556 system software engineer jobs at 202 companies in Fillmore, CA

2w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
El Segundo, California, United States
$160k-$200k/yr OnsiteFull Time
SAIC
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.
Palantir Foundry, Palantir Gotham, Kafka, AMQP, Ontology SDK, Foundry Transforms, Code Workbooks, Pipeline Builder, AI/ML, ArgoCD
2mo
Save
Mark Applied
Hide
Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
2+ YOEBachelor’s degree in CS/CS engineering or 2+ years production software experience; production software systems experience required.
Docker, Cloud compute, Frontier model providers, Kubernetes, Observability, Infrastructure-as-code, CI/CD
1d
Save
Mark Applied
Hide
Software Engineer 3
Agoura Hills, California, United States
$89k-$136k/yr HybridFull Time
Publicis Groupe
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
1w
Save
Mark Applied
Hide
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.
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Software Systems Engineer
El Segundo, California, United States
$121k-$151k/yr OnsiteFull Time
KBR
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.
Docker, Kubernetes, AWS GovCloud, Azure Government, Jira, Confluence, DevSecOps tools, RMF, API design
1w
Save
Mark Applied
Hide
Senior Software Engineer
Marina del Rey, California, United States
$180k-$200k/yr HybridFull Time
Zefr
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.
Python, Snowflake, Elastic Search, PostgreSQL, Apache Kafka, Dask, Pandas, Github Actions, Docker, Terraform, Kubernetes, ArgoCD, AWS, GCP, Claude Code, Copilot, Cursor, MCP
1w
Save
Mark Applied
Hide
Senior Software Engineer
El Segundo, California, United States
$212k-$286k/yr OnsiteFull Time
Boeing
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.
C++, Java, JavaScript, Perl, Python, Visual Basic, Git, Linux, MATLAB/Simulink, Rust, AWS, Azure, CI/CD
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Port Hueneme, California, United States
OnsiteFull Time
Engineering Services Network
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.
C/C++, Java, Perl, SQL, GL Studio
2mo
Save
Mark Applied
Hide
Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
The Walt Disney Company
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.
AWS, S3, DynamoDB, Kinesis, Kafka, Java, Python, API Design, Microservices, Distributed Systems, Cloud
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Software Engineer
Playa Vista, California, United States
$150k-$220k/yr OnsiteFull Time
Outpost Space
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.
C++, Python, RTOS, CI/CD
1mo
Save
Mark Applied
Hide
Software Engineer
Ventura or United States
$140k-$175k/yr RemoteFull Time
Curri
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.
TypeScript, Node, Postgres, NATS, Redis, React, React Native, Node.js, Claude Code, Cursor, Claude, Bedrock
2w
Save
Mark Applied
Hide
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

Explore Jobs

Expand Your Job Search