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81 software internship jobs at 55 companies in Fairfield, 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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2d
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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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6d
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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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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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2w
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Summer 2027 - Software Engineering Internship
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing a Bachelor's or Master's in a technical field, experience with one or more programming languages (C,C++,Python,Java,Go,SQL,JavaScript), strong problem-solving and communication skills.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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15h
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[2027] Software Engineer, Early Career
San Mateo, California, United States
$153k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
Degree or equivalent practical experience; software engineering experience through coursework, internships, projects, or roles; proficiency in one or more listed programming languages; collaboration and adaptability.
C#, Lua, Java, Go, Node.js, Ruby, Python, C++, Swift, machine learning frameworks, large language models (LLMs), Roblox Studio IDE, DevOps
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2d
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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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3w
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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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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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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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5d
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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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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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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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Software Engineer - Consumer Medical Testing
Fremont, California, United States
$124k-$133k/yr OnsiteAll Commitments Available
UL Solutions
UL SolutionsNYSE: ULS: Provides safety science testing, inspection, and certification services globally.
4+ YOESoftware development experience; JavaScript/TypeScript; HTML/CSS; React; Node.js; 4 years total; US work authorization; onsite Fremont, CA; Bachelor's in CS.
HTML, CSS, Tailwind CSS, JavaScript, TypeScript, React.js, antd, shadcn, Redux, React Context API, Node.js, Python, Express.js, SQLite, MySQL, MongoDB
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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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1mo
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Enterprise Systems 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 (CS or related) or be a grad student; experience building software via internships/projects; strong programming fundamentals in Python, Go, React, or TypeScript; able to work full-time onsite Fall 2026.
Python, Go, React, TypeScript
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4w
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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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1w
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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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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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