565 software engineer c jobs at 225 companies in Fairfield, CA

1w
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Software Engineer (C++/C#)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOEStrong proficiency in C++ and C#, 5+ years software engineering experience preferred, experience with low-latency systems, message parsers, multithreading, and maintaining client libraries.
C++, C#, Java, lldb, gdb
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
1w
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Senior Software Engineer (C++)
Alameda, California, United States
$160k-$205k/yr OnsiteFull Time
Boxbot
Boxbot: Automated vertical package handling and sorting for logistics facilities.
5+ YOE5+ years professional software engineering experience with deep C++ expertise, real-time/multi-threaded systems, hardware interfaces, Linux, strong debugging and architecture skills, and BS/MS in CS or equivalent.
C++, Linux, PLC
1mo
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Software Engineer, C++
San Francisco or Sofia or North America or Europe or Australia
HybridFull Time
LucidLink
LucidLink: Cloud-native file streaming for real-time remote collaboration.
3+ YOE3+ years C++ development, system and network programming, multithreading, C++ standard library and Boost, algorithms and data structures, familiarity with CI/CD and testing, TypeScript a plus, fluent English.
C++, Boost, TypeScript
1mo
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Senior Software Engineer (C++)
San Mateo, California, United States
$196k-$242k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
3+ YOE3+ years writing performant C++ in large codebases; experience building measurement/monitoring/regression-prevention systems; strong communication and ability to deliver production-grade software in complex systems.
C++, iOS, Android
2mo
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Systems Software Engineer (C++)
San Francisco, California, United States
OnsiteFull Time
Thunder Compute
Thunder Compute: Provides cost-effective, developer-focused cloud GPU instances.
Expert C++ performance optimization, low-level networking, and production systems ownership.
C++, Low-level networking, GPU optimization, Compilers, Performance profiling
1mo
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Senior/Staff Software Engineer - C++ Simulation Platform
Foster City or Seattle
$245k-$305k/yr HybridFull Time
Zoox
ZooxNASDAQ: AMZN: Developing autonomous robotaxis for urban ride-hailing services.
6+ YOEBachelor's degree, 6+ years software engineering experience, deep expertise in modern C++, system design for deterministic distributed clusters, execution frameworks, latency optimization, and memory management.
C++, JAX, PyTorch, PubSub, GPU
1d
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Senior Software Engineer
Austin or Fremont
$154k-$278k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
15+ YOE15+ years software engineering experience; expertise in architecting large-scale systems, C/C++, compiler concepts, UNIX/Linux, strong problem-solving and independent delivery skills.
C, C++, UNIX, LINUX
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
3w
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
Vantage Elevation
Vantage Elevation: Manufactures and supplies components and systems for elevators.
10+ YOEBachelor's in engineering or equivalent, 10+ years embedded real-time software experience, strong C/C++ skills, RTOS experience, Git familiarity, scripting and higher-level language experience, excellent communication and mentoring skills.
C, C++, Git, Bash, PowerShell, Python, Make/Cygwin, C#, PHP, JavaScript, HTML, CSS
2w
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Principal Software Developer - Full Stack (Unity, C#)
Austin or San Mateo or Carlsbad or Chicago or Eugene or Toronto
$114k-$180k/yr OnsiteFull Time
Zynga
Zynga: Develops and publishes social and mobile video games globally.
6+ YOEB.Sc. or equivalent, 6+ years game/mobile software experience, expert C#, 3+ years Unity, shipped mobile titles, experience with performance profiling, AWS, Kubernetes, Datadog, and git.
Unity, C#, AWS, Kubernetes, Datadog, git, Claude Code
2w
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Software Engineer Sys 3
Fremont, California, United States
$99k-$220k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Designs and manufactures wafer fabrication equipment for the semiconductor industry.
5+ YOEBachelor’s/Master’s/PhD in engineering or equivalent experience; 3–5+ years software engineering experience; strong C/C++/Java/Python, embedded and real-time systems, multithreading, OOP, debugging, and communication skills.
C, C++, Java, Python, GitHub Copilot, Jira, Confluence, Smalltalk, VisualWorks
1mo
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Staff Embedded Software Engineer
Alameda, California, United States
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
8+ YOEB.S. in EE/CS or equivalent (MS preferred). 8+ years software engineering experience with embedded C development for safety-critical products. Expert in C, C++, C#, Python, debugging, development tools, software lifecycle, and microprocessor architecture.
C, C++, C#, Python, IDEs, debuggers, unit test frameworks, Source Control Management, UML, SysML, RF, WiFi, Bluetooth, Bluetooth Low Energy
3w
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Senior Software Engineer
Mountain View or San Francisco
$150k-$185k/yr HybridFull Time
219 Design
219 Design: Product engineering firm specializing in custom hardware and software.
4+ YOEBS in CS or equivalent, 4+ years software engineering experience, proficiency in C++, experience building complex systems, strong communication, authorized to work in the US without sponsorship.
C++, C, Qt Framework, Slack, 3D printers, laser cutters, mills and lathes, VR equipment, electronics equipment
1mo
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Software Engineer (Python / C++) — ML Platform & Production Integration
Fremont, California, United States
$120k-$150k/yr HybridFull Time
Velo3D
Velo3DNASDAQ: VELO: Manufacturer of advanced metal 3D printers and software.
3+ YOEBachelor's in CS or related, 3+ years software development, strong Python and C++ proficiency, experience with automated testing and version control, ability to port ML prototypes to production and integrate into software stacks.
Python, C++, NumPy, OpenCV, PyTorch, AWS, CMake, CI/CD, Flow, Assure
1mo
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Software Engineer
Oakland, California, United States
$141k-$169k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
3+ YOEBachelor's preferred; 3+ years software experience. Strong software engineering foundation for backend/frontend, distributed systems, performance and security. Experience with Java/C++/C#, Buildkite; cloud (AWS/GCP/Azure), Docker, K8s, New Relic/Grafana; use of AI assistants.
Java, C++, C#, Buidkite, New Relic, Grafana, Docker, K8s, AWS, GCP, Azure, Claude, ChatGPT
1mo
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Software Engineer/Principal Software Engineer
McClellan, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEU.S. citizen with ability to obtain Top Secret clearance; Bachelor's in STEM + 2 yrs experience (or Master's with 0 yrs) for Software Engineer, or Bachelor's + 5 yrs (Master's + 3 yrs) for Principal. Experience with Agile, Git/GitLab/Bitbucket, C/C++, Python, Java, Docker; software test planning and execution.
Agile, Git, GitLab, Bitbucket, C/C++, Python, Java, Docker, Kubernetes (K8s, k3s), Atlassian, JIRA, Jenkins, Confluence, Linux Bash, Linux/UNIX, CI/CD, Scrum
6h
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(Senior) Software Engineer - Behavior
Fremont, California, United States
$140k-$220k/yr OnsiteFull Time
Pony.ai
Pony.aiNASDAQ: PONY: Develops autonomous driving technology for passenger and freight transportation.
2+ YOEBS in CS/ML/Robotics or equivalent,2+ years software engineering experience,proficient in C/C++/Python/Java,familiar with data structures and algorithms,ability to lead ambiguous technical work.
C, C++, Python, Java
3w
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
Vantage Elevation
Vantage Elevation: Manufacturer of non-proprietary components and systems for elevators.
10+ YOEBachelor's in EE/CE or equivalent, 10+ years in real-time embedded software, strong C/C++, RTOS and firmware skills, Git experience, debugging/troubleshooting, mentoring and project leadership.
C, C++, Git, Bash, PowerShell, Python, Make, Cygwin, C#, PHP, JavaScript, HTML, CSS
1mo
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Senior Software Engineer
Fremont, California, United States
$135k-$150k/yr OnsiteFull Time
Fiery
Fiery: Provider of digital front ends and print workflow solutions.
5+ YOE5+ years system/software development experience; strong C/C++ skills; expertise in Windows and Linux, OS internals, networking, debugging, and performance optimization.
C, C++, Windows, Linux, TCP/IP, sockets, CI/CD