HiringCafe
Join our community

28 intern software engineer jobs at 26 companies in Simi Valley, CA

1mo
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
5h
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
4d
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
15h
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Electrical Engineer Level II
Monrovia, California, United States
$101k-$148k/yr OnsiteFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
Requires an electrical engineering degree (power systems emphasis), strong electrical engineering knowledge, familiarity with local/international standards, competency with ETAP/SKM/SEL and CAD software. EIT desirable; 5+ years preferred.
Microsoft Office Suite, ETAP, SKM, SEL, AutoCAD, MicroStation, AVEVA, CADWorx
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
Senior Anti-Cheat Engineer (Apex Legends)
Chatsworth or Vancouver
$144k-$217k/yr HybridFull Time
Electronic Arts
Electronic ArtsNASDAQ: EA: Develops and publishes video games and interactive entertainment software.
5+ YOE5+ years software engineering experience (C++), 3+ years in software security/reverse engineering, x86-64 disassembly expertise, familiarity with Windows internals, networking, and anti-cheat mitigation.
C++, x86-64, IDA Pro, x64dbg, Ghidra, LLVM
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
AI Product Engineer, Internal Tools
Calabasas, California, United States
$110k-$130k/yr HybridFull Time
PlanetArt
PlanetArt: Provides a mobile platform for ordering personalized photo products.
Public portfolio required; build and ship AI-powered internal tools and prototypes using AI-assisted tools and modern web stacks; strong prompt engineering, UX instincts, and communication skills; bachelor's preferred.
Cursor, Claude Code, Codex, GitHub Copilot, ChatGPT, v0, JavaScript, TypeScript, React, Next.js, Python, APIs, databases, GitHub, OpenAI, Anthropic, Google Gemini, Retool, Supabase, Firebase, Vercel, Airtable, n8n, Zapier, Make, Figma
Job PostingView all

Explore Jobs

Expand Your Job Search