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Top C# Jobs in Seattle, WA

Reposted 19 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
118K-231K Annually
Senior level
118K-231K Annually
Senior level
Big Data • Cloud • Software • Database
The Senior Software Engineer will design, build, and deliver core IAM components while leading UI/UX development and mentoring team members.
Top Skills: C#C++GoJavaJavaScriptReactReduxTypescript
Reposted 19 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
151K-297K Annually
Expert/Leader
151K-297K Annually
Expert/Leader
Big Data • Cloud • Software • Database
The Principal Technologist will drive MongoDB adoption among strategic customers, engaging with executives, providing technical expertise, and influencing product direction.
Top Skills: C#JavaMongoDBPythonRdbms
Yesterday
Seattle, WA
72K-130K Annually
Mid level
72K-130K Annually
Mid level
Other • Utilities
The SDET develops and maintains test automation processes, participates in the full development lifecycle, and ensures quality through automated testing.
Top Skills: AppiumC#CucumberJasmineJavaJavaScriptPostmanProtractorRest AssuredSauce LabsSeleniumTestngUnixWindows
Yesterday
Seattle, WA
143K-208K
Senior level
143K-208K
Senior level
Fintech • Information Technology • Payments
As a Software Engineer at Visa, you'll design, build, and maintain scalable software solutions for payment technologies while collaborating with cross-functional teams.
Top Skills: AngularC#C++CSSDockerHTMLJavaJavaScriptKubernetesMicrosoft Power PlatformPHPPythonReact
Reposted Yesterday
Hybrid
Seattle, WA
130K-170K Annually
Senior level
130K-170K Annually
Senior level
Information Technology • Consulting
The Application Architect leads the technical delivery of projects, designs solution architecture, manages project expectations, and mentors developers. They work with Microsoft technologies and focus on cloud-based solutions.
Top Skills: C#Cloud-Based SolutionsAzurePaasSaaSSQL
Reposted Yesterday
Seattle, WA
190K-254K Annually
Senior level
190K-254K Annually
Senior level
eCommerce • Retail
Design and implement software projects in a fast-paced environment, focusing on high-quality code for a large-scale eCommerce platform, collaborating with multi-functional teams, and tracking business impact.
Top Skills: C#JavaPython
2 Days Ago
Seattle, WA
135K-205K
Mid level
135K-205K
Mid level
eCommerce • Software • Analytics • Business Intelligence • Consulting
Design and implement software solutions, enhance performance, mentor junior engineers, troubleshoot software issues, and optimize data processes in a competitive market.
Top Skills: AWSC#DynamoElastic SearchGoJavaMongodbMySQLNode.jsPostgresPuppeteerPythonRedshiftSeleniumSQLTypescript
Reposted 2 Days Ago
Remote
Seattle, WA
115K-230K Annually
Senior level
115K-230K Annually
Senior level
Insurance
The Staff Engineer will lead engineering teams, optimize high-performance applications, and ensure quality standards in a fast-paced environment, mentoring junior members.
Top Skills: Active DirectoryAzure DevopsC#DockerKubernetesNoSQLOauthPythonSAMLSQL

Featured Jobs

Reposted 2 Days Ago
Seattle, WA
192K-240K
Senior level
192K-240K
Senior level
Healthtech
The role involves building large-scale data processing platforms, collaborating with teams, mentoring junior developers, and optimizing performance of data pipelines.
Top Skills: AWSAzureBigQueryC#GCPJavaKubernetesPower BIPythonRedshiftSparkSynapse
Reposted 3 Days Ago
Seattle, WA
100K-135K
Junior
100K-135K
Junior
Aerospace • Other
Design and implement automation systems for satellite production, including programming PLCs, creating vision systems, and enhancing manufacturing efficiency.
Top Skills: .NetBeckhoff TwincatC#EthercatEthernet/IpHmiMachine VisionModbus Tcp/RtuPlcProfinetPythonRoboticsScadaSQL
Reposted 3 Days Ago
Seattle, WA
115K-169K Annually
Senior level
115K-169K Annually
Senior level
Gaming • Metaverse
As a Quality Engineering Specialist, you'll drive QA process improvements, manage programs, and enhance automation across the Fortnite ecosystem, ensuring high quality and alignment across teams.
Top Skills: C#C++JavaPython
Reposted 3 Days Ago
Remote
Seattle, WA
115K-230K Annually
Senior level
115K-230K Annually
Senior level
Insurance
Lead the development of a data exchange platform, collaborate across teams, and ensure quality and reliability of solutions. Mentor engineers and influence product roadmaps.
Top Skills: AnsibleAWSAzureC#C++CircleCIGCPGitJavaJenkinsPythonTerraform
Reposted 3 Days Ago
Remote
Hybrid
Seattle, WA
129K-157K Annually
Mid level
129K-157K Annually
Mid level
Gaming
Bungie seeks a Software Engineer in Test for automated testing in game server infrastructure. Responsibilities include enhancing testing pipelines and collaborating on architecture design.
Top Skills: AWSC#DockerKubernetesLinuxNbomberOctopusTeamcity
Reposted 22 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
213K-295K Annually
Expert/Leader
213K-295K Annually
Expert/Leader
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Distinguished Engineer, you will drive technical excellence in Upstart's Pricing team, optimizing loan offer systems using AI and ML, guiding architectural evolution, and mentoring other engineers.
Top Skills: AIAWSC#C++DockerGrpcJavaKafkaKubernetesMachine LearningPython
4 Days Ago
Seattle, WA
240K-300K
Senior level
240K-300K
Senior level
Software
The Staff Solutions Architect guides prospects in understanding the suitability of their applications for Temporal's platform, showcases technical advantages, and manages relationships with customer engineering teams and decision-makers.
Top Skills: C#GoJavaPHPPythonTypescript
Reposted 4 Days Ago
Hybrid
Seattle, WA
160K-210K Annually
Senior level
160K-210K Annually
Senior level
Artificial Intelligence • Marketing Tech
Design and develop scalable systems for big data processing, mentor junior engineers, and implement best engineering practices.
Top Skills: Apache FlinkSparkAWSAzureC#GCPJavaPythonScala
5 Days Ago
Seattle, WA
152K-221K
Senior level
152K-221K
Senior level
Fintech • Information Technology • Payments
Lead a team to develop high-quality software solutions for Visa clients, focusing on mobile payment technologies and application features.
Top Skills: AndroidAngularC#C++DockerFlutteriOSJavaKubernetesReact
5 Days Ago
Seattle, WA
106K-150K
Mid level
106K-150K
Mid level
Fintech • Information Technology • Payments
As a Senior Software Engineer at Visa, you will design, build, and test software products for global payment solutions, collaborating across multifunctional teams to enhance user experience with robust and scalable services.
Top Skills: AngularAutogenAWSAzureC#C++DockerFaissGCPGenai TechnologiesHTMLJavaJaxKubernetesLangchainLanggraphPineconePythonPyTorchReactTensorFlowVector Databases
Reposted 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
Reposted 5 Days Ago
Hybrid
Seattle, WA
176K-220K
Senior level
176K-220K
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
Reposted 5 Days Ago
Hybrid
Seattle, WA
184K-230K Annually
Senior level
184K-230K 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
Reposted 24 Days Ago
Remote
Hybrid
Seattle, WA
91K-169K Annually
Junior
91K-169K Annually
Junior
Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy
The Software Engineer II role involves maintaining microservices for a SaaS product, driving code quality, collaborating in an agile environment, and troubleshooting customer issues. The engineer will adopt testing frameworks, monitor application performance, and participate in the OnCall process, all while focusing on continuous improvement in a collaborative team setting.
Top Skills: AWSC#EksGoGrafanaJavaKafkaNoSQLPrometheusRedisSQL
6 Days Ago
Remote
Seattle, WA
128K-217K Annually
Senior level
128K-217K Annually
Senior level
Gaming
The Senior Tools Engineer will drive tools and workflow development, ensuring productivity and efficiency for the team using the Unreal Engine. Responsibilities include mentoring, communication across disciplines, and advocating for best practices in development. Emphasis on supporting team members and improving workflows is crucial.
Top Skills: C#C++PythonSlateUmgUnreal Engine
6 Days Ago
Seattle, WA
160K-220K
Senior level
160K-220K
Senior level
Aerospace • Other
Develop and maintain reliable web applications and data pipelines for Starlink operations, focusing on frontend and backend development, monitoring, and automation.
Top Skills: .NetC#CockroachdbCSSDockerFlinkHTMLJavaJavaScriptKafkaKubernetesPostgresPythonRabbitMQSpark StreamingTypescript
6 Days Ago
Remote
Hybrid
Seattle, WA
189K-223K Annually
Senior level
189K-223K Annually
Senior level
Gaming
Lead the economy design for Marathon, manage engineering talent, and collaborate with creative teams to enhance player experiences.
Top Skills: C#C++KubernetesMongoDB

Top Seattle, WA Companies Hiring C# Developers

See All
Stackline Thumbnail
Software • eCommerce • Consulting • Business Intelligence • Analytics
4 Offices
248 Employees
Visa Inc, Thumbnail
Payments • Information Technology • Fintech
9 Offices
26500 Employees
eBay Thumbnail
Retail • eCommerce
3 Offices
26035 Employees
GEICO Thumbnail
Insurance
Chevy Chase, MD
26259 Employees
T-Mobile Thumbnail
Utilities • Other
4 Offices
89016 Employees
Reply Thumbnail
Information Technology • Consulting
5 Offices
4171 Employees
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