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348 software design engineer jobs at 161 companies in Simi Valley, CA

2mo
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Geotechnical Design Engineer
Irwindale, California, United States
OnsiteFull Time
Malcolm Drilling
Malcolm Drilling: National contractor for deep foundations and ground improvement services.
5+ YOEBachelor's in Civil/Geotechnical engineering; 5+ years in ground improvement; PE license preferred; strong soil mechanics; experienced with design software.
Geotechnical software, Proprietary design software, Microsoft Excel
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1d
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
6+ YOE6+ years software development experience, iOS (Objective-C/Swift) expertise, rapid mobile prototyping, product strategy experience, strong communication and problem-solving skills.
iOS, Objective-C, Swift, AI, Figma, Sketch, Framer, Origami, Principle
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2mo
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Design Engineer
Austin or Denver or Indianapolis or Los Angeles or Minneapolis or Nashville or New York or Salt Lake City or San Francisco or Seattle
$150k-$170k/yr RemoteFull Time
Givebutter
Givebutter: Fundraising and CRM platform for nonprofit organizations.
4+ YOE4+ years frontend engineering; strong JS/TypeScript; HTML/CSS; modern frameworks (Astro/React/Next.js/Svelte); animation and analytics integration; accessible, performance-focused frontend; Git workflows; collaboration with design and product teams.
JavaScript, TypeScript, Astro, React, Next.js, Svelte, GSAP, Framer Motion, View Transitions API, Lottie, PostHog, LaunchDarkly, Segment, Amplitude
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4d
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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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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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3d
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Senior Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
3+ YOE3+ years software engineering experience, ownership of complex systems, backend and frontend proficiency, API and event-driven design, strong communication and product judgment.
Go, TypeScript, Vue, AWS, Docker, Kubernetes, Protobuf, Python, Terraform, Git, SQL
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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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5d
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Staff Software Engineer
Beverly Hills, California, United States
$176k-$235k/yr OnsiteFull Time
WME
WME: Global talent agency representing artists, athletes, and brands.
10+ YOE10+ years software engineering experience, strong full‑stack web development, React/Next.js, API and backend design, cloud experience (AWS/Azure/GCP), product instincts, mentoring experience.
React, Next.js, AWS, Azure, GCP
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3d
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Senior Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Lab37
Lab37: Developing automated robotic systems for commercial food production.
3+ YOE3+ years software engineering experience, ownership of complex systems, backend language proficiency (Go beneficial), TypeScript frontend skills, API and event-driven design, strong communication and product judgment.
Go, TypeScript, Vue, AWS, Docker, Kubernetes, Protobuf, Python, Terraform, Git, SQL
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1mo
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Fire Protection Design Engineer
Seattle or Long Beach
$115k-$150k/yr HybridFull Time
Legence
LegenceNASDAQ: LGN: Provides engineering and sustainability services for mission-critical building systems
5+ YOEBachelor's in Mechanical Engineering (or related), 5+ years fire protection design experience, proficiency in AutoCAD and Revit, experience with sprinkler calculation software (AutoSPRINK, HydraCALC), strong knowledge of building/fire codes and NFPA standards.
AutoCAD, Revit, AutoSPRINK, HydraCALC
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3mo
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Design, develop, test, and deploy scalable software; proficiency in Java, Python, C#, or JavaScript; strong problem-solving, communication, and teamwork skills; bachelor’s degree or equivalent experience.
Java, Python, C#, JavaScript
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5d
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Staff Software Engineer
Beverly Hills, California, United States
$176k-$235k/yr OnsiteFull Time
WME Group
WME Group: Global holding for talent, media, and entertainment representation.
10+ YOE10+ years software engineering experience, full-stack web development, React/Next.js, API and backend design, cloud (AWS/Azure/GCP), strong product instincts, mentorship and AI-assisted development experience.
React, Next.js, AWS, Azure, GCP
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2mo
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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
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4w
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Software Engineer, C++ (Simulations)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/engineering/math or 2+ years software experience; 1+ years C++ development; strong software design, debugging, performance optimization, knowledge of physics/math; willingness to work extended hours/weekends.
C++, ROS2, Gazebo
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3mo
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Sr. Software Engineer, Perception
Torrance, California, United States
$132k-$183k/yr OnsiteFull Time
Red Cat Holdings
Red Cat HoldingsNASDAQ: RCAT: Providing all-domain drone and robotic solutions for defense.
5+ YOESenior software engineer to design, prototype, and productionize perception systems; strong in VIO, object detection, multi-object tracking, sensor fusion; proficient in C++/Python
C++, Python, ROS 2, OpenCV, GStreamer, ROS, GStreamer
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2mo
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Senior Software Engineer
Santa Monica, California, United States
$150k-$175k/yr HybridFull Time
Kixie
Kixie: Automates sales engagement through integrated calling and texting software.
5+ YOE5+ years of professional software engineering; strong full-stack experience; enterprise-grade system design; AWS and Kubernetes expertise; observability and CI/CD experience.
React, Node.js, TypeScript, PostgreSQL, Kafka, OpenSearch, Kubernetes, AWS, Terraform, Ansible, Datadog, Grafana/Prometheus, CloudWatch, GitHub Actions, Jenkins, Travis CI
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1d
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
6+ YOE6+ years post-degree software development experience, iOS development (Objective-C/Swift), rapid functional prototyping, product strategy experience, BS/BA in technical field or equivalent, strong communication and problem-solving.
iOS, Objective-C, Swift, Figma, Sketch, Framer, Origami, Principle, AI
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18h
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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
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2w
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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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1w
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FPGA Design Engineer
Long Beach, California, United States
$135k-$225k/yr OnsiteFull Time
Long Wall
Long Wall: Develops containerized missile defense systems and hypersonic flight test vehicles.
5+ YOEBachelor's in EE/CE,5+ years FPGA development with AMD/Xilinx platforms,expertise with Vivado/Vitis and HDL,experience with PCIe/Ethernet/SerDes,hardware/software integration and production bring-up.
Xilinx Vivado, Vitis, Vivado ILA, VIO, Git, Python, TCL, ModelSim, Vivado Simulator, PetaLinux
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