HiringCafe
Join our community

19 software developer internship jobs at 18 companies in Simi Valley, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1w
Save
Mark Applied
Hide
Software Engineer I, Mission Software
Long Beach, California, United States
$111k-$157k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
1+ YOEBachelor's in CS/math/engineering required; 1+ year academic/internship software experience preferred. Experience with full-stack development, APIs, containers, time-series data, and modern web frameworks.
Docker, Kubernetes, React, Next.js, Vue, GraphQL, REST, RPC, Node.js, OAuth, Terraform, Helm, SQL, Monitoring, Observability, Instrumentation
Job PostingView all
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
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
2mo
Save
Mark Applied
Hide
Sr. Software Engineer (Radar R&D & Production Focused)
Hawthorne, California, United States
$140k-$220k/yr OnsiteAll Commitments Available
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOE10+ years in object-oriented software, Python, Linux, DoD access, Bachelors or higher in CS/CE.
Python, Linux, Git, Docker, Kubernetes, CUDA, SDR, CI/CD, virtualization, VMware
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
Job PostingView all
3mo
Save
Mark Applied
Hide
Software Engineering Intern
El Segundo, California, United States
$4k-$6k/mo OnsiteAll Commitments Available
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Internship requiring strong Python fundamentals, data handling, APIs, and SQL with interest in geospatial or sensor data.
Python, APIs, SQL
Job PostingView all
2mo
Save
Mark Applied
Hide
Fall 2026 FOX Technology Internship Program - Los Angeles, CA
Los Angeles, California, United States
$20-$30/hr OnsitePart Time
Fox Corporation
Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.
Currently enrolled in undergraduate or graduate program; sophomore or above; able to commit to full duration; have housing/transport to LA.
HTML, Python, Java, SQL, Tableau, R, Figma
Job PostingView all
2mo
Save
Mark Applied
Hide
AI Engineer
New York or Los Angeles or Boston or Jersey City or Houston
$115k-$130k/yr RemoteAll Commitments Available
Makai Labs
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
Hands-on AI engineer with Python skills; experience building AI apps; internship/coursework/research or projects; ability to prototype and iterate quickly.
Python, API development, Backend services, Workflow automation, FastAPI/Flask, React/TypeScript, Docker, Testing (Python/TypeScript), LLM retrieval/search
Job PostingView all
3mo
Save
Mark Applied
Hide
Sr. Manager, Software Engineering (Services Lead) - Unpublished R&D Product
Los Angeles, California, United States
$229k-$320k/yr OnsiteMultiple Commitments Available
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
6+ YOE3+ Mgmt6+ years software engineering; 2+ years game development; 3+ years in leadership; backend distributed systems; Golang or Java; collaboration with non-engineering teams.
Golang, Java
Job PostingView all
1mo
Save
Mark Applied
Hide
Autonomy Engineer I, Arc Vehicle
Playa Vista, California, United States
$71k-$124k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
1+ YOEBachelor's in CS/CE/Aerospace/Robotics or equivalent experience; 1+ year internship/research/pro experience in autonomous systems; strong C++, Python, Linux skills; familiarity with state machines, SIL/HIL, Git, testing, and telemetry analysis.
C++, Rust, Python, Linux, Git, build systems, debuggers, Software-in-the-Loop (SIL), Hardware-in-the-Loop (HIL)
Job PostingView all
5d
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
Software Engineering Intern, Backend & API
Glendale, California, United States
$25-$35/hr HybridInternship
Moon
Moon: Building an AI-powered SaaS platform for business operations.
C# coursework or project experience; REST API design; SQL and data skills; willingness to learn .NET specifics.
.NET, React, Capacitor, Python, Cursor, Copilot, Claude
Job PostingView all
3mo
Save
Mark Applied
Hide
Modeling & Simulation Software Engineering Intern - Fall 2026
Los Angeles, California, United States
$25-$33/hr OnsiteInternship
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
0+ YOEPursuing a degree in Computer Science, Aerospace Engineering, Electrical Engineering, Applied Mathematics, or related field; proficient in Julia or Python/MATLAB/C++; knowledge of 6DOF dynamics; experience with data validation and modeling; GPA 3.0+; strong communication and teamwork.
Julia, Python, MATLAB, C++
Job PostingView all
1mo
Save
Mark Applied
Hide
Simulation Engineer I, Arc Vehicle
Playa Vista, California, United States
$71k-$124k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
1+ YOEBachelor's in CS/CE/Aerospace/Mechanical or equivalent experience; 1+ years internship/research/professional experience in software or physics-based simulation; proficiency with C++ or Python on Linux; strong physics and numerical analysis; familiarity with Git.
C++, Python, Linux, Git, MATLAB/Simulink, ROS/ROS2, Docker, CI/CD, HPC, SIL, HIL
Job PostingView all
2mo
Save
Mark Applied
Hide
Bioinformatics Programmer (100% Limited)
Los Angeles, California, United States
$34-$70/hr HybridAll Commitments Available
UCLA Health
UCLA Health: Provides comprehensive hospital services and academic medical research.
Develop, implement, and optimize research software; analyze complex datasets; support HPC environments; collaborate across teams.
Programming Languages, High-Performance Computing, Data Analysis
Job PostingView all
2w
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
4w
Save
Mark Applied
Hide
JT4 SkillBridge Program - Programmer/Computer Scientist Opportunities at Edwards AFB, CA
Edwards AFB or Lancaster or Palmdale
OnsiteInternship, Full Time
JT4
JT4NYSE: AMTM: Provides engineering and technical support for military test ranges.
Open to transitioning service members only. Associates in computer programming or equivalent training/experience; must be able to obtain a government security clearance and hold a valid state driver's license; basic proficiency in C, C++, or C#.
C, C++, C#
Job PostingView all
2mo
Save
Mark Applied
Hide
Growth Marketing & AI Co-Op (6-Month Duration)
Philadelphia or Los Angeles
RemoteMultiple Commitments Available
True
True: A talent management platform providing executive search and recruitment technology.
0+ YOEExperience building workflow automations, API integrations, and AI tools; comfortable with marketing, data analysis; US remote work; 6-month commitment.
n8n, Clay, Claude Code, APIs, Slack, CRM
Job PostingView all
3mo
Save
Mark Applied
Hide
Video Algorithms Intern, Video Coding (Gaussian Splatting), Fall 2026
Los Gatos or Los Angeles
$40-$110/hr OnsiteInternship, Full Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
PhD student (expected grad June 2027 or later) with research in 3D/4D reconstruction or neural graphics, strong ML and software skills, and fluent Python programming.
Python, CUDA, WebGL, HEVC, AV1
Job PostingView all

Explore Jobs

Expand Your Job Search