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1,963 software engineers jobs at 521 companies in Simi Valley, CA

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Flight Software Engineers (Associate / Experienced / Senior)
El Segundo, California, United States
$106k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
2+ YOEBachelor's degree, ability to obtain U.S. Secret clearance, 2+ years software development experience, proficiency in C/C++/Java/Python, embedded/real-time experience preferred.
C, C++, Java, Python, GitLab, Bitbucket, JIRA, Confluence, Wireshark
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4d
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Flight Software Engineers (Associate / Experienced / Senior)
El Segundo, California, United States
$106k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
2+ YOEBachelor's degree, U.S. person status with ability to obtain Secret clearance, 2+ years software development experience, proficiency in C/C++/Java/Python, embedded/real-time experience preferred.
C, C++, Java, Python, GitLab, Bitbucket, JIRA, Confluence, Wireshark
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1w
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Flight Software Engineers (Associate / Experienced / Senior)
El Segundo, California, United States
$106k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures commercial airplanes, defense systems, and space technology.
2+ YOEAbility to obtain U.S. Secret clearance; Bachelor's degree; 2+ years software development for real-time or non-real-time systems; experience with C/C++, Java or Python and embedded systems; strong troubleshooting and teamwork skills.
C, C++, Java, Python, GitLab, Bitbucket, JIRA, Confluence, Wireshark
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2mo
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Sr. Software Engineer, Flight Software (Starship)
Hawthorne, California, United States
$160k-$225k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
4+ YOEBachelor's degree in CS/engineering/math or 4+ years of software development; 4+ years in C++, Python, or Rust.
C++, Python, Rust
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2mo
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Software Engineer
Santa Monica, California, United States
$125k-$159k/yr RemoteFull Time
Edmunds
Edmunds: Provides automotive research, pricing data, and vehicle shopping tools.
3+ YOEMid-level frontend/backend software engineer with experience in client-side apps, APIs, and cloud platforms; strong JS, React, Node.js, REST/GraphQL, and performance optimization.
React, Node.js, REST, GraphQL, gRPC, AWS, GCP, Azure
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1mo
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's in CS/Engineering or equivalent, proven software development experience with Java/Python/C#/JavaScript, familiarity with web frameworks and databases, strong problem-solving and communication skills.
Java, Python, C#, JavaScript, React, Angular, Node.js, SQL, NoSQL
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1w
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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
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Software Engineer
San Francisco or Los Angeles or New York City
HybridFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proven software engineering experience; proficiency in one or more languages (Python, Java, Go, JavaScript/TypeScript); familiarity with cloud platforms (AWS/GCP/Azure); strong communication and system design skills.
Python, Java, Go, JavaScript, TypeScript, AWS, GCP, Azure
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1w
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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
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1w
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Software Quality Engineer/ Prin Software Quality Engineer
Palmdale, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEDegree in CS/Software Engineering or STEM with relevant software development/integration experience (2–5+ years), knowledge of Agile/Waterfall, C/C++/Java/Python, software/process evaluation, metrics collection, and holds Top Secret clearance.
C, C++, Java, Python, Atlassian, Git, Confluence
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1mo
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Staff Software Engineer - Software Assurance
Melbourne or San Diego or El Segundo
$153k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOESTEM degree with significant software engineering experience (8+ years with PhD, 10+ with MS, or 12+ with BS). Experience with Java/JavaScript/C++/C#/Python/Swift, GIT/GitLab/GitHub/Bitbucket/Subversion, RMF (NIST SP 800-53r5), and ability to obtain U.S. Secret and SAP clearances.
Java, JavaScript, C++, C#, Python, Swift, GIT, GitLab, GitHub, Bitbucket, Subversion, AWS, VMWare, Azure, Kubernetes
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5h
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Sr. Software Engineer
Carson, California, United States
$120k-$140k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
Design and develop embedded control software for power electronics and motor control; perform analysis, testing, documentation, and lead or mentor engineers.
RTCA/DO-178
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3w
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Ground Software Manager
Torrance, California, United States
$190k-$235k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
Hands-on software manager experience leading engineering teams; expertise in operator-facing software, low-latency video, telemetry/command pipelines, CI/CD, testing, and delivery for field-deployed systems.
Ground Control Station (GCS), ATAK, TAK, QGroundControl, Mission Planner, RTSP, WebRTC, GStreamer, CI/CD, command-and-control (C2)
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21h
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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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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
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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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1mo
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Director, Software Engineering
Los Angeles, California, United States
$218k-$296k/yr OnsiteFull Time
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
8+ YOE4+ MgmtBachelor's or Master's in Computer Engineering or related field; 8+ years embedded flight software; 4+ years leadership; experience with real-time embedded/flight software; experience scaling engineering teams.
Real-time embedded systems, Flight control software, Hardware-in-the-loop (HIL), Simulation, Avionics interfaces
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2mo
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Software Engineer - Test
Los Angeles, California, United States
OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
2+ YOEB.S. in a technical field, 2+ years software engineering experience, 2+ years Python; experience with server infrastructure, CI/CD for HIL, Linux; strong documentation, automation, and security practices.
Python, Rust, Linux, CI/CD
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4w
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Software Engineer - Level 2
Edwards Air Force Base or Fort Worth or Las Vegas or Marietta or Palmdale or Patuxent River
$77k-$152k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with a Bachelor's or Master's in software/computer/engineering/physics, experience in software development/design/integration/test, and expertise in object-oriented development and relevant tools.
MATLAB, Simulink, Linux, Microsoft Visual Studio, Jenkins, Git, Bitbucket, VersionOne, JIRA, MPI, OpenMP, Fortran, C, C++, Python, bash, Confluence
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3w
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Software Development Engineer, Devices Software & Services
Irvine or Los Angeles County
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEBachelor's degree or equivalent, 3+ years professional software development, 2+ years contributing to systems architecture/design, experience programming in at least one language, familiarity with software engineering best practices and agentic tools.
Kiro, Claude, Cursor
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