B2B companies.
Pursuing a bachelor’s or master’s in CS/engineering, available Summer 2027; internship or side-project experience, strong full-stack fundamentals, willing to work onsite in San Francisco.
React, Golang, GraphQL, AWS
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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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5d
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Software Engineering Internship 2027
San Francisco, California, United States
$62/hr HybridInternship, Full Time
Samsara
SamsaraNYSE: IOT: Connected Operations Cloud platform for physical operations and IoT.
Currently a junior on track to complete a relevant bachelor’s degree in 2028–2029; hybrid internship (3 days/week in San Francisco); full-time paid internship; submit resume and answer application questions.
Golang, TypeScript, React, GraphQL, React Native
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3mo
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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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3mo
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Software Engineer II, Developer Experience
Livingston or New York or Bellevue or San Francisco or Sunnyvale
$109k-$204k/yr HybridAll Commitments Available
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
2+ YOE2+ years of software engineering; Go or Python; cloud-native services; Kubernetes basics; CI/CD; interest in AI-powered tooling.
Go, Python, Kubernetes, CI/CD, Cloud
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2mo
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Co-Op, Software Engineer - Action Runtime
San Francisco or New York City or Seattle or Little Rock
$31-$49/hr OnsiteFull Time, Internship
LiveRamp
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.
Java, Core Java, Hadoop, Spark, SingleStore, GCP, AWS, Azure, Kubernetes, Cadence, Scala, React, Ruby on Rails, Node.js, TypeScript, Express.js
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2mo
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Internship: General Application
Davis, California, United States
$25-$50/hr OnsiteInternship
Elve
Elve: Manufactures high-efficiency power amplifiers for high-speed wireless networks.
0+ YOEEnrolled or recent graduate; technical breadth across engineering, business, or startup domains; hands-on, collaborative, fast-learning mindset; 12-week commitment.
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3w
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Software Engineer (Agent Platform) - Intern - 2026-2027
San Francisco, California, United States
OnsiteInternship
Netic
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.
Python, asyncio, FastAPI, TypeScript, Node, React, LLM APIs, LangChain, MCP, RAG, eval frameworks
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3mo
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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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2w
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Software Engineer Intern - Enterprise Systems (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
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.
Python
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1d
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Software Engineer Intern - Summer 2027
New York City or Seattle or Los Angeles or Mountain View or San Francisco
$70/hr OnsiteInternship
Atoms
Atoms: Building robotics and software to automate physical world industries.
Pursuing a bachelor's or master's in computer science, engineering, or related field; minimum 3.7 GPA, introductory computer science coursework, and advanced programming experience.
Go, Python, Ruby, Java, Kotlin, C, C++
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2mo
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Software Engineer, Sales
San Francisco, California, United States
$134k-$209k/yr HybridMultiple Commitments Available
DocuSign
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
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1mo
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iOS Mobile Software Developer I
Seattle or San Francisco or Detroit
$119k-$145k/yr HybridFull Time
Rocket Companies
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
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16h
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2026 Intern Conversion – 2027 Technology Summer Internship Program
San Francisco or Concord or San Leandro
$46-$63/hr HybridInternship, Full Time
Wells Fargo
Wells FargoNYSE: WFC: Provides banking, investment, mortgage, and consumer finance products.
0.5+ YOERequires 6+ months of experience or equivalent; preferred computer science or technology STEM bachelor's studies, software development knowledge, algorithms, APIs, cloud, programming, AI, and collaborative problem-solving skills.
Java, .NET Core, ReactJS, Node.js, AngularJS, jQuery, JavaScript, Spring Boot, API, Microservices, Harness, OpenShift, Microsoft Azure, Google Cloud, Python, TensorFlow, NumPy, Pandas, MongoDB, MySQL, SQL, GitHub
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1w
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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
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2mo
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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
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