490 system software engineer jobs at 193 companies in Fontana, CA

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Software System Engineer
Houston or Los Angeles
$85k-$170k/yr OnsiteFull Time
The Exploration Company
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.
C++, Python, CI/CD
1mo
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Staff System Software Integration and Validation Engineer
Palo Alto or Long Beach
HybridFull Time
Ford Motor Company
Ford Motor CompanyNYSE: F: Ford manufactures, sells, and services vehicles and mobility solutions.
5+ YOEBachelor's in EE/ME (or equivalent), 5+ years automotive experience, expertise with automotive systems, HIL (dSPACE/Vector VT), CAN/LIN/Ethernet/FlexRay, DBC/LDF/ARXML, test automation, system-level debugging, and V&V planning. Programming experience preferred.
dSPACE, Vector VT, DBC, LDF, ARXML, HIL, CAN, LIN, Ethernet, FlexRay, C, C++, Python, MATLAB
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Software Engineer
Huntington Beach, California, United States
$130k-$200k/yr OnsiteFull Time
Layup Parts
Layup Parts: Manufactures high-speed composite parts and tooling for aerospace.
4+ YOE4+ years professional software engineering experience. strong fundamentals, reliability, and collaboration in fast-paced environments. startup experience preferred. experience with manufacturing systems is a plus.
Go, Typescript, Rust
2mo
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Software Engineer, Video
New York City or San Francisco or Los Angeles or Seattle
$190k-$260k/yr RemoteFull Time
Whatnot
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.
WebRTC, AWS
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Software Engineer (Range Systems)
Corona, California, United States
$115k-$150k/yr HybridFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
7+ YOE7+ years in systems/software engineering; experience with hardware/software integration; proficiency in C++, Java, Python, or C#; DoD or defense program exposure is a plus.
C++, Java, Python, C#, TCP/IP
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Software Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering experience, Bachelor's in CS/IS/EE or related, proficiency with JavaScript, React, TypeScript, Next.js; experience with enterprise/high-availability systems; U.S. Person required; Top Secret eligibility preferred.
Lattice OS, ArsenalOS, Forge, JavaScript, React, TypeScript, Next.js, ERP, MES, WMS, CRM
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Senior Software Engineer
Brea, California, United States
$130k-$147k/yr HybridFull Time
RAVE Aerospace
RAVE Aerospace: Developing in-flight entertainment and connectivity systems for airlines.
6+ YOEBachelor's in Engineering/CS or equivalent, 6+ years software development, experience with C/C++ and modern stacks (Qt/QML, Node.js, Golang, React, Typescript, Python), and systems-level debugging.
C, C++, Linux, UNIX, Microsoft .NET, C#, JavaScript, SQL, Qt/QML, Node.js, Golang, React, Typescript, Python, PostgreSQL, Docker, MQTT, Microservices, npm, Bower, Webpack
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Principal Software Engineer
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$235k-$414k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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.
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Software Engineer I/II
Pasadena, California, United States
$88k-$135k/yr OnsiteFull Time
Rocket Lab
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.
C++, Python, ROS, ROS 2, Linux, Git, EtherCAT, CAN, SpaceWire, MIL-STD-1553, SPI, I2C, TCP/IP, Modbus, OPC UA
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Senior Software Engineer
Los Angeles, California, United States
OnsiteFull Time
Hornblower Group
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.
Node.JS, React.JS, GTFS, RESTful APIs, GitHub, GitLab, Shark
3w
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V and V Engineer System Verification Engineer
Irvine, California, United States
$120k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years in aerospace embedded system/software testing, scripting for test automation, experience with flight controls/avionics, DO-178b/ARP-4754A knowledge, and tools like DOORS, SVN or MKS.
DOORS, SVN, MKS, A429, CAN, DO-178b, ARP-4754A
2mo
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Principal Engineer, Mission Software
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
Quindar
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.
Programming, Software Architecture, Distributed Systems, APIs, Operator tooling, Mission-critical applications
2mo
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Staff Software Engineer
United States or Canada or New York City or Los Angeles or Boston
RemoteFull Time
Function Health
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
1mo
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Sr. Software Engineer
Irvine, California, United States
$160k-$180k/yr RemoteFull Time
Viant Technology
Viant TechnologyNASDAQ: DSP: Provides an AI-powered demand-side platform for digital advertising.
2+ YOEMaster's degree in CS/IT/Applied Data Science, 2+ years software engineering experience, proficiency in GoLang and Java, MySQL/Oracle, AWS (EC2, S3, Lambda, RDS), and building scalable, low-latency distributed systems.
GoLang, Java, MySQL, Oracle, AWS, EC2, S3, Lambda, RDS
2w
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Software Engineer 3- Ink
Los Angeles or Los Gatos
$180k-$266k/yr OnsiteFull Time
Netflix
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.
Claude Code
1mo
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Software Engineer, DUE Experience
Mountain View or Los Angeles or New York City or San Francisco
$213k-$263k/yr OnsiteFull Time
Waymo
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.
C++, Python
2w
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Lead Software Systems Engineer
Seal Beach, California, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ MgmtActive U.S. Top Secret/SCI clearance, Bachelor’s degree, 5+ years software development experience (Python, JavaScript, TypeScript), CI/CD and database experience, leadership and systems engineering for space/ground systems.
Python, JavaScript, TypeScript, Angular, JQuery, FastAPI, Postgres, SQL, NoSQL, Java, CI/CD
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Principal Software Engineer - Developer Connections
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
Riot Games
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.
C++, Python, C#, Unreal Engine, PyTorch, TensorFlow
2mo
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Software Engineer, Tech Ops
Santa Monica or Los Angeles or United States
$135k-$167k/yr HybridFull Time
ZipRecruiter
ZipRecruiterNYSE: ZIP: Online employment marketplace connecting job seekers and employers.
2+ YOE2+ years software engineering or systems integration experience; proficiency in TypeScript and/or Python; API and third-party integration experience; experience using AI developer tools (Cursor, Copilot, Claude).
TypeScript, Python, Cursor, Copilot, Claude, NetSuite, Okta, ADP, Google, Salesforce
1w
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Staff Software Engineer, Frameworks
Mountain View or Los Angeles or San Francisco
$210k-$250k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
8+ YOE8+ years software engineering experience designing and operating secure, scalable authentication/authorization and distributed backend systems; experience with Kubernetes and cloud-native infrastructure; strong technical leadership and mentorship.
OAuth 2.0, OIDC, JWT, AWS Cognito, Python, FastAPI, Pydantic, PostgreSQL, Go, Kubernetes