1,386 c software jobs at 181 companies in Lynnwood, WA

2d
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C# Software Engineer
Everett or Seattle or Oak Harbor
$67k-$133k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's degree in a related field, C# and Python experience, 0–3 years of experience, US citizenship, Secret clearance eligibility, and strong problem-solving and communication skills.
C#, Python, Agile, API
1mo
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Software Engineer - Network (C++)
Palo Alto or Seattle
$180k-$440k/yr OnsiteFull Time
xAI
xAI: Develops advanced artificial intelligence systems to understand the universe.
2+ YOEStrong C/C++ experience, networking and distributed systems knowledge, Bachelor's degree or 2+ years professional software development experience, ability to work extended hours and weekends.
C, C++, UDP, TCP/IP, RDMA
1d
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Remote C/C++ Developer
Seattle or United States or Canada or Austria or Belgium or France or Germany
$200-$300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOE3+ years of software engineering experience; expertise building and deploying scalable full-stack applications; strong architecture, development, debugging, code review, and communication skills.
C, C++, Python, JavaScript, ReactJS, Java, Rust, Go
1w
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C++ Software Engineer
Cambridge or Arlington or Seattle
$90k-$210k/yr OnsiteFull Time
MORSE Corp
MORSE Corp: Develops AI and autonomous systems for US national security.
5+ YOERequires 5+ years of software development experience, C++ expertise, Python proficiency, hardware and embedded systems knowledge, Docker/Docker-compose/Kubernetes experience, and a Computer Science degree or equivalent experience.
C++, Python, Docker, Docker Compose, Kubernetes, Scrum, Kanban
1w
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Software Engineer, C++ Simulations (Starlink)
Redmond, Washington, United States
$125k-$200k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree in STEM and 1+ year of software development, or 4+ years of professional C++ or numerical simulation experience. Requires expert C++, performance optimization, testing, and software architecture skills.
C++, Python, JavaScript, Monte Carlo, hardware-in-the-loop (HITL), continuous integration, unit testing, integration testing
1w
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Senior C++ Programmer
Seattle, Washington, United States
OnsitePart Time, Full Time
Ladgov Corporation
Ladgov Corporation: Provides professional and administrative services to federal agencies.
10+ YOEComputer science or related degree, 10+ years of programming experience, strong C++ proficiency, and experience with complex C++ applications, C++17, Qt 6, Boost, Git, software deployment, and security requirements.
C++, C++17, Qt 6, Boost, Git, Windows, Linux, macOS
2d
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C# Software Engineer
Everett or Seattle or Oak Harbor
$67k-$133k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Bachelor's degree in a related engineering or computer science field, C# and Python experience, 0–3 years of experience, U.S. citizenship, and ability to obtain DoD Secret clearance.
C#, Python, API, Agile, CompTIA Security+
1mo
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Senior C# Developer (Data Management)
Warsaw or Seattle
HybridFull Time
Veeam
Veeam: Data resilience and security for hybrid cloud environments
5+ YOE5+ years commercial software development experience; proficiency in C# and .NET, software architecture, data structures and algorithms; problem-solving mindset and English proficiency.
C#, .NET, Microsoft Azure, Microsoft Entra ID, Veeam Data Command Center, Veeam Service Provider Console, Veeam VDC Azure/Entra ID services
6d
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C++ with PERL Developer
Seattle, Washington, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOERequires 8+ years of software development experience, strong C++ and Perl skills, Linux/Unix, databases, web technologies, APIs, cloud platforms, Git, CI/CD, and debugging.
C++, Perl, Linux, Unix, Entity Framework, LINQ, SQL Server, MySQL, PostgreSQL, HTML, CSS, JavaScript, Azure, AWS, Git, CI/CD, DevOps, Shell, Python
1mo
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Senior Software Engineer – C++ gRPC Services
Seattle, Washington, United States
$143k-$215k/yr OnsiteFull Time
Re:Build Manufacturing
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
6+ YOEBachelor's in CS (or equivalent),6+ years industry experience, modern C++ (C++17/20), gRPC, systems programming, multithreading, performance profiling, API design, cloud and CI/CD familiarity.
C++, C++17, C++20, gRPC, CUDA, CMake, conan2, vcpkg, AWS, Azure, GCP, EC2, ECS, EKS, git, docker, OpenGL, WebGL, three.js, OCCT/OpenCASCADE, Parasolid, ACIS
1d
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Lead Software Architect
Tukwila, Washington, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
9+ YOEBachelor's degree, 9+ years in software development processes, 5+ years designing software with Python, C/C++, C# or Java, 3+ years in software architecture, and ability to obtain Secret clearance.
Python, C, C++, C#, Java, MIL-STD-6016, MIL-STD-6040
1d
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Lead Software Architect
Tukwila, Washington, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
9+ YOEBachelor's degree, 9+ years in software development processes, 5+ years designing software with Python, C/C++, C# or Java, 3+ years in software architecture, U.S. citizenship, and ability to obtain Secret clearance.
Python, C, C++, C#, Java, MIL-STD-6016, MIL-STD-6040
6d
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Framework Software Engineer
Seattle or United States
$145k-$160k/yr RemoteFull Time
ExtraHop
ExtraHop: Provides network detection and response software for cybersecurity.
4+ YOEBachelor's degree in computer science, engineering, STEM, or related field; 4+ years building production software; expertise in C and C++, Linux, networking, debugging, data structures, algorithms, and software design.
C, C++, Go, Python, Linux, gdb, AWS, HTTP, SMB, Kerberos, TLS, Microsoft protocols, TCP/IP, FSA, EAP, 401k
1w
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Senior System Software Engineer - Simulation Software
Santa Clara or Austin or Hillsboro or Seattle
$152k-$242k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
5+ YOERequires a BS/MS in a relevant engineering or computer science field, 5+ years of software development, C/C++, Python, Linux, simulation platforms, debugging, automation, and system software experience.
C, C++, Python, SystemC, VDK, Linux
1w
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Senior System Software Engineer - Simulation Software
Santa Clara or Austin or Hillsboro or Seattle
$152k-$242k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
5+ YOEBachelor's or master's degree or equivalent experience in a related engineering field, 5+ years of software development, C/C++, Python, Linux, simulation platforms, debugging, automation, and system software experience.
C, C++, Python, SystemC, VDK, Linux
2mo
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Software Engineer II & Senior Software Engineer
Redmond, Washington, United States
$102k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
2+ YOEBachelor's degree or equivalent experience; 2+ years engineering experience (SE II) or 4+ years (Senior). Proficiency coding in C, C++, C#, Java, JavaScript, or Python. Experience with macOS/Linux, systems or security software preferred. Must pass Microsoft Cloud background check.
C, C++, C#, Java, JavaScript, Python, Objective-C, macOS, Linux, Endpoint Security Framework (ESF)
2w
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Sr. Software Manager
Snoqualmie, Washington, United States
$180k-$210k/yr HybridFull Time
OSI Systems
OSI SystemsNASDAQ: OSIS: Manufacturer of specialized electronic systems for security and healthcare.
9+ YOE5+ MgmtBachelor's in computer science (master's preferred), 9+ years software development, 5+ years medical device and 5+ years leading teams, proficiency in C/C++/C#/Java, Azure DevOps or Jira, SDLC/IEC 62304 experience, travel up to 10%.
C, C++, C#, Java, SQL, NoSQL, Windows, Linux, Azure DevOps, Jira, IEC 62304
2w
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Senior Software Engineer
Seattle, Washington, United States
$112k-$169k/yr RemoteFull Time
Impinj
ImpinjNASDAQ: PI: Provides RAIN RFID technology for tracking and identifying items.
5+ YOEBachelor's in CS/CE/EE,5+ years embedded software experience,expertise in C/C++,Python,Embedded Linux,device drivers,SoC bring-up,hardware interfaces,SOC debugging and CI/CD.
C, C++, Python, Embedded Linux, Yocto, Buildroot, GDB, logic analyzers, CI/CD pipelines
2mo
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Flight Software Engineer III
Seattle, Washington, United States
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOE5+ years embedded software, C/C++, RTOS, real-time systems, software verification and testing, hardware interfaces (UART, SPI, I2C, TCP/IP).
C, C++, RTOS, UART, SPI, I2C, TCP/IP, Python
2mo
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Software Engineer | Database Engine
Hyderabad or Bangalore or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Lisbon or Dublin or Kyiv or India
OnsiteFull Time
SingleStore
SingleStore: Real-time distributed SQL database for transactions and analytics.
B.S. in CS/CE/EE or related; deep CS fundamentals (OS, concurrency, multithreading), strong C++ or C programming, algorithms/data structures, and passion for building reliable software.
C++, C, SIMD, LLVM codeGen, LLM, SQL