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1,352 c developer jobs at 318 companies in Rancho Cucamonga, CA

1mo
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Sr. Software Engineer, C++ (Simulations)
Hawthorne, California, United States
$160k-$230k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
5+ YOE5+ years software development (or 7+ years without degree), 2+ years C++ development, BS in CS/engineering/math/STEM or equivalent, strong debugging, performance optimization, unit testing, and knowledge of distributed systems and classical physics.
C++, ROS2, Gazebo
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3w
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C++ Software Developer II - Raster Analysis
Redlands, California, United States
$101k-$167k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years C++ development, strong algorithms and data structures, familiarity with distributed/parallel/GPU computing, bachelor's degree in CS/engineering/math or related, strong problem-solving and debugging skills.
C++, C#, WPF, ArcGIS
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3mo
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Software Engineer (C++)
Hawthorne or El Segundo
$110k-$150k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
3+ YOE3+ years software development; proficiency in C++, Go, or Rust; experience with high-performance systems and real-time software.
C++, Go, Rust, Linux, RTOS, FPGA, GPU
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4w
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C++ Software Engineer
San Francisco or Los Angeles
$120k-$180k/yr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
Strong systems programming (ideally C++), deep Linux and virtualization knowledge, experience with containerization, multi-tenant and GPU security, and ability to benchmark and harden performance-critical infrastructure.
C, C++, Python, Linux
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JUNIOR SOFTWARE DEVELOPER (C++)
Norco, California, United States
$75k-$110k/yr OnsiteFull Time
VSolvit
VSolvit: Providing technology services and data solutions for government agencies.
0+ YOE0–4 years software development experience; proficiency in C++ for desktop applications; familiarity with OOP, multithreading, Git, CMake, and Python; U.S. Citizenship and active Secret DoD clearance required; CompTIA Security+ required.
C++, Git, CMake, Python, Jira, Confluence, SAFe, Agile
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3mo
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Software Engineer, C++
Bellevue or Costa Mesa
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOE3+ years in high-performance C++ software; CS/SE/Math/Physics foundation; capable of working in complex architectures; eligible for Top Secret clearance.
C++, Real-time systems, Performance optimization, Memory management
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1mo
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Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
ENTRUST Solutions Group
ENTRUST Solutions Group: Provides engineering and consulting services for utility and energy infrastructure.
5+ YOEBachelor's in Electrical Engineering, 5+ years substation P&C engineering experience, hands-on with relay protection (SEL, GE, Siemens, ABB), knowledge of NERC/PRC/IEEE/NEC, utilities/EPC/consulting experience; PE preferred.
SEL, GE, Siemens, ABB, AutoCAD, MicroStation, Bluebeam, SCADA
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3mo
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Senior Software Engineer (.NET/C#)
Huntington Beach, California, United States
$150k-$170k/yr OnsiteFull Time
Applied Business Software
Applied Business Software: Provides loan origination and servicing software for private lenders.
5+ YOE5+ years in .NET/C#, backend architecture, distributed systems, SQL Server, CI/CD, cloud, and AI-assisted development tools.
.NET/C#, ASP.NET, VB.NET, React, SQL Server, NoSQL, Azure, Redis, Docker, Git, Azure DevOps, Jenkins, Cursor, Claude, Copilot
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1d
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Space Flight Software Engineer, C++
El Segundo, California, United States
$131k-$184k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEBachelor's in CS/engineering or equivalent experience,3+ years in spacecraft or safety-critical software,proficient in C++,embedded/RTOS/Linux development,strong problem-solving and systems skills.
C++, bare metal, RTOS, Linux, CCSDS, F', cFS, Python, Rust, SPI, I2C, CAN, EtherCAT
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2mo
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Software Engineer, Spectacles C++, Level 4
Los Angeles or Palo Alto or Bellevue or Santa Monica
$157k-$235k/yr HybridFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
Bachelor's degree in Computer Science or related field; 2+ years software development; experience in C++, Kotlin or Java; OS and 3D graphics experience preferred.
C++, Kotlin, Java, OS, 3D graphics, SDKs/APIs
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GN&C Navigation Engineer III
Seattle or Brevard County or Huntsville or Denver or Los Angeles or Reston
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEM.S. in a STEM field with 5+ years in navigation systems; strong skills in Rust, C/C++, or C; experience with state estimation/Kalman filters and navigation sensors (IMUs, star trackers); U.S. eligibility required.
C, C++, Rust, Python, DO-178C, IMUs, star trackers, optical sensors, hardware-in-the-loop
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2mo
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Software Engineer, Spectacles C++, Level 4
Los Angeles or Palo Alto or Bellevue or Santa Monica
$133k-$235k/yr HybridFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor’s in CS; 2+ years software experience; C++ experience; strong coding, testing, and collaboration skills.
C++, Kotlin, Java, Unit Testing, OS Knowledge, 3D Graphics
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine or Orange County
$124k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
7+ YOEBachelor's degree, 7+ years production .NET/C# experience, AWS and Apache Kafka experience, frontend knowledge (Vue/React/Angular, TypeScript), SQL/NoSQL, Git, unit/performance/integration testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Microsoft SQL, MySQL, NoSQL, Git, GitHub Copilot, Claude Code
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine, California, United States
$124k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
7+ YOEBachelor's degree required; 7+ years production .NET/C# experience; AWS and Kafka experience; frontend knowledge (Vue/React/Angular, TypeScript); SQL/NoSQL and Git workflows; unit, integration, and performance testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Git, SQL, MS SQL, MySQL, NoSQL, Claude Code, GitHub Copilot
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1d
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Principal Software Engineer (Medical Device Software/C#, .NET, Windows)
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
Alcon
AlconNYSE: ALC: Manufactures ophthalmic surgical equipment and vision care products.
5+ YOE5+ years developing Windows-based software using C#, .NET and related Microsoft technologies for regulated medical device environments; strong architecture, OOD, multi-threading, networking, and communication skills.
C#, .NET, WPF/XAML, MVVM, C++, Git, HL7, FHIR, DICOM, Protocol Buffers, TCP/IP
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1mo
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P&C Underwriter- Commercial Real Estate
Los Angeles or San Diego or California
RemoteFull Time
Novacore
Novacore: Independent specialty insurance provider for niche markets.
2+ YOEMinimum 2 years P&C underwriting experience (binding authority and brokerage underwriting), bachelor’s degree or equivalent, experience in product development and distribution channels preferred, knowledge of P&C products, leadership and portfolio-building skills.
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1w
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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3mo
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Software Development Engineer
Edwards, California, United States
$22-$25/hr OnsiteTemporary
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
0+ YOEBachelor's degree in CS/Software Engineering/Aerospace; 0-2 years software development; languages include C, C++, Python, MATLAB/Simulink; US citizenship; ability to obtain security clearance.
C, C++, Python, MATLAB/Simulink
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C++ Build and Infrastructure Engineer
Los Angeles, California, United States
$125k-$145k/yr OnsiteFull Time
Horizon Surgical Systems
Horizon Surgical Systems: AI-driven robotic systems for ophthalmic microsurgery
5+ YOEBachelor's or Master's in science/engineering/math, 5+ years managing build and infrastructure for C/C++ projects, strong Linux admin, CI/CD (GitHub Actions), Python and bash automation, containerization, configuration management, and AWS experience.
C++, Python, bash, GitHub Actions, GitHub, GitLab, Ansible, Chef, Docker, podman, Make, CMake, Bazel, vcpkg, Conan, Debian, snap, systemd, NVIDIA GPU driver, AWS, EC2, S3, IAM, VPC, Terraform, NVIDIA Holoscan SDK, Claude code, Codex, OpenCode, Pi, Linux
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Software Engineer - Skunk Works - Level 4
Palmdale, California, United States
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEBachelor's or equivalent with 5+ years experience, proficiency in C/C++, Linux/RTOS, software development lifecycle, mentoring experience, and U.S. citizenship with Top Secret clearance.
C, C++, Linux, RTOS, Git, GitLab, Jira, IP, UDP, RTP, ARINC-429, RS-485, I2C, SPI
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