C# Developer jobs in Seattle, WA

Redmond, Washington

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Today

Position: C# developer with AI/ML Location: Redmond, WA Key ResponsibilitiesDesign, develop, and maintain full-stack solutions using C#, .NET Core, React, and Python/AI-driven components.Build automation and orchestration solutions to improve incident response, reliability, and operational efficiency.Develop REST APIs, microservices, and backend services to support automation workflows.Implement AI/ML models for classification, anomaly detection, predictive analysis, and automated decisioning.

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Contract

Depends on Experience

C# Developer with AI/ML | Onsite | C2C Profiles

Redmond, Washington

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Today

Role: C# Developer with AI/ML Location: Redmond WA- Onsite Key ResponsibilitiesDesign, develop, and maintain C#/.NET applications with integrated AI/ML components.Build scalable backend services, APIs, and microservices to support ML-driven features.Develop, train, test, and deploy machine learning models using frameworks such as TensorFlow, PyTorch, ML.NET, or Scikit-learn.Implement data preprocessing, feature engineering, and model optimization techniques.Integrate AI models into production

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Contract

Depends on Experience

C# Developer with automation testing

Remote

•

Today

Title: C# Developer with Automation Testing Location: Remote Duration: Contract till Sept 2026 Summary: This role involves client applications and involves application testing and providing recommendations for optimization. Required Skills - C#, Java, Java Typescript Selenium Specflow Playwright Job Duties - Responsible for documenting, testing, and supporting efficient and effective computer applications and tools consistent with established specifications and business requirements. Responsibl

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Third Party, Contract

Senior C# Developer

Remote

•

Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Software Engineering Job Qualifications: Skills: C Sharp (Programming Language), Software Development, Software Projects Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Senior C# Developer Seize your opportunity to make a personal impact as a Senior C# Software Develop

Full-time

USD 96,034.00 - 119,600.00 per year

C# .NET Developer on W2, Remote, no C2C

Remote

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11d ago

Proven experience in systems analysis, preferably in government or housing related projects. Strong knowledge of data integration techniques, including ETL processes and API-based data exchange. Proficiency in SQL and experience with relational databases (e.g., SQL Server) . Programming experience in C# (.NET Framework/.NET Core) for backend development and system integration. Familiarity with RESTful APIs, JSON/XML, and web services. Experience with scripting or programming languages such as Py

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Full-time

Depends on Experience

.NET Core Developer exp with WCF, Oracle, C#/Blazor - $65 CTC - REMOTE

Remote

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3d ago

Job Description: Crop to Crop resumes are accepted Location Requirement: Onsite or Remote: No WI residency required. Open to nationwide candidates. DWD is currently allowing remote work from within the continental US. The contractor This is a position needed for the development and support of critical priority applications in the Divisions of Unemployment Insurance. Project work will include: application design and development, new development and modifications to existing code. Successful cand

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Contract

Depends on Experience

Back-End Developer Legacy Modernization (Java OR C#)

Remote

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17d ago

Are you passionate about transforming legacy systems into modern, scalable applications? . We specialize in migrating applications from mainframe and legacy environments to modern platforms like Java Spring and C# .NET using automated tools. In this role, you ll contribute to core modernization efforts, enhance reusable libraries, and mentor junior developers. You ll work closely with a collaborative team to deliver high-quality solutions on schedule. What You ll Be DoingWriting clean, efficient

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Contract

Depends on Experience

C# .Net Full Stack Engineer

Hybrid in Redmond, Washington

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14d ago

C# Full stack Engineer (Hybrid- Redmond)FulltimeSalary up to $120,000 totaRole PurposeThe purpose of the role is to support process delivery by ensuring daily performance of the Production Specialists, resolve technical escalations and develop technical capability within the Production Specialists. 3-5+ years of Full Stack DevelopmentProfessional working experience with AI Integration, DevOps & Operational ExcellenceDesign and develop scalable applications using C# and .NETBuild modern web inter

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Full-time

$100,000 - $130,000

C# Azure Full stack Engineer

Hybrid in Redmond, Washington

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10d ago

C# Full stack Engineer (Hybrid- Redmond) located in Redmond, WA must be able to go onsite 3 days a week.Fulltime, no visa dependent candidates.Salary up to $120,000 totalRole PurposeThe purpose of the role is to support process delivery by ensuring daily performance of the Production Specialists, resolve technical escalations and develop technical capability within the Production Specialists. 3-5+ years of Full Stack DevelopmentProfessional working experience with AI Integration, DevOps & Operat

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Full-time

$100,000 - $120,000

Software Developer (Remote, C#/.Net)

Remote

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Today

Macro Pros has an immediate opening for a .Net/C# Software Developer. This is a permanent position offering a competitive salary with benefits, and 100% remote (must live in one of the states listed below). Location: Remote (Must currently live in one of the approved states) Schedule: Monday - Friday, 8:00 AM - 5:00 PM EST Type: Full-Time (Salaried with Benefits) Salary Range: $80,000 to $90,000 Experience Required: 3+ years Background Process: Below is a list of general guidelines the persp

Full-time

USD 80,000.00 - 90,000.00 per year

Azure Developer / Solution Architect - Onsite - Citizen &

Redmond, Washington

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Today

Must Have Skills: .NET Azure Development C#, ASP.NET Core, Entity Framework SQL Server & Azure SQL Database Nice to Have: Azure Services (App Service, Functions, Storage, Service Bus) CI/CD using Azure DevOps Docker / Kubernetes Cloud Security Best Practices Role Summary: Looking for an Azure Developer / Solution Architect experienced in designing, developing, and deploying scalable backend solutions on Microsoft Azure. The ideal candidate should be proficient in .NET Core, Azure services, an

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Full-time, Contract, Third Party

$DOE

.Net Full Stack Developer

Redmond, Washington

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11d ago

Job Description Must-Have Skills React + TypeScript: Deep expertise in component architecture, state management, and testable UI patterns. .NET 9 (C#): Proven ability to craft high-performance APIs and Azure Function logic. Azure Cosmos DB: Skilled in modelling scalable data structures and tuning performance. KQL (Kusto): Confident in telemetry analysis, dashboards, and automation scripts. Azure Services: Function Apps, Web APIs, Service Bus, Event Hub, Logic Apps, Azure Data Factory. Nice-to-Ha

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Full-time

$120,000 - $130,000

Full Stack .NET Developer (Azure)

Bellevue, Washington

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19d ago

Job Description: We are looking for an experienced Full Stack Developer with strong skills in Azure and .NET technologies to join our team. The ideal candidate will have prior experience working with Microsoft, excellent communication skills, and the ability to work independently in a dynamic environment. Key Responsibilities: Design, develop, and maintain full-stack applications using .NET, C#, WebAPI, and Azure Services. Work with Azure Functions, Azure DevOps, and SQL for cloud-based solution

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Contract

$70 - $80

.NET DEVELOPER | LANSING, MI (2 DAYS ONSITE) ONLY LOCAL

Remote or Lansing, Michigan

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4d ago

JOB TITLE: .NET DEVELOPER JOB DURATION: 10+ MONTHS JOB LOCATION: LANSING, MI (2 DAYS ONSITE) ONLY LOCAL EXPERIENCE: 8+ YEARS VISA: , GC-EAD, -EAD ONLY RATE: $55/HR ON W2 ONLY Job Description We are seeking a skilled .NET Developer to design, develop, and maintain high-quality web and enterprise applications. The ideal candidate should have hands-on experience in .NET Core / .NET Framework, C#, and web technologies, along with strong analytical and problem-solving skills. The role involves

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Contract

USD 50-55

.NET Full Stack Lead

Redmond, Washington

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Today

This is a full-time, day-one onsite position in Redmond, WA. We are looking for candidates with 10+ years of IT experience, specifically with .NET, C#, and data structures (arrays, strings, sorting). If you are interested in full-time opportunities, please share your updated resume. Job Description: Primary Skills: .Net & C#SQLRest APIWeb AppsData Structure (Array List)Azure FunctionsAKS DevOps & OrchestrationFront End /UI ( React.JS, Redux, Next.JS)Microsoft Proprietary Tools ( WTT, Automated

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Full-time

Depends on Experience

.Net Developer

Remote or Hybrid

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Today

Location: Remote EST Salary: 110-120K The Full Stack .NET Developer will design, develop, and maintain scalable web applications using the Microsoft technology stack. This role involves working across the full application lifecycle-from front-end development with React to back-end services built in C# and ASP.NET MVC-while leveraging cloud platforms to deliver secure and high-performing solutions. Required: 3+ years of experience developing web applications using C#, ASP.NET MVC, and .NET Cor

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Full-time

$110000 - $120000 per annum

Senior PHP Laravel Developer

Remote

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4d ago

Title: Senior PHP Laravel DeveloperLocation: Remote Duration: 6 Months (Contract to hire) Job Summary: We are seeking a Senior PHP Laravel Developer specializing in backend API development to build and maintain scalable, secure, and high-performance web applications for Life Insurance sales, agent management, and lead generation.The ideal candidate will have experience working with RESTful APIs, microservices, and backend system integrations to optimize data flow between sales, marketing, and in

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Contract

$60 - $70

Senior UI Developer-Angular/React - FTC - Redmond, WA

Redmond, Washington

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12d ago

Strong proficiency in HTML5, CSS3, JavaScript, TypeScript. Hands-on experience with Angular, React, or Vue.js.Solid backend development experience using .NET Core, C#, and SQL Server.Experience with Azure DevOps, including CI/CD pipeline automation.Familiarity with Docker, Git, and SonarQube.Experience with Azure Cloud Services (App Services, Functions, Blob Storage).Strong understanding of REST APIs, JSON, and Microservices architecture.Knowledge of Agile methodologies (Scrum/Kanban).Excellent

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Contract, Third Party

$40 - $50

Senior Single Sign On Engineer (SSO) - C# / SAML, Ping Identity / Okta

Remote

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Today

100% Remote - Candidates only - NO THIRD PARTY Our client is looking to augment their team with a C# SSO Software Engineer to assist in the implementation of Customer Single Sign-On (SSO) solutions. Requirements: 5+ years of overall C#.NET development experience,Experience developing Identity Access Management (IAM) solutionswith Ping Identity (or Okta) / SAMLExperience with Single Sign-On (SSO), access controls, identity proofing, OAuth, OpenID Connect (OIDC), WS-Fed, MFA, Public Key Infrastruc

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Contract

Depends on Experience

Senior Software Engineer (C# / Azure / .NET Core / microservices, AKS)

Remote

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4d ago

Remote Senior C# / .NET Software Engineer (.NET Core, Azure, microservices, AKS) Our client is looking to augment their team with an experienced Senior Software Engineer to assist in the implementation of cloud-based systems used by large corporations. This is a "best of all worlds" type of opportunity, working alongside highly-skilled resources, within a specialized technology division of a larger company, providing solutions to Fortune 500 companies. We are looking for flexible resources on th

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Full-time

$125,000 - $165,000

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C# Developer jobs in Seattle, WA, USA