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Top C# Jobs in Seattle, WA

3 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
4 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
Reposted 9 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
9 Days Ago
Hybrid
Seattle, WA
Senior level
Senior level
Consumer Web • eCommerce • Information Technology • Retail • Software • Analytics • App development
The Sr. Software Engineer leads the development of 3D tools and environments for retail, employing game engines and designing optimized 3D solutions. Responsibilities include algorithm prototyping, procedural generation, and collaborating with cross-functional teams.
Top Skills: C#C++GdscriptGodotOmniverseReality Composer ProUnityUnreal
2 Days Ago
Remote
Hybrid
Seattle, WA
155K-270K Annually
Senior level
155K-270K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The role involves designing and developing cloud-native microservices for a Next-Gen SIEM platform, leading complex projects, mentoring junior engineers, and ensuring software engineering best practices.
Top Skills: C#DockerGoGrafanaJavaKafkaKubernetesOpensearchPostgresPythonRedis
11 Days 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
11 Days Ago
Seattle, WA
Senior level
Senior level
Cloud • Information Technology • Machine Learning
This role involves developing and scaling AI-enabled software services, building intuitive data exploration tools, and ensuring platform reliability through best practices.
Top Skills: C#C++FastapiGoGrpcHelmJavaKafkaKestrelKubernetesNextPythonRayReactSparkTypescript
2 Days Ago
Remote
Hybrid
Seattle, WA
155K-255K Annually
Senior level
155K-255K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Develop cloud-native microservices for Next-Gen SIEM, driving projects from design to implementation in a high-volume environment. Mentor junior engineers and optimize systems for performance.
Top Skills: AWSC#DockerGoGrafanaJavaKafkaKubernetesOpensearchPostgresPythonRedis

Featured Jobs

2 Days Ago
Remote
Seattle, WA
200K-250K Annually
Mid level
200K-250K Annually
Mid level
Cloud • Enterprise Web • Software
Design and implement enhancements for a telemetry collection and ingestion pipeline, focusing on high scalability and system reliability, while mentoring peers in software quality practices.
Top Skills: C#C++GCPGoJavaKubernetesRust
12 Days Ago
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
3 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Mid level
Mid level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
The Senior Software Engineer will design and develop core modules for the elluminate platform, focusing on web applications, scalability, and code optimization while collaborating with teams and providing technical support.
Top Skills: AngularAsp.Net MvcAWSC#CSSHTMLJavaScriptSQL Server
3 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
Manage and optimize SQL Server databases for a clinical data platform, collaborating with software engineers to support data architectures and integrations.
Top Skills: AngularAsp.Net MvcC#CSSHTMLJavaScriptSQL ServerTypescript
Reposted 13 Days Ago
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
5 Days Ago
Remote
Hybrid
Seattle, WA
85K-115K Annually
Junior
85K-115K Annually
Junior
Real Estate
The Junior Quantitative Developer will analyze investment data and improve financial models, primarily using C# and SQL for data manipulation and efficiency enhancements in valuation processes.
Top Skills: .Net CoreAzure Data FactoryC#ExcelMicrosoft SqlSnowflakeSQLT-Sql
Reposted 6 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
139K-187K Annually
Senior level
139K-187K Annually
Senior level
Fitness • Hardware • Healthtech • Retail • Software
The Senior Software Engineer at Peloton will develop and maintain APIs and microservices for music-related features, collaborating with cross-functional teams and leading technical discussions.
Top Skills: .NetAgileAWSC#Ci/CdDevOpsDockerKubernetesLambdaMicroservicesMongoDBNservicebusRabbitMQReactS3SQLSqsVue
8 Days Ago
Remote
Hybrid
Seattle, WA
170K-210K Annually
Senior level
170K-210K Annually
Senior level
Cloud • Edtech • Information Technology • Software
The Principal Software Engineer in IAM will design and maintain authentication services, optimize dev processes, and lead teams for high quality software delivery.
Top Skills: AWSC#DockerJavaScriptJIRAKubernetesOpsgeniePostgresSQLTypescript
9 Days Ago
Remote
Seattle, WA
132K-198K Annually
Senior level
132K-198K Annually
Senior level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
Lead software development efforts for mission-critical capabilities, solve technical challenges, and ensure seamless product integration while maintaining a focus on user needs and quality.
Top Skills: AIC#C/C++Computer VisionGoNetworkingSensor Fusion
10 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Legal Tech • Professional Services • Software • Business Intelligence • Consulting
Lead a team of developers in building and optimizing web applications for legal professionals. Collaborate cross-functionally to deliver innovative solutions and manage complex technical challenges, focusing on secure API development and infrastructure-as-code practices.
Top Skills: AIAngularAWSAzureC#CloudFormationCSSGCPHTMLJavaJavaScriptNode.jsNoSQLNxOauthOidcPostgresPythonReactRestful ApisSAMLSQLTerraformTypescript
10 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Senior Software Engineer will design, implement, and maintain software solutions while ensuring high quality and performance. Responsibilities include coding, testing, debugging, and providing technical leadership.
Top Skills: .Net CoreAngular 2+Asp.NetAWSAzureBashC#JavaScriptPowershellSQLTypescript
10 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Full Stack Developer, you will work in an Agile Scrum team to develop and enhance the Applied Epic software leveraging C#, .NET, React, and SQL Server, while also mentoring junior developers.
Top Skills: .Net 5/6AgileAngularC#CypressGitlabGoKubernetesReactSQL ServerTypescriptVisual Studio
10 Days Ago
Remote
Seattle, WA
200K-250K Annually
Mid level
200K-250K Annually
Mid level
Cloud • Enterprise Web • Software
You will design and improve core product features in Go, own complex project features, and collaborate with cross-functional teams to enhance product development and team mentorship.
Top Skills: AWSC#C++GCPGoInfluxdbJavaKubernetesPostgresRust
11 Days 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
11 Days Ago
Remote
Hybrid
Seattle, WA
Mid level
Mid level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Software Engineer, you will develop and enhance enterprise software using C#, React, and TypeScript within an Agile team, collaborating to deliver technical solutions that meet client needs.
Top Skills: .Net 5/6AgileAngularC#ConfluenceCypressGitlabGoJIRAKubernetesReactSQL ServerTypescriptVisual Studio
11 Days 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
Reposted 12 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
Senior level
Senior level
AdTech • Big Data • Information Technology • Marketing Tech • Sales • Software
The Software Engineer V will lead the design and development of scalable microservices, mentor engineers, and ensure operational excellence in a cloud-native environment.
Top Skills: .Net CoreBigQueryC#CloudsqlGCPKubernetesMicroservicesSQL

Top Seattle, WA Companies Hiring C# Developers

See All
CrowdStrike Thumbnail
Security • Sales • Information Technology • Cybersecurity • Computer Vision • Cloud
25 Offices
10000 Employees
Qualtrics Thumbnail
Software • Natural Language Processing • Information Technology • Generative AI • Business Intelligence • Artificial Intelligence
33 Offices
5000 Employees
Revantage, a Blackstone Portfolio Company Thumbnail
Real Estate
2 Offices
442 Employees
eClinical Solutions Thumbnail
Software • Professional Services • Pharmaceutical • Healthtech • Cloud
2 Offices
ZS Thumbnail
Professional Services • Healthtech • Consulting • Artificial Intelligence • Analytics
36 Offices
13000 Employees
Chronosphere Thumbnail
Software • Enterprise Web • Cloud
Fully Remote
299 Employees
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