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178 software engineer internship jobs at 70 companies in San Mateo, 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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5d
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Software Engineer (New Grad)
Redwood City, California, United States
$83k-$104k/yr OnsiteFull Time
Retell AI
Retell AI: Develops human-like AI voice agents for automated call centers.
Bachelor's in CS/CE/EE (already graduated), strong software engineering fundamentals, ability to thrive in startup, preferred internships or production software experience, backend/APIs/AI tooling experience.
APIs
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2w
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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2d
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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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2mo
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Software Engineer, Ads Product
Palo Alto, California, United States
$150k-$350k/yr OnsiteFull Time
xAI
xAI: Develops advanced artificial intelligence systems to understand the universe.
0+ YOEStrong software engineering fundamentals; interest in backend systems, data pipelines, or AI applications; ownership mindset; ability to ship; proven experience via internships, projects, research, open-source, startups, or full-time roles.
React, Golang, Python, Rust, gRPC, Java, Scala
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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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4d
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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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Software Engineer Intern - Robotics
Santa Clara, California, United States
$19-$65/hr OnsiteInternship
PlusAI
PlusAI: AI-based virtual driver software for factory-built autonomous trucks.
Internship position requiring robotics experience, embedded systems, Linux, ROS, C++, Simulink; strong communication and collaboration skills.
ROS, Linux, C++, Simulink
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1mo
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Software Engineer (2027 University Grad)
Sunnyvale, California, United States
$130k-$160k/yr OnsiteFull Time
Cylake
Cylake: Developing an AI-native cybersecurity platform for sovereign environments.
Bachelor's or Master's in Computer Science or related field, strong problem-solving and communication, internship or project experience encouraged; entry-level graduates welcomed.
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2mo
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Principal Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOE10+ years in software engineering; leadership in design/architecture; distributed systems and security services; Linux/Unix knowledge; microservices; databases.
Linux, Unix, Distributed Systems, Security, KMS, HSMs
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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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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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4d
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Spring 2027 Software Engineering Internship/Co-op
Bastrop or Brownsville or Cape Canaveral or Hawthorne or Irvine or McGregor or Palo Alto or Redmond
$30-$40/hr OnsiteInternship
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
0.25+ YOEEnrolled in a bachelor’s or graduate program,3+ months programming experience,proficient in one or more of C,C++,C#,Java,JavaScript,Python,US work-authorization required.
C, C++, C#, Java, JavaScript, Python
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2mo
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Software Engineer Intern
Redwood City, California, United States
$35-$40/hr HybridInternship, Temporary
PubMatic
PubMaticNASDAQ: PUBM: Operates a global digital advertising supply chain technology platform.
1+ YOEBS/MS in Computer Science (or equivalent); 1+ years development in C/C++ on Linux/UNIX; strong DS&A, OS/system programming, multithreading, production troubleshooting; scripting (Perl/Python/Shell) and MySQL experience.
C, C++, Linux/UNIX, Perl, Python, Shell, MySQL, Go
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