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72 intern software jobs at 56 companies in Costa Mesa, CA

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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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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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Software Engineer Intern (Foundation Platform) - 2027 Summer
San Jose or Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing an undergraduate or master's degree in software development, computer science, computer engineering, or a related technical field; experience with Python, Java, Golang, C#, or C++.
Python, Java, Golang, C#, C++
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2mo
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Software Engineering Intern, Applications - Fall 2026
Irvine or Palo Alto
$38-$51/hr OnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle software, connectivity, and infotainment solutions for electric vehicles.
Must be an enrolled Bachelor's or Master's student; proficiency in Kotlin and Android (Android Jetpack) required; Android app development experience and Jenkins (CI) preferred.
Kotlin, Android, Android Jetpack, Jenkins
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1mo
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Software Engineer Intern
Los Angeles, California, United States
$30/hr HybridInternship
Centerfield
Centerfield: Drives customer acquisition through performance marketing and digital brands.
Required experience with C#/.NET, SQL, HTML/CSS/JavaScript, source control and OOP; pursuing a Computer Science degree; local to Playa Vista and available to work in-office three days/week.
C#, .NET, SQL, HTML, CSS, JavaScript, React, Node.js, Python, Java, AWS, Google Cloud Platform (GCP), Kafka, Amazon SQS, RabbitMQ, Docker, REST APIs
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1mo
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Software Engineer, iOS, Level 5
Santa Monica or Los Angeles
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
6+ YOE6+ years software development experience, iOS application development, strong CS fundamentals, Objective-C/iOS internals, multithreading and performance optimization, Bachelor’s in CS or equivalent experience.
Objective-C, Objective-C Runtime, Swift, C, C++, OpenGL, Metal
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3w
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AI-First Engineering Intern
Los Angeles, California, United States
$20-$25/hr OnsiteInternship
Xsolla
Xsolla: Provides payment and monetization tools for game developers.
Experience using agentic AI coding tools, full-stack development comfort, proof-of-work portfolio (GitHub or deployed projects), currently a CS/software student or recent graduate, strong initiative and communication.
Claude Code, Cursor, Copilot, GitHub, APIs, SDKs, Loom
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2d
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Engineering Intern
Beverly Hills, California, United States
$4k/mo OnsitePart Time
StudyFetch
StudyFetch: AI-powered platform providing interactive study tools for students.
Currently enrolled in a bachelor's in CS or related, comfortable with JavaScript/TypeScript, able to read others' code, strong communication and organization.
JavaScript, TypeScript, React, React Native, Next.js, Node.js, Git, Linear, Cursor, Vercel, LLM API
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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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3w
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Software Engineering Internship - Fall 2026
Torrance, California, United States
OnsiteFull Time
Vital Lyfe
Vital Lyfe: Develops portable devices that produce clean drinking water anywhere.
Strong programming fundamentals; experience with Python or TypeScript; familiarity with APIs, web applications, cloud systems; practical problem-solving and ownership mindset.
Python, TypeScript, React, SQL, AWS
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3w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
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1mo
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Software Engineer, Staff
New York City or San Francisco or Seattle or Los Angeles or United States
$214k-$248k/yr RemoteFull Time
Check
Check: Provides embedded payroll infrastructure for software platforms.
Staff-level ownership of production systems, experience building internal tools or platforms, strong debugging and design skills, ability to collaborate cross-functionally, and willingness to work with Python/Django, React, TypeScript, AWS, Terraform, Postgres, Temporal, and GitHub.
Python, Django, React, TypeScript, AWS, Terraform, Postgres, Temporal, GitHub
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2w
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Software Engineer 2
Irvine, California, United States
$83k-$132k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
3+ YOEBS/MS/PhD in CS/EE or similar; 3+ years relevant experience for BS (0+ for MS/PhD); strong in C/C++, Golang, Python; deep Linux/Unix internals; containerization and Kubernetes experience; strong communication skills.
C, C++, Golang, Python, Docker, containerd, Kubernetes
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2d
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Summer 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+ YOEEnrolled in a bachelor’s or graduate program, 3+ months coding experience, programming in C/C++/C#/Java/JavaScript/Python, U.S. work-authorization per ITAR, strong communication and debugging skills.
C, C++, C#, Java, JavaScript, Python
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3d
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Intern, Safety & Environmental
Orange, California, United States
$20-$23/hr OnsitePart Time, Internship
Orange County Transportation Authority
Orange County Transportation Authority: Operates public transportation and manages infrastructure for Orange County.
Current full-time college enrollment in a relevant field, minimum 2.5 GPA, strong analytical and communication skills, proficiency with Microsoft Office, and ability to learn new software.
Microsoft Office
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1mo
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Staff Software Engineer, Internal Tools
New York City or San Francisco or Los Angeles
$227k-$325k/yr HybridFull Time
Tubi
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
8+ YOE8+ years software engineering experience; deep distributed systems expertise; strong full‑stack skills with Node.js/TypeScript, React/TypeScript, PostgreSQL/Drizzle ORM, and Python; experience integrating LLMs/AI into production systems.
Node.js, TypeScript, Express, React, PostgreSQL, Drizzle ORM, Python, OpenAI, Google Gemini, Claude Code, Codex, Cursor, MCP, LLM
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1mo
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Staff Software Engineer, Storage Platform
Long Beach, California, United States
$181k-$249k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOE5+ years kernel/driver development experience (PCI/PCIe, block storage), strong Linux internals and storage systems (ZFS/OpenZFS, NVMe, NFS), experience with fault injection and reliability modeling, hardware lab prototyping.
Linux, OpenZFS, ZFS, NFS, NVMe, PCI, PCIe, Yocto, Buildroot, ftrace, perf, bpftrace, kdump, vmcore, serial console, logic analyzer
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2mo
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Utility Intern
Long Beach, California, United States
$22-$26/hr OnsiteMultiple Commitments Available
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate or graduate engineering program; basic Microsoft Office skills; attention to detail, problem-solving and communication skills; able to work ~20 hours/week on-site; GPA and software familiarity preferred.
Microsoft Office
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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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2d
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Intern - Water Use Efficiency
Fountain Valley, California, United States
$24-$33/hr OnsitePart Time
Municipal Water District of Orange County
Municipal Water District of Orange County: Wholesale water provider and regional resource planning agency.
Enrolled college student; high school diploma/GED; basic knowledge of water use efficiency beneficial; able to perform research, use office software, communicate clearly, and handle occasional physical tasks up to 25 lbs.
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