578 system software engineer jobs at 213 companies in Moorpark, CA
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Software System Engineer
Houston or Los Angeles
$85k-$170k/yrOnsiteFull Time
The Exploration Company: Developing and operating modular, reusable spacecraft for orbital logistics.
Experience with safety-critical software, requirements management, V&V and certification, C++ and Python proficiency, real-time/embedded experience, strong communication and testing skills.
New York City or San Francisco or Los Angeles or Seattle
$190k-$260k/yrRemoteFull Time
Whatnot: Social marketplace for buying and selling via live streams
6+ YOE6+ years software engineering experience, Bachelor's in CS or equivalent, experience with scaled WebRTC systems, AWS/DevOps experience, strong system design and problem-solving skills.
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
14+ YOE14+ years experience with software engineering for mission/defense environments, Palantir Foundry/Gotham expertise, MOSA architecture, Agile/DevSecOps, data integration and systems engineering skills.
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
Experienced software engineer with full‑stack skills, ownership of production systems, hybrid 3-days/week in-office, and U.S. work authorization without sponsorship.
Java, Scala, Kotlin, TypeScript, Amazon Web Services, Kubernetes, Kafka, React
10+ YOE10+ years software development experience, technical leadership experience, BS in a technical field (or equivalent), experience architecting distributed systems, strong software design and debugging skills, proficiency using AI tools and modern engineering workflows.
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
0+ YOE0–5 years software engineering experience in robotics or embedded systems; proficiency in C++ or Python, ROS/ROS2, Linux, Git; hardware integration and real-time/embedded software experience.
Hornblower Group: Global provider of water and land-based experiences and transportation.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, proficient with Node.JS and React.JS, experience with distributed systems, GTFS/REST APIs, GitHub/GitLab, and performance tuning.
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelor's degree in CS/Software/Systems engineering; 5 years software systems engineering or integration; ability to obtain/maintain Secret clearance; strong communication; knowledge of secure SDLC, SOA/microservices, and DoD collaboration.
Zefr: Provides AI-driven brand safety and suitability for social media.
5+ YOE5+ years software engineering experience, degree in CS or related field, hands-on Kubernetes and cloud microservices, proficiency using AI tools for development, strong distributed systems and API skills.
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
Quindar: Cloud-native software for automated satellite mission operations.
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOERequires 10+ years modeling & simulation or systems engineering/software development experience, active U.S. Secret clearance, bachelor\u0002s degree or equivalent, proficiency in modern programming languages and Git/Linux.
United States or Canada or New York City or Los Angeles or Boston
RemoteFull Time
Function Health: Comprehensive lab testing platform providing personalized health insights.
12+ YOE12+ years software engineering experience with leadership in startups, strong Python skills, cloud & containerization (AWS, Google Cloud, Docker), experience building large-scale systems, CI/CD, TDD, and remote collaboration.
Python, Docker, AWS, Google Cloud, React, React Native, Postgres
Engineering Services Network: Independent defense contractor providing mission-critical engineering and IT solutions for government customers.
5+ YOEMaster’s degree in Engineering, Mathematics, or Business; 5+ years software engineering with Navy weapon systems; C/C++, Java, Perl, SQL experience; DoD SECRET clearance.
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
3+ YOE3+ years software engineering experience, familiarity with scalable inference/training technologies, strong communication, secure systems experience, and eagerness to learn GenAI tools.
Mountain View or Los Angeles or New York City or San Francisco
$213k-$263k/yrOnsiteFull Time
Waymo: Autonomous driving technology for ride-hailing and logistics.
5+ YOE5+ years software engineering experience building distributed systems; expertise in applied LLMs/Agentic AI, multi-agent orchestration, prompt engineering; proficiency with C++ or Python; Bachelor's in CS or equivalent experience.
Outpost Space: Building reusable spacecraft for precision Earth return and logistics.
3+ YOEBachelor's or equivalent experience,3+ years professional software development,proficiency in C++ or Python,experience with real-time/embedded systems and CI/CD preferred,strong problem-solving and cross-functional collaboration skills.
Curri: On-demand last-mile delivery platform for construction and industrial supplies.
2+ YOE2+ years building production software; full‑stack experience (TypeScript/Node, React/React Native); familiarity with Postgres, NATS, Redis; active use of AI tooling (Claude Code, Cursor); strong communication and systems awareness.
Principal Software Engineer - Developer Connections
Los Angeles, California, United States
$229k-$320k/yrOnsiteFull Time
Riot Games: Developing and publishing competitive multiplayer video games.
8+ YOEBachelor's in Computer Science or equivalent, 8+ years software engineering, C++ and another language, AI integration experience, shipped AAA or large live service, technical leadership and systems integration experience.