144 dotnet developer jobs at 51 companies in Startup, WA
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Application Developer 2
Bellevue or United States
$100k-$115k/yr RemoteFull Time
1+ YOE1+ year OutSystems development experience, hands-on with Service Studio/Integration Studio; troubleshooting REST/SOAP integrations; mentoring, on-call participation, strong communication, and technical writing.
OutSystems, Service Studio, Integration Studio, OutSystems 11, OutSystems Developer Cloud (ODC), LifeTime, JavaScript, CSS, HTML, SQL, C#, .NET, REST, SOAP, JSON
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Senior Applications Developer
Seattle, Washington, United States
HybridFull Time
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
2w
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Senior Engineer - Durable Compliance
Renton or Palo Alto or Richardson or Bethesda
$75k-$215k/yr HybridFull Time
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 C# Developer (Data Management)
Warsaw or Seattle
HybridFull Time
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
4w
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Sr Software Engineer/Principal Software Engineer
Redmond, Washington, United States
$120k-$304k/yr HybridFull Time
4+ YOEBachelor's in Computer Science (or equivalent) and 4+ years engineering experience; proficiency in C#/C++/Java/JavaScript/Python, Azure PaaS, microservices, and AI development tools; U.S. citizenship and background screening required.
C, C++, C#, Java, JavaScript, Python, PowerFX, React, TypeScript, ASP.NET, Azure Web Apps, Function Apps, Service Bus, Event Hub, REST API, SQL, NoSQL, AKS, Azure Container Apps, Azure SQL, Cosmos DB, Azure Synapse, GitHub Copilot, Copilot CLI/SDK, Claude CLI
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
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
2w
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Software Engineer I
Bellevue, Washington, United States
$151k-$227k/yr RemoteFull Time
1+ YOEBachelor's degree in CS or related field,1 year software development experience,proficiency with C#,JavaScript,React,Python,Git,SQL and cloud platforms; strong communication and critical thinking.
C#, ASP.NET, HotChocolate, Python, JavaScript, React, Linux, Git, SQL, AWS, Azure, GCP
1w
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Lead Power Platform Developer
Seattle, Washington, United States
$90k-$190k/yr HybridFull Time
10+ YOE10+ years Microsoft Dynamics 365 and Power Platform experience; CCaaS/Omnichannel experience; bachelor's degree; hands-on development in Java, Python or .NET; Dynamics 365 certification preferred; strong project management and communication skills.
Microsoft Dynamics 365, Microsoft Power Platform, Java, Python, .NET, CCaaS, Omnichannel
3w
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Senior Software Development Engineer
Seattle, Washington, United States
$112k-$156k/yr HybridFull Time
5+ YOE5+ years software development experience building and operating Azure cloud-native distributed systems; strong C#, .Net Framework, SQL Server, REST APIs, microservices, CI/CD, IaC, security, incident response, and AI-assisted tooling experience.
Azure, C#, .Net Framework, SQL Server, REST APIs, Microservices, CI/CD, infrastructure-as-code, GitHub Copilot, Claude, Azure Service Bus, Kafka
3w
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(USA) Software Engineer II
Seattle or Denver
$88k-$186k/yr OnsiteFull Time
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
3d
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Software Engineer III- Eng
Seattle, Washington, United States
$102k-$169k/yr HybridFull Time
4+ YOEBachelor's degree in computer science, engineering, or related field, or equivalent experience; 4+ years of software development; expertise in C#, .NET, Python, Java, or JavaScript; GitHub, JIRA, cloud, and DevOps experience.
C#, .NET, Python, Java, JavaScript, GitHub, JIRA, Azure, AWS, GCP, JUnit, Selenium
1mo
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Software Engineer, PCBA (Starlink)
Redmond, Washington, United States
$125k-$175k/yr OnsiteFull Time
1+ YOEBachelor's in CS/engineering/STEM, 1+ years full-stack development, experience with C#.NET/Python/Go/Java, build systems (Make/Bazel), Docker/Kubernetes, message queues, databases, and integrating software with manufacturing equipment.
C#.NET, Python, Go, Java, Make, Bazel, pip, npm, UNIX, Apache Kafka, RabbitMQ, ActiveMQ, Docker, Kubernetes, Angular, React, PostgreSQL, SQL Server, NX, Altium, Xpedition, Allen Bradley, Mitsubishi, Fuji, Nordson
1w
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Entry-Level Software Engineer
Dallas or Seattle or Houston or San Francisco or Chicago or Philadelphia or El Segundo or Atlanta or New York
$80k-$92k/yr HybridFull Time
Pursuing a Bachelors or Masters in MIS, Computer Science, or Computer Engineering (graduation Dec 2026–Aug 2027); legal US work authorization without sponsorship; software development or internship experience; strong communication and problem-solving skills.
AWS, Azure, Google Cloud, Databricks, PySpark, CI/CD, Docker, Terraform, Azure OpenAI, AWS Bedrock, LangChain, Python, Java, SQL, JavaScript, .NET, React, Angular
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Software Development Engineer II, Payments Security
Seattle or Herndon
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development and system design experience; proficiency in at least one programming language; Bachelor's degree in computer science or equivalent; strong communication and problem-solving skills.
Python, JavaScript, Go, .NET, Java, AWS
1w
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Software Development Engineer III - Corporate Services
Mountlake Terrace or Alaska or Arizona or Arkansas or California or Colorado or Florida or Georgia or Idaho or Iowa or Kansas or Kentucky or Maine or Michigan or Minnesota or Missouri or Montana or Nevada or New Hampshire or New Mexico or North Carolina or Oklahoma or Oregon or South Carolina or South Dakota or Tennessee or Texas or Utah or Washington or Wisconsin
$98k-$167k/yr RemoteFull Time
5+ YOEBachelor's in CS or equivalent,5+ years software development,experience with Azure,C#,Java,.NET,MS SQL Server,Power Platform,automated testing,Agile;strong technical and analytical skills.
Azure, C#, Java, .NET, Microsoft Visual Studio, MS SQL Server, Power Platform
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.Net/React Senior Developer
Seattle, Washington, United States
$100k-$120k/yr OnsiteFull Time
5+ YOE5+ years experience; proficiency in .NET/.NET Core,C#,React,SQL; experience with application architecture, microservices,Azure and CI/CD; bachelor's in computer science.
.NET Core, .NET, C#, HTML5, CSS3, React, JavaScript, SQL, PL SQL, SQL Server, Oracle, Microsoft Azure, Azure Storage, CI/CD
3w
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Senior Engineer 2, Merchandise Order Management - (Hybrid, Seattle)
Seattle, Washington, United States
$166k-$258k/yr HybridFull Time
8+ YOE8+ years software engineering experience, bachelor’s in engineering/computer science (or equivalent), strong full-stack skills, AI-assisted development experience, front-end and backend proficiency, database and DevOps knowledge.
HTML5, CSS3, JavaScript, React.js, Angular, Vue.js, Node.js, Express.js, Java, .NET, Python, Django, Flask, MySQL, PostgreSQL, MongoDB, Redis, CI/CD, Docker, AWS, Azure, GCP, Claude, Claude Code, GitHub Copilot
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Sr Software Developer - PEGA Platform
Washington or Oregon or Idaho or Arizona or Texas or Georgia or South Carolina or North Carolina or California or Virginia or Tukwila or United States
$110k-$205k/yr HybridFull Time
5+ YOE5+ years building production software with Pega; bachelor's in CS or equivalent; experience with secure development, CI/CD, cloud platforms, SOLID/OOP, testing, Git, and integrations with SQL/NoSQL and front-end frameworks.
PEGA, Pega Blueprint AI, SQL Server, Oracle, Cosmos DB, React, Angular, Azure DevOps Services, GitHub Actions, Jenkins, TeamCity, PowerShell, bash, .NET, C#, node.js, TypeScript, JavaScript, Python, Kubernetes, Git, Azure, AWS, Google Cloud
4d
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Full Stack Engineer I
Bellevue, Washington, United States
$99k-$113k/yr HybridFull Time
0+ YOEBachelor's degree in computer science, software engineering, or equivalent experience preferred; 0–2 years of software engineering or full stack development experience; proficiency with C#/.NET, frontend frameworks, Azure, SQL, testing, and CI/CD.
Microsoft Azure, C#, .NET, React, Angular, Blazor, Azure Functions, ASP.NET Core, Web API, Tailwind CSS, xUnit, MSTest, SQL Server, T-SQL, Azure Cosmos DB, Docker, Kubernetes, .NET Aspire, Azure DevOps, OpenTelemetry, Azure Monitor, Application Insights, Azure Service Bus, Azure Event Grid, MuleSoft, MuleSoft Anypoint Platform, Visual Studio, VS Code, Git, GitOps, AKS, OAuth 2.0
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
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