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Top C# Jobs in Seattle, WA

Reposted 18 Days Ago
Remote
Seattle, WA
200K-250K Annually
Mid level
200K-250K Annually
Mid level
Cloud • Enterprise Web • Software
The role involves designing and implementing improvements to Chronosphere’s Telemetry Pipelines, owning complex features, collaborating with teams, and contributing to the Fluent Bit OSS community.
Top Skills: CC#C++Fluent BitGoJavaRust
19 Days Ago
Remote
Seattle, WA
125K-170K Annually
Mid level
125K-170K Annually
Mid level
Real Estate
The Quantitative Developer will analyze investment data and complex financial models, improve Excel workflows, and write C# code for data integration and web applications.
Top Skills: .Net CoreAzure Data FactoryC#ExcelOracle SqlSnowflake SqlSQLT-Sql
14 Hours Ago
Hybrid
Seattle, WA
135K-168K Annually
Junior
135K-168K Annually
Junior
AdTech • Cloud • Machine Learning • Mobile • Retail
The Software Engineer will develop backend infrastructure for Moloco's Machine Learning Advertising platform, enhancing ad performance and integrating technologies.
Top Skills: AWSAzureC#C++GCPGoJavaKotlin
14 Hours Ago
Remote
Seattle, WA
80K-215K Annually
Senior level
80K-215K Annually
Senior level
Insurance
As a Senior Java Engineer, you will design and build scalable systems, collaborate across teams, lead code reviews, and mentor peers while utilizing AI/ML to optimize operations.
Top Skills: AIAWSAzureC#C++DevOpsGCPJavaMlPython
19 Days Ago
Remote
Seattle, WA
118K-231K Annually
Senior level
118K-231K Annually
Senior level
Big Data • Cloud • Software • Database
Design and deliver core components for IAM, mentor team members, and lead complex technical projects while enhancing the user experience for MongoDB Atlas customers.
Top Skills: C#C++GoJavaJavaScriptReactReduxTypescript
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
Yesterday
Hybrid
Seattle, WA
140K-165K Annually
Senior level
140K-165K Annually
Senior level
Information Technology • Consulting
Lead a team of software engineers to design, develop, and deliver software solutions, overseeing the development lifecycle and mentoring team members.
Top Skills: .NetAdoAngularAzureC#Devops ToolsDockerDynamoDBGitKubernetesMongoDBMySQLReactSQL
Yesterday
Seattle, WA
Senior level
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

Featured Jobs

Yesterday
Hybrid
Seattle, WA
Expert/Leader
Expert/Leader
Machine Learning • Productivity • Sales • Software
The Software Engineering Manager will lead teams to secure customer data access, design governance solutions, and manage engineering efforts to meet customer needs.
Top Skills: C#C++Cloud InfrastructureGoJavaMicroservices ArchitectureRuby
Reposted Yesterday
Seattle, WA
190K-254K Annually
Expert/Leader
190K-254K Annually
Expert/Leader
eCommerce • Retail
The Staff Software Engineer will design and implement scalable backend web services, address engineering challenges, and collaborate across teams to deliver solutions.
Top Skills: AngularC#DevOpsJavaPythonReactSpring Boot
2 Days Ago
Seattle, WA
68K-122K Annually
Mid level
68K-122K Annually
Mid level
Information Technology • Software
The Software Engineer will develop autonomy software for uncrewed underwater vehicles, participate in Agile teams, and handle software designs and testing.
Top Skills: AgileBitbucketC#C++ConfluenceDockerGoogle Protocol BuffersJavaJIRALinuxPythonRosRustSconsVMwareVscode
2 Days Ago
Remote
Seattle, WA
Mid level
Mid level
Consulting
The AI and Cloud Developer role involves designing AI-powered agents, developing machine learning models, collaborating with teams, and automating business processes using Microsoft technologies.
Top Skills: Azure AiAzure Bot ServicesAzure Machine LearningC#Cognitive ServicesPower AutomatePower FxPython
21 Days Ago
Remote
Seattle, WA
125K-155K Annually
Mid level
125K-155K Annually
Mid level
Fintech • Insurance • Machine Learning • Other • Analytics • Automation
The Software Engineer role involves writing efficient code, participating in code reviews, collaborating with teams, and improving system stability. Engineers are expected to be proficient in TypeScript, AWS technologies, and CI/CD practices, with a focus on delivering high-quality, scalable applications.
Top Skills: AWSAws CdkC#Ci/CdGitTypescript
21 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
2 Days Ago
Seattle, WA
126K-335K Annually
Mid level
126K-335K Annually
Mid level
Cloud • Software
As a Full-Stack Software Engineer, you will architect, design, and deliver scalable products, mentor others, and develop testing strategies while participating in an on-call rotation.
Top Skills: C#C++ExpressHapiJavaJavaScriptJsunitJunitNode.jsPl/SqlPythonRubySeleniumSQL
2 Days Ago
Seattle, WA
Senior level
Senior level
Fintech • Information Technology • Payments
Responsible for designing, developing, and testing scalable software solutions. Collaborating with cross-functional teams to enhance products for global payment systems.
Top Skills: .Net CoreAngularC#C++ChefDockerGitJavaJenkinsJSONKubernetesNoSQLNugetPostgresReactRestSonarSQL ServerXunit
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
3 Days Ago
Seattle, WA
Junior
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
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
3 Days Ago
Seattle, WA
231K-384K Annually
Senior level
231K-384K Annually
Senior level
Cloud • Software
The Software Engineering Architect will design complex software systems across cloud platforms, ensuring security, scalability, and guiding engineering teams on software practices.
Top Skills: AWSAzureC#Ci/CdDockerGoGCPJavaKubernetesNoSQLPythonSQL
Reposted 3 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
3 Days Ago
Seattle, WA
121K-177K Annually
Senior level
121K-177K Annually
Senior level
Consumer Web • Information Technology
The Technical Architect will build software applications, maintain strategic understanding of goals, and lead software solutions design using Azure and .NET technologies.
Top Skills: .Net CoreAksAngularC#DockerHelmAzureReactSQL
4 Days Ago
Seattle, WA
126K-335K Annually
Mid level
126K-335K Annually
Mid level
Cloud • Software
The role involves backend application development, designing and implementing APIs, and managing large data sets in the cloud. Collaboration in an Agile environment is emphasized, along with test-driven development practices.
Top Skills: AlibabaAWSAzureC#C++GCPGoGrpcHTTPJavaJavaScriptJSONNode.jsPythonRestRubyScalaSoapSpringWsdlXML
23 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
186K-258K Annually
Expert/Leader
186K-258K Annually
Expert/Leader
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Principal Software Engineer, lead the Auto team in developing and optimizing a loan marketplace using machine learning and scalable architecture, while mentoring technical leaders.
Top Skills: AWSC#C++DockerJavaKubernetesPython
4 Days Ago
Seattle, WA
115K-207K Annually
Senior level
115K-207K Annually
Senior level
Other • Utilities
The Systems Reliability Engineer will improve T-Mobile's IT services through automation, strategy, team leadership, and innovative technologies in testing and cloud solutions.
Top Skills: AIAnsibleAppdynamicsCC#ChefCi/CdDockerGoJavaScriptKubernetesPerlPortmanPostmanPuppetPythonSplunkTosca

Top Seattle, WA Companies Hiring C# Developers

See All
Outreach Thumbnail
Software • Sales • Productivity • Machine Learning
Seattle, WA
1155 Employees
eBay Thumbnail
Retail • eCommerce
3 Offices
26035 Employees
GEICO Thumbnail
Insurance
Chevy Chase, MD
26259 Employees
Truveta Thumbnail
Healthtech
Bellevue, WA
333 Employees
Moloco Thumbnail
Retail • Mobile • Machine Learning • Cloud • AdTech
5 Offices
700 Employees
Reply Thumbnail
Information Technology • Consulting
5 Offices
4171 Employees
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