741 software system engineer jobs at 257 companies in San Fernando, CA

1mo
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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
1d
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Software System Engineer (Level 4) - AHT
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEBachelor's in STEM with 8+ years, master's with 6+, or PhD with 4+ years; active U.S. Top Secret clearance; Java, Python, or C++; containers, Kubernetes, Kafka, Linux, cloud, and distributed systems experience.
Java, Python, C++, Docker, Kubernetes, OpenShift, Apache Kafka, Linux, Maven, Gradle, CMake, AWS, Azure, GCP, Git, JUnit, pytest, GoogleTest, TestComplete, Kafka Streams, NATS, ActiveMQ, Sonar, Fortify
1d
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Software System Engineer (Level 4) - AHT
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
4+ YOEBachelor's in STEM with 8+ years, master's with 6+ years, or Ph.D. with 4+ years. Requires active U.S. Top Secret clearance, programming in Java, Python, or C++, and containerized cloud application experience.
Docker, Kubernetes, OpenShift, Apache Kafka, Kafka Streams, NATS, ActiveMQ, Linux, Maven, Gradle, CMake, AWS, Azure, GCP, Git, Java, Python, C++, JUnit, pytest, GoogleTest, TestComplete, Sonar, Fortify, RESTful APIs, TLS
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
2mo
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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
5d
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Ground Software Engineer
Torrance or Seattle
$123k-$150k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
3+ YOEBachelor's degree in a STEM discipline or 3+ years of software engineering experience; experience with software development, backend or frontend systems, and collaborative technical design.
Rust, TypeScript, Vue, Go, C++, Java, C#, JavaScript, React, Svelte, PostgreSQL, Docker, Kubernetes, WebSockets, NATS, Pulsar, TCP/IP, UDP, QUIC, HTTP, gRPC, SQL, FedRAMP, SOC2, Server-Sent-Events (SSE)
3mo
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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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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
1d
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Software Systems Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOERequires 7+ years software engineering, 5+ years SATCOM or related systems experience, bachelor's in computer science or engineering, Secret clearance, requirements engineering, architectures, DevSecOps, and Agile experience.
DevSecOps, CI/CD, Agile, SAFe, UML, SysML, DoDAF, UPDM, UAF, Cameo, MagicDraw, Rhapsody, Sparx Enterprise Architect, AI/ML
2mo
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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
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Software Systems Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOEBachelor's degree in computer science or engineering, 7+ years software engineering, 5+ years SATCOM or related systems experience, Secret clearance, and expertise in requirements, architectures, ICDs, APIs, DevSecOps, and cybersecurity.
Artificial Intelligence (AI), cyber, DevSecOps, API, CI/CD, Agile, SAFe, RMF, UML, SysML, DoDAF, UPDM, UAF, Cameo, MagicDraw, Rhapsody, Sparx Enterprise Architect, MBSE, AI/ML
1w
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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
3w
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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.
3w
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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
2w
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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
2w
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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
2w
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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
3mo
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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
3w
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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
3mo
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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