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Top C# Jobs in Seattle, WA

Reposted 4 Days AgoSaved
Hybrid
Seattle, WA
133K-235K Annually
Mid level
133K-235K Annually
Mid level
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
As a C++ Software Engineer, you will optimize ML infrastructure, enhance feature pipelines, and collaborate with ML engineers to improve Snapchat’s services.
Top Skills: C++GoJava
Reposted 5 Days AgoSaved
In-Office
Seattle, WA
108K-192K Annually
Senior level
108K-192K Annually
Senior level
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Develop and maintain data integrations and applications, ensure security compliance, and optimize performance across multiple systems and platforms.
Top Skills: .NetAWSAzure DevopsC#GitlabPl/SqlPythonSQLTanzu
Reposted 4 Days AgoSaved
In-Office
Seattle, WA
140K-270K Annually
Mid level
140K-270K Annually
Mid level
Artificial Intelligence • Computer Vision • Hardware • Robotics • Metaverse
The role involves compiler verification through designing C++ test suites, automating testing processes, identifying gaps, and enhancing test quality using AI technologies.
Top Skills: Ai TechnologiesC++C++23C++26GitIso C++20JIRAMakePerforce
Reposted 7 Days AgoSaved
Easy Apply
In-Office
Seattle, WA
Easy Apply
123K-170K Annually
Junior
123K-170K Annually
Junior
Aerospace • Other
As a Software Engineer for Starlink, you will develop and maintain software for satellites and ground systems, focusing on reliability and real-time performance.
Top Skills: AssemblyCC++
28 Minutes AgoSaved
Remote
Seattle, WA
119K-198K Annually
Senior level
119K-198K Annually
Senior level
Other • Software • Analytics
Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.
Top Skills: Asynchronous ProgrammingC#C++MvvmTask Parallel LibraryWpf
Reposted 11 Days AgoSaved
In-Office
Seattle, WA
Mid level
Mid level
Artificial Intelligence • Information Technology • Software • Consulting
Looking for mid to senior level .NET/C# developers with SharePoint experience to enhance customer experience through new functionality. Candidates will document business requirements and develop application design documentation.
Top Skills: .NetAngularjsC#OdataSAPSharepointSQLWeb Services
3 Days AgoSaved
Remote
Seattle, WA
Senior level
Senior level
Database
Develop and maintain the C# SDK for Supabase, ensuring a seamless experience for .NET developers, while engaging with the community and collaborating across teams.
Top Skills: .NetC#GoPythonTypescript
Reposted 3 Days AgoSaved
Remote
Seattle, WA
108K-195K Annually
Senior level
108K-195K Annually
Senior level
Information Technology • Software
Architect, design, build, test, and deploy highly available real-time systems. Participate across the SDLC, implement automated testing and CI/CD, maintain documentation, troubleshoot and enhance existing software, and collaborate in an Agile/Scrum team environment.
Top Skills: .Net CoreC#Ci/Cd PipelinesGitJavaScriptJIRAExcelMs PowerpointMs VisioMs WordRazorRelational DatabasesTest AutomationTesting FrameworksVue
Reposted 3 Days AgoSaved
Remote
Seattle, WA
5-5 Annually
Senior level
5-5 Annually
Senior level
Cloud • Digital Media • Hardware • News + Entertainment • Software
Seeking a Senior Software Developer for developing high-performance distributed systems for media workflows, including video transcoding and content delivery.
Top Skills: .Net CoreC#C++GraphQLGrpcLinuxMySQLPostgresRest ApisSQL ServerWebrtcWebsockets
13 Days AgoSaved
In-Office
Seattle, WA
48-53 Hourly
Senior level
48-53 Hourly
Senior level
Big Data • Analytics
Design and develop business applications in Azure, working on backend with C# and frontend with JavaScript/TypeScript, while ensuring security and collaborating with teams.
Top Skills: AzureC#JavaScriptTypescript
Reposted 15 Days AgoSaved
In-Office
Seattle, WA
Senior level
Senior level
Information Technology • Software
The role involves software development with a focus on T SQL programming and development using SQL Server and C#.
Top Skills: C#SQL ServerT Sql
Reposted 15 Days AgoSaved
In-Office or Remote
Seattle, WA
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The Software Engineer will analyze, rank, and improve AI-generated code, providing feedback for reinforcement learning in a remote role.
Top Skills: C#
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Reposted 15 Days AgoSaved
In-Office or Remote
Seattle, WA
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.
Top Skills: C++
Reposted 15 Days AgoSaved
In-Office
Seattle, WA
Mid level
Mid level
Information Technology • Software
Seeking an experienced AngularJS and C# developer to create a data dashboarding site with reusable MVC code and templating frameworks.
Top Skills: AngularjsBootstrapC#D3Mvc
Reposted 15 Days AgoSaved
In-Office
Seattle, WA
Mid level
Mid level
Information Technology • Software
The role involves developing a data dashboarding site using AngularJS, D3, and C#, focusing on creating reusable client-side MVC code with templating frameworks.
Top Skills: AngularjsBootstrapC#D3Mvc
Reposted 15 Days AgoSaved
In-Office
Seattle, WA
Mid level
Mid level
Information Technology • Consulting
Looking for an SQL and C# developer with 6 years of software development experience, proficient in T SQL programming and development, and strong in C#.
Top Skills: C#SQL ServerT Sql
Reposted 7 Days AgoSaved
Remote
Seattle, WA
Senior level
Senior level
Fintech • Software
Develop backend services and APIs, improve existing solutions, create automated tests, and collaborate with the team while ensuring code quality and documentation.
Top Skills: Apache KafkaAsp.NetAWSC#Entity FrameworkGitGraphQLGrpcHTTPNatsNoSQLNunitRabbitMQRedisSoapSQLTcpXunit
Reposted 17 Days AgoSaved
In-Office or Remote
Seattle, WA
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train large-language models to improve code quality by comparing snippets, providing feedback, and refining AI-generated code. Requires strong communication skills and attention to detail.
Top Skills: C
18 Days AgoSaved
In-Office or Remote
Seattle, WA
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Review, rank, repair, and refactor AI-generated code to improve correctness, performance, and style. Provide detailed written feedback and edits for RLHF pipelines, converting expert judgments into signals used to train models. Work asynchronously as a remote 1099 contractor.
Top Skills: C++
Reposted 8 Days AgoSaved
Easy Apply
Remote
Seattle, WA
Easy Apply
141K-208K Annually
Mid level
141K-208K Annually
Mid level
Database • Analytics
Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.
Top Skills: C++KubernetesTcp/IpUnix/Linux
Reposted 19 Days AgoSaved
In-Office
Seattle, WA
Expert/Leader
Expert/Leader
Information Technology • Software
The role involves developing Power BI reports, dashboards, and visualizations, working with T-SQL and SSAS, and requires extensive experience in C# and ASP.Net.
Top Skills: Asp.NetC#MdxPower BIPower QueryPower ViewSsasSsrsT-Sql
Reposted 20 Days AgoSaved
In-Office
Seattle, WA
148K-288K Annually
Senior level
148K-288K Annually
Senior level
Artificial Intelligence • Computer Vision • Hardware • Robotics • Metaverse
Develop scalable C++ software for data center management under Linux, manage builds, CI/CD processes, and support users with software improvements.
Top Skills: AnsibleC++CmakeCpackCtestCudaDockerGithub ActionsGitlab-CiGoJenkinsKubernetesLinuxPythonRust
Reposted 11 Days AgoSaved
Seattle, WA
Senior level
Senior level
AdTech • Fintech • Information Technology • Database
Design and implement high-performance system software for medical devices, collaborating with hardware engineers and ensuring adherence to clinical standards.
Top Skills: C++Python
Reposted 11 Days AgoSaved
Remote
Seattle, WA
Senior level
Senior level
Information Technology
Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.
Top Skills: .Net.Net CoreAWSAzureC#DockerKafkaKubernetesLinux
Reposted 21 Days AgoSaved
In-Office
Seattle, WA
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The C# ETL Azure Developer will work in agile environments to develop high-performance C# libraries for Azure Data Factory, ensuring strong standards, scalability, and troubleshooting capabilities. Candidates should have strong SQL and object-oriented design skills, as well as experience with Azure cloud development.
Top Skills: Azure Data FactoryC#JavaAzurePythonSQL
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