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Top C# Jobs in Seattle, WA

3 Hours Ago
Remote
Hybrid
Seattle, WA
135K-225K Annually
Senior level
135K-225K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
CrowdStrike seeks a Senior Software Engineer to develop testing tools and frameworks for their cloud services, ensuring quality and reliability. Responsibilities include verifying functionality, improving automated test coverage, and maintaining test infrastructure.
Top Skills: Aws Ec2Aws S3C#C++CassandraDockerElasticsearchGoJavaJenkinsJSONKafkaKubernetesMemcacheMySQLNode.jsPostgresPythonRedisRestRpcScalaSqlserverXML
Yesterday
Seattle, WA
140K-255K Annually
Senior level
140K-255K Annually
Senior level
Artificial Intelligence • Information Technology • Natural Language Processing • Software • Business Intelligence • Generative AI
The Senior Software Engineer will develop text analytics services utilizing AI, mentor junior engineers, and ensure operational excellence across multiple tech stacks.
Top Skills: AWSC#GoJavaJavaScriptKubernetesMongoDBNode.jsPostgresPythonReactTypescript
Reposted Yesterday
Seattle, WA
180K-225K Annually
Mid level
180K-225K Annually
Mid level
eCommerce • Fintech • Payments • Software • Financial Services
The Senior Software Development Engineer will design and develop software platform services essential for the company's growth while ensuring security and compliance standards are met.
Top Skills: C#C++JavaJavaScriptNoSQLPHPPythonReactSQLTypescript
2 Days Ago
Seattle, WA
101K-198K Annually
Senior level
101K-198K Annually
Senior level
Big Data • Cloud • Software • Database
The Senior Consulting Engineer will support customer implementations, deliver training, ensure client success, and contribute to MongoDB's product development by utilizing their deep technical skills and consulting experience.
Top Skills: C#GoJavaLinuxMongoDBMs Sql ServerNode.jsOraclePostgresPythonRubyWindows
6 Days Ago
Seattle, WA
106K-200K Annually
Junior
106K-200K Annually
Junior
Artificial Intelligence • Information Technology • Natural Language Processing • Software • Business Intelligence • Generative AI
The Machine Learning Engineer I will develop and optimize machine learning models, collaborate with teams to deliver insights, and manage data pipelines at Qualtrics.
Top Skills: Artificial IntelligenceC#JavaMachine LearningPythonPyTorchTensorFlow
7 Days Ago
Hybrid
Seattle, WA
117K-128K Annually
Mid level
117K-128K Annually
Mid level
Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
The role involves developing UI components with React.js, implementing best practices in software development, and optimizing performance across devices. Leadership in UI engineering and collaboration with teams is crucial.
Top Skills: C#CSSEnzymeFluxHTMLJavaJavaScriptNext.JsPythonReactReduxWebpack
An Hour Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
As a Principal Full Stack Software Engineer, you'll design and develop core modules of the elluminate platform, contributing across all phases of software development and collaborating with various teams to enhance product quality and performance.
Top Skills: AngularAsp.Net MvcC#CSSHTMLJavaScriptMicrosoft Sql ServerTypescript
3 Hours Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
164K-226K Annually
Senior level
164K-226K Annually
Senior level
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
The Senior Software Engineer will build and lead web features for Upstart's Small Dollar Loans, mentor engineers, and collaborate on strategy.
Top Skills: C#JavaKotlinNext.JsReactRubyRuby On RailsSpring FrameworkVercel

Featured Jobs

11 Hours Ago
Remote
Seattle, WA
Senior level
Senior level
Information Technology
The Senior Application Developer will design, develop, and maintain applications in Microsoft Azure and M365, manage projects, and ensure compliance with standards while using Agile methodologies.
Top Skills: Azure DevopsC#DevsecopsJavaScriptMicrosoft 365AzurePower PlatformPowershellTypescript
11 Hours Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
Senior level
Senior level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
The Principal Clinical Database Programmer provides technical support and oversight for Medidata Clinical Cloud implementation, handling data management, programming, and project leadership responsibilities.
Top Skills: Business ObjectsC#CognosCrystal ReportsCtmsEproIvrs/IwrsJreviewMedidata Clinical CloudMS OfficeExcelMs ProjectRave Edc
11 Hours Ago
Remote
Hybrid
Seattle, WA
Expert/Leader
Expert/Leader
HR Tech • Information Technology • News + Entertainment • Professional Services • Sales • Software
The Engineering Team Lead will oversee a software engineering team, design scalable web architectures, and lead product development efforts, with a focus on SaaS solutions.
Top Skills: AWSC#JavaScalaTypescript
11 Hours Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
HR Tech • Information Technology • News + Entertainment • Professional Services • Sales • Software
The Backend Engineer will focus on backend development, software design, and scalable architecture, requiring experience in C#, Java, or Scala, and cloud technologies like AWS.
Top Skills: AWSAws GlueC#JavaMySQLPostgresPysparkScala
16 Hours Ago
Remote
Hybrid
Seattle, WA
Mid level
Mid level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
Seeking a Software Engineer for the Personal Lines Insurance team to design, maintain, and test web-based solutions in an Agile environment while emphasizing quality and automation.
Top Skills: .NetApigeeC#CypressDatadogDockerEnvoyGitlabGoHelmIstioJavaScriptJIRAKubernetesNode.jsPostgressqlReactRestsharpSQLTerraformTypescript
19 Hours Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Mid level
Mid level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
The Software Engineer will design and develop core modules for the elluminate platform, involving all software lifecycle phases such as testing and code reviews, while solving complex problems and collaborating with teams.
Top Skills: .Net FrameworkAngularC#CSSHTMLJavaScriptSQL ServerVisual Studio
Reposted Yesterday
Remote
Seattle, WA
130K-190K Annually
Senior level
130K-190K Annually
Senior level
Big Data • Cloud • Gaming • Healthtech • Mobile • Software • App development
The Senior Full Stack Software Engineer role involves designing, developing, and deploying scalable web services, utilizing Angular for the frontend and C# for backend solutions. Responsibilities include optimizing performance, conducting code reviews, and collaborating with cross-functional teams. The role also emphasizes experience with cloud platforms like AWS, Azure, or GCP, and a strong background in modern web development practices.
Top Skills: AngularAsp.NetAWSAzureC#CSSGCPHTMLJavaScriptNode.jsRestful ServicesWebrtcWebsocket
Reposted Yesterday
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
Marketing Tech • Social Media • Software • Analytics • Business Intelligence
As an Engineering Manager, you will lead a team to build and maintain high-quality software systems, drive strategic change, and foster team development while ensuring project delivery and technical sustainability.
Top Skills: C#C++ElasticsearchHbaseJavaMySQLPython
Reposted Yesterday
Remote
Seattle, WA
Mid level
Mid level
Cloud • Enterprise Web • Software
You will design, implement, and maintain the core of a distributed time series database, focusing on scalability and reliability while optimizing system performance.
Top Skills: AWSC#C++GCPGoJavaKubernetesRust
Yesterday
Remote
Hybrid
Seattle, WA
Entry level
Entry level
Digital Media • Fintech • Information Technology • Mobile • Payments • Software • Financial Services
Develop, implement, and support software solutions for Q2's platform, working independently and collaboratively on dynamic projects.
Top Skills: Ai ToolingApi DevelopmentC#SQL
Yesterday
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Digital Media • Fintech • Information Technology • Mobile • Payments • Software • Financial Services
The Staff Software Engineer will develop backend solutions collaboratively, implement digital banking features, and mentor teammates while ensuring security compliance.
Top Skills: .Net CoreAWSC#GitGo
Reposted 2 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
Marketing Tech • Social Media • Software • Analytics • Business Intelligence
Develop and support IAM solutions, lead projects, collaborate on technical roadmaps, and ensure operational excellence in access control systems.
Top Skills: AWSC#C++GCPJavaJwtsOauth 2.0OidcPythonRbacSAML
2 Days Ago
Remote
Seattle, WA
151K-297K Annually
Expert/Leader
151K-297K Annually
Expert/Leader
Big Data • Cloud • Software • Database
Drive the adoption of MongoDB by engaging senior technical leaders at Fortune 1000 companies, conducting education sessions, and contributing to thought leadership.
Top Skills: C#JavaMongoDBPythonRdbms
Reposted 2 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
Marketing Tech • Social Media • Software • Analytics • Business Intelligence
The Staff Software Engineer will lead engineering projects on distributed systems, collaborate with cross-functional teams, and enhance product delivery processes while mentoring peers.
Top Skills: AWSC#C++ElasticsearchGCPJavaOpensearchPython
2 Days Ago
Remote
Seattle, WA
Senior level
Senior level
Agency • Digital Media • eCommerce • Professional Services • Software • Analytics • Consulting
As a Senior Systems Engineer, you will maintain and support server infrastructure, implement ITIL processes, handle incident management, and mentor developers on infrastructure issues.
Top Skills: .NetAmazon Web ServicesAzureC#Content Management SystemsEcommerce PlatformsItilJavaJavaScriptLinuxPHPWindows Powershell
2 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Junior
Junior
Real Estate • Security • Software • Cybersecurity • PropTech
As a QA Engineer, you will test web applications, document defects, collaborate with teams, and improve QA processes, focusing on quality assurance.
Top Skills: C#DevtoolsJavaJIRAMongoDBSQL
Reposted 12 Days Ago
Seattle, WA
250K-375K Annually
Senior level
250K-375K Annually
Senior level
Artificial Intelligence • Digital Media • eCommerce • Marketing Tech • Software
As a Staff Software Engineer, you'll design, develop, and improve scalable applications, mentor other engineers, and collaborate across teams to enhance high-impact products.
Top Skills: AWSAzureC#Ci/CdGCPGoJavaKubernetesPython

Top Seattle, WA Companies Hiring C# Developers

See All
CrowdStrike Thumbnail
Security • Sales • Information Technology • Cybersecurity • Computer Vision • Cloud
25 Offices
10000 Employees
eClinical Solutions Thumbnail
Software • Professional Services • Pharmaceutical • Healthtech • Cloud
2 Offices
Upstart Thumbnail
Software • Social Impact • Machine Learning • Fintech • Artificial Intelligence
Fully Remote
1500 Employees
Applied Systems Thumbnail
Software • Payments • Insurance • Cloud • Big Data Analytics • App development
12 Offices
2857 Employees
HiBob Thumbnail
Software • Sales • Professional Services • News + Entertainment • Information Technology • HR Tech
7 Offices
1000 Employees
Platinum Technologies Thumbnail
Information Technology
2 Offices
36 Employees
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