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255 developer intern jobs at 160 companies in Aliso Viejo, CA

2mo
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Firmware Engineer Intern
Irvine, California, United States
OnsiteInternship
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
0+ YOEEnrollment in a Bachelor’s or Master’s program; 30-40 hours/week; proficiency in C/C++; RTOS exposure; strong problem-solving and communication skills.
C/C++, RTOS, Git, Embedded systems
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2mo
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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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2w
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Brasstech
BrasstechNYSE: MAS: Manufacturer of premium kitchen and bathroom fixtures and accessories.
Mechanical or Industrial Engineering student; no experience necessary; experience with Microsoft Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office
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6d
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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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5d
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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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6d
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Manufacturing Engineer Intern
South Gate, California, United States
OnsiteMultiple Commitments Available
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Pursuing a BS in engineering or business management; requires analytical, technical, communication, organizational, and problem-solving skills, plus Microsoft Office proficiency and ability to interpret blueprints and specifications.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft Outlook
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3w
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Web Developer Intern
Pasadena, California, United States
OnsiteInternship
Expatiate Communications
Expatiate Communications: Provides special education management and therapeutic services to school districts.
Pursuing or recently completed relevant degree; basic OOP and web fundamentals; familiarity with HTML/CSS/JavaScript; eagerness to learn full-stack, databases, version control, and cloud; Live Scan and TB clearance required.
C#, .NET, HTML, CSS, JavaScript, React, Svelte, Microsoft SQL Server, Azure SQL, MongoDB, Postman, Swagger, JWT, Git, GitHub, GitHub Actions, Microsoft Azure, Figma
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2mo
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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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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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4d
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Grant Writing Intern
Los Angeles, California, United States
RemoteInternship
Our National Conversation
Our National Conversation: Nonpartisan news media outlet hosting civil dialogue and policy solutions.
English communication skills, Google Workspace experience, organization, confidentiality, remote self-management, deadline management, meeting attendance, and U.S. authorization to intern.
Google Workspace, Zoom, Slack
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2w
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Masco
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical or Industrial Engineering student; no prior experience necessary; experience with MS Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office
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1w
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Sales Engineer Intern
Santa Fe Springs, California, United States
$20/hr OnsitePart Time, Internship
RD Rubber Technology Corporation
RD Rubber Technology Corporation: Manufacturer of custom precision molded rubber components.
Open to engineering majors; strong written/verbal communication, market research, business development, MS Office proficiency, organized, results-driven; available 15–25 hrs/week.
Microsoft Office
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1mo
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Intern
Rancho Cucamonga, California, United States
OnsiteInternship
Hillside Community Church
Hillside Community Church: Religious institution providing worship services and community programming.
Internship providing ministry training and leadership development; plan and execute events, foster community connections; 10–20 hours/week from late Aug 2026 to early May 2027.
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1mo
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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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1mo
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ME Intern
Irvine, California, United States
$18-$28/hr OnsiteInternship, Part Time
One-Cycle Control
One-Cycle Control: Manufacturer of high-performance power electronics and conversion technology.
US citizen or Green Card required; ability to read work orders, follow instructions, good communication, attention to detail; minimum 16 hours/week; background check and drug test possible.
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2d
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MBA Intern, Corporate Strategy & Growth
Los Angeles, California, United States
$18/hr OnsiteMultiple Commitments Available
OneTeam Partners
OneTeam Partners: Commercializes group licensing, marketing, and media rights for athletes.
2+ YOECurrently pursuing an MBA; 2+ years preferred in consulting, investment banking, private equity, corporate strategy, or business development. Requires analytical, problem-solving, communication, and organizational skills.
Microsoft Excel, Microsoft PowerPoint
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1d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
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1w
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Project Engineer Intern
Escondido, California, United States
$23-$25/hr OnsiteInternship
One Stop Systems
One Stop SystemsNASDAQ: OSS: Manufacturer of high-performance ruggedized edge computing systems.
High school diploma required; engineering college students preferred. Self-motivated, organized, able to lift ~50 lbs, perform engineering and design tasks under supervision, and work in office/warehouse environments.
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3mo
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Research Intern
Carlsbad or New York
OnsiteFull Time, Internship
Gemological Institute of America
Gemological Institute of America: Provides gemstone grading, gemology education, and scientific research services.
Actively enrolled in a bachelor’s or graduate degree program; gemology or related science preferred.
MS Office
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3w
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Hydrogeology Intern
Lakewood, California, United States
$26-$28/hr FieldPart Time
Water Replenishment District of Southern California
Water Replenishment District of Southern California: Manages and protects groundwater resources for Southern Los Angeles County.
Enrolled full-time in a bachelor’s or graduate program in geology/hydrogeology or related field; able to work 10–24 hrs/week; experience with Microsoft Office; fieldwork and data analysis capabilities required.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, ArcGIS
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