157 dotnet developer jobs at 57 companies in Mercer Island, WA
3d
Save
Mark Applied
Hide
3d
Senior .Net Developer
Olympia, Washington, United States
$96k-$126k/yrHybridFull Time
Washington State Administrative Office of the Courts: Provides administrative and technological support to Washington State's judiciary.
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
Sono Bello: Provides specialized laser liposuction and body contouring surgical procedures.
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.
Washington State Department of Ecology: Provides environmental regulation and conservation services for Washington state.
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
U-HaulNYSE: UHAL: Provides moving truck rentals and self-storage units to consumers.
2+ YOEStrong knowledge of C#, .NET, MVC, SQL, and JavaScript; strong communication skills; bachelor's degree in computer science, engineering, or technology, or 2–3 years of software development experience.
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
Wounded Warrior Project: Provides support services and mental health programs for veterans.
7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.
Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people 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.
PEMCO: Provides auto, home, and boat insurance to Northwest residents.
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
GEICO: Provides vehicle and property insurance services to consumers.
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.
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
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
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
Tacoma or Fort Lewis or Aurora or San Antonio or Falls Church
OnsiteFull Time
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
8+ YOEFull-stack secure web developer with Sitecore experience, HTML/CSS/JavaScript, modern front-end frameworks, ASP.NET/C#, SQL, Jira; 8+ years experience, Bachelors in IT/math or equivalent, active IAT II and CE certifications, U.S. citizenship and ability to obtain government clearance.
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
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.
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
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.
UKG: Provider of workforce management and human capital management software.
4+ YOEBachelor's degree in computer science, engineering, or related field or equivalent experience; 4+ years software development; expertise in a programming language; GitHub, JIRA, cloud, DevOps, and design pattern experience.
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree in computer science, engineering, math, or science, or 2+ years software experience; 1+ year full-stack development experience. Onsite work required.
init SE: A global provider of IT solutions for public transportation systems.
3+ YOEMore than 3 years of software development experience, strong C# and .NET skills, REST API and relational database experience, modern frontend experience, English proficiency, and international teamwork skills.
C#, .NET, Angular, REST APIs, Microsoft Azure, CI/CD, Microsoft SQL Server
Dallas or Seattle or Houston or San Francisco or Chicago or Philadelphia or El Segundo or Atlanta or New York
$80k-$92k/yrHybridFull Time
Pariveda: Provides technology and strategy consulting for business growth.
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.
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/yrRemoteFull Time
Premera Blue Cross: Provides health insurance and medical benefit plans for members.
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