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22 software test engineer intern jobs at 14 companies in California

1mo
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Test Software Engineer (Lead)
San Francisco, California, United States
$130k-$160k/yr OnsiteFull Time
Droyd
Droyd: Builds autonomous robotic systems and the software and hardware infrastructure to automate manual work in production environments.
Strong software engineering fundamentals; experience building internal tools, scripts, and test infrastructure; comfortable working close to hardware and debugging system-level issues; ability to set technical direction and lead a test team.
Python
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6d
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Test Automation Software Engineer Intern
San Jose, California, United States
$35-$45/hr OnsiteInternship, Full Time
SK hynix Memory Solutions America
SK hynix Memory Solutions AmericaKorea Exchange: 000660: Develops semiconductor controllers and firmware for enterprise data storage.
Pursuing or recently completed BS/MS in EE, CS, Math or related; proficiency in Python, Linux, shell/Powershell scripting, Ansible; experience with test automation and AI coding assistants; strong analytical skills.
Model Context Protocol (MCP), N8N, OpenClaw, Hermes, Ansible, Linux, Python, Claude Code, Cursor, GitHub Copilot, bash, Powershell, Git, Jenkins, Dockers, NVMe
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2d
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Software Development Engineer in Test Intern（TikTok-Testing）- 2027 Summer
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing CS/Electrical Engineering degree, fluent in Python, familiar with Java/Objective-C/Golang, available for a 12-week Summer 2027 internship, knowledge of API and software testing concepts.
Java, Python, Objective-C, Golang, RPC, REST API
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1mo
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Software Engineer II – Test/Internal Tooling
Los Angeles, California, United States
$140k-$164k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
3+ YOE3+ years software development experience with scripting (Python, JS) and systems (C++, Rust); experience building test infrastructure (HITL/SITL), Linux, CI, test frameworks, mentoring, and cross-functional collaboration.
Python, JS, C++, Rust, Linux, CI
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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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2mo
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Software Engineer (Customer Success), Developer Engagement
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Deliver exceptional developer experiences and build internal tools and services that support building and testing software at scale for Apple platforms (macOS, iOS, watchOS, tvOS).
Xcode
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3w
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Staff Software Engineer, Source Client
San Jose, California, United States
$207k-$301k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOEBachelor's degree or equivalent, 8+ years programming in C++, Java, Python, Kotlin or Go, 5+ years testing/launching products, 3+ years software design/architecture; experience with OS internals, VCS, AI/LLM integration.
C++, Java, Python, Kotlin, Go, Rust, Git, Mercurial, jj, Linux, macOS
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4w
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Software Engineering Intern- Python Modernization & Automation
San Diego, California, United States
$32-$38/hr OnsiteFull Time, Internship
Quantum Design
Quantum Design: Manufactures automated materials characterization and scientific measurement systems.
Currently pursuing a bachelor's in CS or related field with ~2 years coursework, Python coding experience, strong communication, problem solving, and attention to documentation and testing.
Python, Subversion (SVN), Git
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1d
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Software Engineering Intern, Dynamo - Fall 2026
Santa Clara, California, United States
$20-$71/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
Pursuing a BS, MS, or PhD in computer science or equivalent; strong Golang, Rust, or Python skills; algorithms, data structures, RESTful APIs, debugging, performance analysis, and testing knowledge.
Golang, Rust, Python, Kubernetes, Dynamo Python SDK, Dynamo Rust Runtime Core Library, vLLM, SGLang, TensorRT-LLM, llama.cpp, mistral.rs, GitHub, RESTful APIs
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1d
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Full Stack Software Engineer, Internal Systems
Hawthorne, California, United States
$125k-$195k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree or 2+ years experience in lieu; 1+ years full‑stack development; proficiency in software design, testing, CI/CD, profiling, and single‑page applications.
Python, C#.NET, Go, Scala, Java, Make, Bazel, Pants, Buck, Gradle, pip, npm, Terraform, Ansible, Puppet, Apache Kafka, RabbitMQ, ActiveMQ, Docker, Kubernetes, Angular, React, PostgreSQL, SQL Server
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3w
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Software Engineer Project Intern (Security-Data) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteIntern
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently pursuing a Bachelor's or Master's in CS, CE, Security, AI or STEM; strong CS fundamentals; proficiency in backend languages; experience with testing, code review, and debugging.
Python, Go, C++, Java
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2mo
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Project Engineer - Mission Autonomy
Costa Mesa, California, United States
$113k-$149k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOEBachelor's degree and 7+ years test engineering experience; DoD testing/regs knowledge; willingness for domestic/international travel; TS clearance eligibility; software development and autonomous vehicle testing experience.
Jira, Confluence, Sharepoint, GitHub Enterprise, CircleCI, Linux/Unix, GHE
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1mo
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Technical Program Management Intern (Bachelor's)
Irvine, California, United States
$38-$45/hr HybridFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle systems and integrating hardware and software for electric vehicles.
Currently enrolled in a US Bachelor's or Master's program; proficiency in C, C++, and/or Python; experience with Software Development Lifecycle; familiarity with systems engineering, test/validation, and Jira preferred.
C, C++, Python, Software Development Lifecycle, Jira, Agile, Waterfall
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2mo
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Javascript - Senior Developers - AI Training - Long Beach, US
Long Beach, California, United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related; professional experience building scalable web apps with JavaScript/TypeScript; ability to solve LeetCode Medium–Hard problems; deep knowledge of JS internals and modern ES6+ practices; expertise in testing and frameworks.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, LeetCode
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