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38 intern software engineer jobs at 30 companies in Lake Forest, CA

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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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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2w
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Embedded Software Engineer (Entry-Junior)
Los Angeles, California, United States
$90k-$161k/yr OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
0+ YOEBachelor's degree (or equivalent),0–2 years experience in systems/embedded software,foundational C/C++/Rust knowledge,Linux internals familiarity,and interest in hardware-software integration.
Rust, C, C++, Linux, SPI, I2C, UART, CAN, logic analyzers, oscilloscopes
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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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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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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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2h
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Embedded Software Engineer, Perception (All Levels)
Los Angeles or United States
$154k-$212k/yr RemoteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
4+ YOEBachelor's degree,4+ years embedded/firmware experience,strong Linux internals and driver development on ARM,proficiency in Rust and C++,experience with NVIDIA Jetson/Tegra and high-throughput sensors,hardware/software debugging.
Linux, Rust, C++, NVIDIA Jetson/Tegra, CUDA, TensorRT, Yocto, V4L2, GStreamer, ROS2
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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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Software Engineering Intern, Vehicle Controls - Fall 2026
Irvine or Palo Alto
$38-$51/hr HybridInternship, Full Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture delivering automotive software and connectivity solutions for electric vehicles.
Enrolled in Bachelor's or Master's program in Electrical/Mechanical Engineering or Computer Science; proficient in C/C++ and Python; RTOS experience preferred; familiar with CAN/LIN/UDS/DoIP; experience with microcontrollers and PID controls.
C/C++, Python, RTOS, CAN, LIN, UDS, DoIP, Microcontrollers, PID
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4d
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
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1w
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Mobile Game Security Software Engineer
El Segundo, California, United States
$146k-$200k/yr OnsiteFull Time
Krafton
KraftonKorea Exchange: 259960: Develops and publishes globally recognized video game titles.
5+ YOE5+ years C++ development experience; experience with mobile anti-cheat/anti-tamper or client protection; system programming, Android/iOS internals, memory/process protection, and reverse-engineering familiarity.
C++, Android NDK, JNI, Objective-C, Swift, Mach-O, ELF, IDA, Ghidra, Frida, LLDB, lldb-server, ARM/AArch64
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12h
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Full Stack Software Engineer, Internal Systems
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOE1+ years full-stack development, proficiency in modern programming languages and web frameworks, experience with CI/CD, containerization, distributed systems, and system design.
Python, C#.NET, Go, Scala, Java, Make, Bazel, Pants, Buck, Gradle, pip, npm, UNIX, Terraform, Ansible, Puppet, Apache Kafka, RabbitMQ, ActiveMQ, Docker, Kubernetes, Angular, React, PostgreSQL, SQL Server
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1mo
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Staff Software Engineer, Platform Services - Game Tech Group, Anti-Cheat
Los Angeles, California, United States
$193k-$269k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
Staff-level experience building backend platforms and internal tools; strong backend/distributed systems skills (AWS, Docker, Kubernetes); experience with Golang, React, Node.js, TypeScript; API design, production debugging, and strong communication.
AWS, Docker, Kubernetes, Golang, React, Node.js, TypeScript, CI/CD, LLMs, Agentic AI
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1mo
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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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2w
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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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2mo
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CNC Programmer Intern
Yorba Linda, California, United States
OnsiteInternship, Full Time
Envista
EnvistaNYSE: NVST: Manufactures and sells a comprehensive range of dental products.
Pursuing a degree or certificate in Manufacturing Engineering, Mechanical Engineering, Industrial Technology, Mechatronics, or CNC Machining; basic CNC, GD&T, drawings, and CAM software knowledge.
G-code, CAM software
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1w
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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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Mission Operation Intern Fall 2026
Littleton or Long Beach
$25/hr OnsiteInternship
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
0.25+ YOEEnrolled in bachelor’s, master’s, or doctoral program in aerospace/aeronautical/mechanical/software engineering; 3+ months engineering experience; GPA 3.0+; proficient in Python, Linux, Git.
Python, Linux, Git
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1mo
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Principal Engineer, Manufacturing Systems
Torrance, California, United States
$100k-$190k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
8+ YOE8+ years software engineering experience with backend/platform/internal tools work; strong coding, API and integration design, production software delivery, cross-functional collaboration, and onsite factory support.
MES, ERP, QMS, CRM, WMS, APIs, ETL/ELT, CDC, message queues, RBAC, event-driven systems, integration platforms, barcode scanning
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