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249 net developer jobs at 76 companies in Washington

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Senior .NET Developer
Olympia, Washington, United States
$96k-$126k/yr HybridFull Time
State of Washington
State of Washington: The official government website for the State of Washington.
8+ YOEBachelor’s degree in IT, computer science, or related field plus 8 years in complex IT, including 6 years developing applications with C#, .NET, Entity Framework, or similar tools.
C#, .NET, MS Entity Framework, Blazor, Angular, React/Vite, Git, Azure DevOps, GitHub Actions, SQL, GitHub Copilot, Claude Code, Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft Word, Microsoft OneNote, Microsoft PowerPoint
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2d
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.Net/C# Developer
Wichita or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Service-disabled veteran-owned small business providing professional and IT services to the U.S. federal sector.
8+ YOERequires 8+ years of .NET and/or C# development, a bachelor's degree or equivalent, U.S. citizenship, Public Trust (MBI) eligibility, and experience with AWS, Git, SQL, Jira, containerization, and DevOps.
.NET, C#, SQL, AWS, JIRA, Git, Containerization, DevOps, Electronic Data Interchange X.12 (EDI), T-SQL, Microsoft Teams, LinkedIn
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.Net+Azure Developer
Bellevue, Washington, United States
$64k-$105k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
2+ YOEExperience with C#/.NET, REST APIs, Microsoft Azure, SQL/Kusto, unit testing, CI/CD, GitHub/Azure DevOps; 2+ years professional engineering experience.
C#, .NET, REST APIs, Microsoft Azure, SQL, Kusto, GitHub, Microsoft Azure DevOps, Microsoft Cosmos DB, Microsoft Azure Service Bus, Microsoft Intune, CI/CD, Microservices, Unit Testing
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Senior .NET Solutions Developer
Issaquah or United States
$100k-$150k/yr RemoteFull Time
Bright Vision Technologies
Bright Vision Technologies: AI-powered enterprise automation and software development firm.
5+ YOEBachelor's degree in a technical discipline and 5+ years of software development experience. Requires C#, .NET Core, ASP.NET Web API, front-end frameworks, SQL Server, CI/CD, Git, and Azure or AWS experience.
C#, .NET Core, ASP.NET Web API, Angular, React, SQL Server, OAuth2, OpenID Connect, JWT, Azure AD, Okta, CI/CD, Git, Azure, AWS, Docker, Kubernetes, Azure DevOps
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C#.Net Full Stack Developer
Maynooth or Karlsruhe or Seattle or Ireland
HybridFull Time
init innovation in traffic systems SE
init innovation in traffic systems SEFrankfurt Stock Exchange: IXX: German publicly traded technology providing integrated hardware and software solutions for public transport operators.
3+ YOERequires 3+ years of software development experience, strong C# and .NET skills, REST API and relational database experience, frontend framework experience, English proficiency, and legal authorization to work in Ireland.
C#, .NET, Angular, REST APIs, relational databases, Microsoft Azure, CI/CD
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Senior Full Stack .NET Developer
Detroit or United States or Michigan or Ohio or Indiana or Illinois or Wisconsin or Minnesota or Iowa or Missouri or Arkansas or Louisiana or Mississippi or Alabama or Georgia or Florida or South Carolina or North Carolina or Virginia or West Virginia or Kentucky or Tennessee or Maryland or Delaware or Pennsylvania or New Jersey or New York or Connecticut or Rhode Island or Massachusetts or Vermont or New Hampshire or Maine or Texas or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Montana or Idaho or Utah or Arizona or New Mexico or Nevada or California or Oregon or Washington or Alaska or Hawaii
$150k-$175k/yr RemoteFull Time
Team Velocity Marketing
Team Velocity Marketing: Private automotive marketing technology agency providing customer-experience software and digital advertising to auto dealerships.
5+ YOERequires 5+ years of software development experience, advanced C#/.NET skills, modern frontend experience, APIs, microservices, databases, Agile practices, testing, CI/CD, and independent project delivery.
C#, .NET, Angular, Vue.js, React, RESTful APIs, SQL Server, PostgreSQL, MySQL, Redis, Elasticsearch, Kafka, Snowflake, Cassandra, Scrum, Kanban, TDD, CI/CD, GitHub Copilot, ChatGPT, Claude, Cursor, Docker, AWS, Microsoft Azure, GCP, Kubernetes, Apollo
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Senior .Net Developer
Olympia, Washington, United States
$96k-$126k/yr HybridFull Time
Administrative Office of the Courts
Administrative Office of the Courts: Washington government agency providing administrative, technology, financial, program, and research services to the state judicial system.
8+ YOEBachelor's degree in IT, Computer Science, or related field, 8 years in complex IT, including 6 years developing applications with C#, .NET, Entity Framework, or similar tools.
C#, .NET, Microsoft Entity Framework, Blazor, Angular, React, Vite, Git, Azure DevOps, GitHub Actions, SQL, GitHub Copilot, Claude Code, Microsoft Teams, Microsoft Outlook, Microsoft Word, Microsoft OneNote, Microsoft PowerPoint, Microsoft 365
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Software Engineer - C#/.NET
Camas, Washington, United States
$95k-$115k/yr OnsiteFull Time
nLIGHT
nLIGHTNASDAQ: LASR: Public high-power semiconductor and fiber-laser manufacturer serving defense, sensing, and advanced-manufacturing customers.
5+ YOEBachelor's degree in CS/CE (or related), 5+ years Windows/PC software development, strong C# and .NET skills, experience with Visual Studio and Git; familiarity with REST/RPC, Windows installers, SQL and Azure preferred.
C#, .NET, Git, Microsoft Visual Studio, Azure, SQL, REST, RPC, Windows
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Payments .NET Application Developer
Charlotte or Scottsdale or Dallas or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$44-$54/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOE5+ years .NET development experience; proficient in C# and .NET core; relational DB experience (Oracle/MSSQL/PostgreSQL); Visual Studio and Git; strong OOP, design patterns, and communication skills; associate or bachelor degree.
.NET core, C#, Oracle, MSSQL, PostgreSQL, Microsoft Visual Studio, git, ASP.NET Core MVC, Web API, SQL Server, Entity Framework Core, ReactJS, VueJS, HTML, CSS, JavaScript, NUnit, xUnit, CockroachDB, Kafka
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Software Engineer
Florida or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kentucky or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Delaware or Connecticut or Colorado or Arkansas or Arizona or Alabama or Missouri or Wyoming
$70k-$80k/yr RemoteFull Time
Harris Computer
Harris Computer: Global provider of mission-critical vertical market software solutions.
Experience developing C#/.NET applications, MS SQL Server and T-SQL; BS in Computer Science or equivalent; US authorization and US-based location required; familiarity with AI-assisted development tools preferred.
C#, .NET, Microsoft SQL Server, T-SQL
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Senior Applications Developer
Seattle, Washington, United States
HybridFull Time
Guy Carpenter
Guy Carpenter: Marsh-owned global reinsurance broker and advisory firm serving insurers with analytics and capital solutions.
10+ YOE10+ years software development experience; expert C# (.NET) and Visual Studio; strong knowledge of threading, async/await, LINQ, REST, Azure; SQL and Protobuf experience; Agile teamwork and strong communication.
C#, .NET, Visual Studio 2022/2023, Azure, SQL, Protobuf, Angular, WebAssembly, HTML, CSS, TypeScript, JavaScript, jQuery, Python, Kubernetes, C++, LLMs
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Software Engineer
Seattle or Washington
$97k-$162k/yr HybridFull Time
PEMCO Mutual Insurance
PEMCO Mutual Insurance: Seattle-based mutual personal-lines insurer serving Washington and Oregon residents with auto, home, renters, boat, and pet coverage.
1+ YOEBachelor's degree or equivalent experience, 1–2 years of software development experience, and proficiency with C#, .NET, React, JavaScript, SQL, GitHub, GitHub Copilot, and Microsoft Office.
C#, .NET, ASP.NET Core, React, JavaScript, RESTful APIs, SQL, GitHub, GitHub Copilot, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, Extreme Programming
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Senior C# Developer (Data Management)
Warsaw or Seattle
HybridFull Time
Veeam Software
Veeam Software: The Data and AI Trust.
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
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Senior Engineer - Durable Compliance
Renton or Palo Alto or Richardson or Bethesda
$75k-$215k/yr HybridFull Time
GEICO
GEICO: A leading provider of auto and property insurance.
3+ YOE4+ years software development experience with Duck Creek and 3+ years with .NET/C#; experience in architecture, cloud, DevOps, monitoring, security, and microservices; bachelor's degree or equivalent.
Duck Creek, C#, .NET, Visual Studio, SQL Server, ASP.NET, MVC, Web API, Java, Python, Go, JavaScript, TypeScript, HTML-5, Angular, React, XML, JSON, RESTful Web Services, Event Driven Architectures, SQL, NoSQL, Docker, Kubernetes, Azure, Azure DevOps, AWS, GCP, ManuScript, CBO, Author
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Senior Software Engineer
Redmond or New York
$120k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
4+ YOEBachelor's in CS or related (or equivalent), 4+ years engineering experience; proficiency in C/C++/C#/Java/JavaScript/Python; experience with Windows/.NET development, CI/CD, telemetry, and performance optimization.
C, C++, C#, Java, JavaScript, Python, .NET, Win32 API, WinUI3, UWP, CI/CD
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(USA) Software Engineer II
Seattle or Denver
$88k-$186k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
3+ YOE.Net and C# proficiency, experience with MongoDB/NoSQL and AWS, commercial software development experience, bachelor's degree or 3+ years engineering experience, strong debugging and analytical skills.
.Net, C#, MongoDB, NoSQL, AWS, WCAG 2.2 AA
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
Marchex
MarchexNASDAQ: MCHX: Public U.S. conversation-intelligence software helping businesses turn phone and text conversations into revenue insights.
3+ YOEBachelor's degree or equivalent experience, 3+ years software development, strong frontend skills (Angular/TypeScript/HTML/CSS), experience with backend (.NET/C# or Node.js), CI/CD and observability tool experience, cloud familiarity (Azure preferred).
Angular, TypeScript, HTML, CSS, RxJS, Redux, C#, .NET, .NET 8, Node.js, Scala, SQL, NoSQL, Azure, GitHub Actions, Bicep, New Relic, Application Insights, Jasmine, Cypress, Playwright, Cursor, Claude Code, Codex, GitHub Copilot, Kafka
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Lead Power Platform Developer
Seattle, Washington, United States
$90k-$190k/yr RemoteFull Time
CapTech Consulting
CapTech Consulting: Technology and management consulting firm.
10+ YOE10+ years of Microsoft Dynamics 365 and Microsoft Power Platform experience; bachelor's degree; Java, Python, or .NET development; Dynamics 365 implementation leadership; CRM/ERP integration; project management and communication skills.
Microsoft Dynamics 365, Microsoft Power Platform, CCaaS, Omnichannel, Java, Python, .NET, Salesforce
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Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
Patch My PC
Patch My PC: Private software providing endpoint management and third-party application patching for IT and security teams.
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
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Software Engineer Stf - E4
Manassas or Washington or Sunnyvale or Palo Alto or New York City or Newark or Denver or Chester County or Stratford or Moorestown or Dallas or Fort Worth or Orlando or Grand Prairie or Marietta or Camden or Lexington or Ocala or Lufkin
$109k-$202k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Bachelor’s degree and software development experience with C++, Java, JavaScript, TypeScript, .NET, ABAP, databases, APIs, Docker, Git, CI/CD, Windows, Linux, and technical leadership; U.S. citizenship required.
C++, Java, JavaScript, TypeScript, .NET, ABAP, HTML5, CSS, SQL Server, MySQL, PostgreSQL, MongoDB, Docker, Git, GitLab, GitHub, Continuous Integration (CI), Continuous Deployment (CD), Windows, Linux, Manufacturing Execution Systems (MES), Enterprise Resource Planning (ERP), Product Life Cycle Management (PLM)
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