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C# Developer Salary in Seattle 2026
How much does a C# developer expect to make at Seattle-based startups? The average expected salary for C# developers in Seattle-based startups is 163k per year, with a range from 123k to 230k. These amounts were gathered from Wellfound self-reported data and represent the median salary range. The salary range for C# developers in Seattle startups varies depending on factors such as industry, experience, and startup stage.
162.5k
Average Salary
4 years
Average years of experience
Salary
The average salary for a C# developer in Seattle is$162,500, which is 16.8% higher than the average Seattle startup salary of $139,125. C# developer salaries in Seattle are based on exclusive Wellfound data. All data is updated on a weekly basis. Factors that may influence salary include: years of experience, title, size of company, skill-set, and industry.
Top of market
$224,100/yr
Range $217k - $230k
Average
$162,500/yr
Range $155k - $169k
Below Average
$142,900/yr
Range $123k - $169k
Industries
The highest average salary a C# developer in Seattle can get in Search, that is $253,500. This pay is 14.2% higher than the average C# developer salary, which is $221,950. The highest-paying industries in 2023 are: Search (avg $253,500 per year), Maps (avg $253,500 per year), Email (avg $253,500 per year).
Tech Stack
Top Tech Stacks
The top-paying developer skills of 2026 are:
1. Electron
$255k
2. SOLR
$239.5k
3. Neo4J
$231.5k
4. ElasticSearch
$210k
5. Xcode
$209.5k
6. WebGL
$208.5k
7. Flutter
$207.5k
8. Keras
$205k
9. scikit-learn
$205k
10. Rabbitmq
$202k
Years of experience
Below Average
Average
Top of Market
The highest average salary C# developer in Seattle can get with 10+ years of experience, that is $190,000. This pay is 36.6% higher than the average salary in Seattle startups, which is $139,125. The salary range varies with years of experience and depends on other factors such as skill set, size of company, and industry.
Popular roles in Seattle
Software EngineerMobile DeveloperAndroid DeveloperiOS DeveloperFrontend EngineerBackend EngineerFull-Stack EngineerSoftware ArchitectMachine Learning EngineerEmbedded EngineerData EngineerDevOpsEngineering ManagerQA EngineerData ScientistDesignerUI/UX DesignerUser ResearcherVisual DesignerCreative DirectorGraphic Designer Product DesignerProduct ManagerOperationsFinance/AccountingH.R.Office ManagerRecruiterCustomer ServiceOperations ManagerSalesBusiness DevelopmentSales Development RepresentativeAccount ExecutiveBD ManagerAccount ManagerSales ManagerCustomer Success ManagerMarketingGrowth HackerMarketing ManagerContent CreatorCopywriterSocial Media ManagerManagementCEOCFOCMOCOOCTOOther EngineeringHardware EngineerMechanical EngineerSystems EngineerOtherBusiness AnalystProject ManagerAttorneyData AnalystInvestorLimited PartnerStrategic InvestorInstitutional InvestorVenture DebtVCSeed FundIndividual InvestorAngelFounder
Popular skills in Seattle
PythonC++JavaJavascript.NETMachine LearningSQLC#DjangoMySQLAndroidMongoDBNode.jsRubyRedisRPostgreSQLCPerlScalaSeleniumFlaskAutocadDynamoDBRuby on RailsAzureBootstrapSplunkKafkaTypeScriptSparkObjective-Cscikit-learnDeep LearningDockerRustKotlinSwiftElasticSearchSolidityAWSreactKubernetesReact NativeRESTful APIsGraphQLPysparkPrometheusGoAirflowGCPPyTorch