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Top C# Jobs in Seattle, WA

4 Days Ago
Hybrid
Seattle, WA
Senior level
Senior level
AdTech • Cloud • Machine Learning • Mobile • Retail
Lead development and optimization of software applications for large scale data processing in ads. Mentor engineers and manage complex projects.
Top Skills: AirflowApache BeamAWSAzureC#C++GCPGoGoogle DataflowJavaKafkaKotlinSpark
4 Days Ago
Hybrid
Seattle, WA
176K-220K Annually
Senior level
176K-220K Annually
Senior level
AdTech • Cloud • Machine Learning • Mobile • Retail
Contribute to backend development of Moloco's machine learning advertising platform, focusing on infrastructure integration, optimization, and maintenance, while mentoring junior engineers.
Top Skills: AWSAzureC#C++GCPGoJavaKotlin
4 Days Ago
Seattle, WA
148K-207K Annually
Mid level
148K-207K Annually
Mid level
Aerospace
Develop software platforms to enhance manufacturing automation and enterprise systems, ensuring safety and efficiency in space exploration.
Top Skills: AWSAzureC#DevOpsJavaScriptPythonSQL
4 Days Ago
Seattle, WA
121K-170K Annually
Mid level
121K-170K Annually
Mid level
Aerospace
The Automation Controls Integration Engineer II will integrate automated equipment, modify electrical systems, support SCADA applications, and enhance manufacturing processes, leveraging controls engineering expertise.
Top Skills: Allen Bradley Control LogixAWSC#CncIgnitionKepwarePlcPythonRobotsSiemens Tia Portal
5 Days Ago
Seattle, WA
180K-208K Annually
Senior level
180K-208K Annually
Senior level
AdTech
As a Senior Software Engineer, you will design and build the Experimentation platform, develop data products, and collaborate on statistical techniques for A/B testing.
Top Skills: AirflowC#DatabricksGoJavaPython
5 Days Ago
Seattle, WA
180K-208K Annually
Senior level
180K-208K Annually
Senior level
AdTech
This role involves leading the design and development of an Experimentation platform, building data pipelines, and collaborating with teams to deliver data-focused products at scale.
Top Skills: AirflowC#DatabricksGoJavaPython
5 Days Ago
Seattle, WA
137K-177K Annually
Mid level
137K-177K Annually
Mid level
eCommerce • Retail
Develop high-quality, scalable code for projects, conduct code reviews, resolve production issues, and design back-end systems using Java and Spring Framework.
Top Skills: C#CSSGCPHTMLJavaJavaScriptMongoDBPythonRestSpring FrameworkSQL
5 Days Ago
Remote
Seattle, WA
72K-205K Annually
Senior level
72K-205K Annually
Senior level
Insurance
As a Senior Java Engineer, you will design and build scalable systems, engage in collaboration, mentor peers, and improve processes using AI and ML.
Top Skills: AIAWSAzureC#C++DevOpsGCPJavaMicro-ServicesMlPythonRest Apis

Featured Jobs

5 Days Ago
Remote
Seattle, WA
105K-260K Annually
Senior level
105K-260K Annually
Senior level
Insurance
The Senior Staff Engineer will lead technical strategies, develop software solutions, mentor engineers, and improve systems within an enterprise setting.
Top Skills: AzureC#DockerJavaKubernetesNoSQLPowershellPythonSQL
5 Days Ago
Seattle, WA
Senior level
Senior level
Insurance
The Senior Engineer will design and build scalable systems, collaborate across teams, and drive solutions for enterprise applications while mentoring engineers and improving processes.
Top Skills: AzureC#DockerGoHTMLJavaKubernetesNoSQLPowershellPythonReactSQLTypescript
5 Days Ago
Remote
Seattle, WA
105K-230K Annually
Expert/Leader
105K-230K Annually
Expert/Leader
Insurance
Lead the design and development of software solutions for Pricing, collaborating with teams to align technology with business goals, while mentoring engineers and overseeing system initiatives.
Top Skills: AWSAzureC#DockerErp SystemsJavaKubernetesMySQLOraclePostgresSQL Server
5 Days Ago
Remote
Seattle, WA
80K-185K Annually
Senior level
80K-185K Annually
Senior level
Insurance
The Senior Java Engineer will design and build scalable systems, mentor engineers, and enhance engineering quality, working collaboratively across teams.
Top Skills: AWSAzureC#C++DevOpsGCPJavaPythonSecurity Protocols
24 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Manager of Quality Engineering will lead a team, implementing quality standards, promoting automation, and collaborating to enhance testing approaches and resolve quality issues.
Top Skills: .NetApigeeAWSAzureC#CypressDockerGCPGitlabGoJavaScriptK6KubernetesNode JsPythonTypescript
24 Days Ago
Remote
Seattle, WA
200K-240K Annually
Senior level
200K-240K Annually
Senior level
Digital Media • Kids + Family • Mobile • Software • Sports
The Staff Backend Engineer will lead video pipeline development, enhance live-streaming capabilities, mentor teams, and architect scalable solutions for user-generated content.
Top Skills: AWSC#C++FfmpegGoKotlinNode.jsPythonReactRustSwiftTypescript
24 Days Ago
Remote
Seattle, WA
160K-200K Annually
Senior level
160K-200K Annually
Senior level
Digital Media • Kids + Family • Mobile • Software • Sports
Seeking a Senior Full Stack Software Engineer to enhance our video platform, focusing on live streaming and user-generated content with a collaborative team approach to improve user experience and scalability.
Top Skills: AWSC#C++Ci/Cd ToolsFfmpegGitlabGoJenkinsKotlinNode.jsPythonReactRustSwiftTypescript
24 Days Ago
Remote
Seattle, WA
Mid level
Mid level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Software Engineer, you will develop, test, deploy, and support enterprise software solutions, collaborating with clients and team members.
Top Skills: .Net.Net CoreAsp.NetC#ConfluenceGitlabIisJavaJavaScriptJIRAKubernetesMvcOctopus DeploySQL ServerVisual StudioWeb Api
24 Days Ago
Remote
Seattle, WA
Senior level
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The SDET role involves developing and maintaining automated tests, collaborating with teams to ensure test frameworks are efficient, and leading efforts in CI/CD implementation.
Top Skills: AWSAzureC#CypressDockerGCPJavaJavaScriptJIRAKubernetesPythonRubySeleniumSQL ServerTypescript
6 Days Ago
Seattle, WA
94K-136K Annually
Mid level
94K-136K Annually
Mid level
Aerospace • Information Technology • Cybersecurity • Defense • Manufacturing
The Mid-Level Programmer Analyst will develop software solutions, integrate systems, support Agile processes, and collaborate with stakeholders to enhance EHS applications.
Top Skills: .NetAdo.NetAmazon Web ServicesAsp.Net MvcAzure DevopsC#CSSEnablon NabsicHTMLJavaNlogNunitSoap UiSQLSql Server Management StudioVisual Studio
6 Days Ago
Seattle, WA
90K-185K Annually
Senior level
90K-185K Annually
Senior level
Insurance
As a Senior Backend Software Engineer at GEICO, you will design and build scalable distributed systems, mentor junior engineers, and collaborate on application development in a cloud environment.
Top Skills: AzureC#DockerGoJavaJavaScriptKubernetesPythonSpring BootTypescript
7 Days Ago
Seattle, WA
92K-161K Annually
Senior level
92K-161K Annually
Senior level
Fintech • HR Tech • Insurance • Consulting
The Application Architect will design and implement scalable architecture solutions while mentoring others, conducting code reviews, and ensuring project alignment with strategic goals.
Top Skills: .NetAngularApigeeAWSAzureAzure DevopsBlazorC#DockerGithub ActionsJfrog ArtifactoryKubernetesNoSQLRest ApiSQLTsqlTypescript
7 Days Ago
Seattle, WA
137K-164K Annually
Mid level
137K-164K Annually
Mid level
Fintech • Information Technology • Payments
The Sr. SW Engineer will develop REST APIs, backend batch applications, and front-end interfaces, participating in the project lifecycle and following Agile Scrum methodology.
Top Skills: .Net Web ApiAngular JsC#C#/.Net MvcC++CSSHTML5JavaJava/SpringJavaScriptJs/NodeOauthReactRestful ApisSAMLSass
7 Days Ago
Remote
Seattle, WA
Senior level
Senior level
Insurance
The Staff Engineer will lead engineering efforts in Mobile and Web solutions, focusing on high-quality technology products, mentoring junior staff, and ensuring performance and usability of applications.
Top Skills: AzureC#DartDockerJavaJavaScriptKotlinKubernetesNoSQLPythonSQLTypescript
7 Days Ago
Remote
Seattle, WA
95K-215K Annually
Senior level
95K-215K Annually
Senior level
Insurance
As a Senior Software Engineer, you will design and build scalable systems, engage in cross-functional collaboration, and participate in code reviews to enhance engineering quality.
Top Skills: AzureC#DockerJavaKubernetesNoSQLPythonSQL
9 Days Ago
Remote
Hybrid
Seattle, WA
115K-196K Annually
Senior level
115K-196K Annually
Senior level
Artificial Intelligence • Gaming • Machine Learning • Software • Virtual Reality • Design • Metaverse
As a Senior Automation Engineer on Unity's XR team, you'll maintain automation systems, develop scripts, and ensure high reliability for XR devices across consumer platforms.
Top Skills: AndroidAnsibleAppiumC#C++GitiOSJenkinsLooker StudiomacOSPower BIPythonSeleniumSQLTableauWindows
13 Minutes Ago
Remote
Seattle, WA
Senior level
Senior level
Logistics • Transportation
Seeking a Senior Software Developer with 10+ years of experience in .NET/C# and DevExpress XAF to build prototype applications for logistics and mobility solutions.
Top Skills: .Net.Net CoreAsp.Net CoreBlazorC#CSSDevexpress Expressapp FrameworkHTMLJavaScriptJquery

Top Seattle, WA Companies Hiring C# Developers

See All
The Trade Desk Thumbnail
AdTech
5 Offices
2700 Employees
eBay Thumbnail
Retail • eCommerce
3 Offices
26035 Employees
GEICO Thumbnail
Insurance
Chevy Chase, MD
26259 Employees
Moloco Thumbnail
Retail • Mobile • Machine Learning • Cloud • AdTech
5 Offices
700 Employees
Blue Origin Thumbnail
Aerospace
2 Offices
10001 Employees
DEFCON AI Thumbnail
Transportation • Logistics
Fully Remote
31 Employees
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