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Top Senior C# Jobs in Washington, DC

Reposted 2 Days AgoSaved
In-Office
Washington, DC
113K-188K Annually
Senior level
113K-188K Annually
Senior level
Consulting
The Senior Power Apps Developer will implement Microsoft Power Platform solutions, interact with clients, and drive project phases while ensuring high-quality development standards.
Top Skills: .NetC#Microsoft DataverseMicrosoft Dynamics 365Microsoft Power AppsMicrosoft TeamsPower AutomatePower BISharepointSQL
Reposted 2 Days AgoSaved
In-Office
Washington, DC
113K-188K Annually
Senior level
113K-188K Annually
Senior level
Consulting
Design, develop, test, and deploy secure, scalable applications and APIs for DOJ missions. Implement microservices, CI/CD, containerization, and cloud/IaC solutions; harden systems to RMF/STIG/FIPS/FedRAMP standards. Contribute to ATO packages, support production operations and incident response, and collaborate in Agile teams while producing tests and documentation.
Top Skills: .NetAngularAws GovcloudAzure GovernmentC#CloudFormationDjangoDockerExpressFastapiFedrampFips 140-2FlaskGithub ActionsGitlab CiJavaJenkinsKubernetesNestNode.jsOpenshiftOracleOwasp Top 10PostgresPythonReactRmfSpring BootStigTerraformTls/MtlsTypescriptVue
Reposted 2 Days AgoSaved
In-Office
Washington, DC
149K-248K Annually
Senior level
149K-248K Annually
Senior level
Consulting
Serve as a senior SME to architect, design, and modernize secure, scalable DOJ software systems. Lead cloud migrations, CI/CD/DevSecOps, compliance (RMF/STIG/FIPS/FedRAMP), ATO support, observability, and mentor engineering teams while ensuring operational continuity in secure environments.
Top Skills: .NetAuthn/ZAws GovcloudAzure GovernmentC#Ci/CdCloudFormationContainerizationDevsecopsDistributed TracingDjangoEncryptionExpressFastapiFedramp HighFips 140-2FlaskGithub ActionsGitlab CiJavaJenkinsMtlsNestNode.jsObservabilityOracleOwaspPkiPostgresPythonRmfSecrets ManagementSpring BootStigTerraform
Reposted 2 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Consulting
Seeking a Senior IT Developer/Engineer with extensive experience in .NET technologies, Oracle databases and software development lifecycle, to lead design and coding efforts.
Top Skills: Asp.NetC#CSSHTMLJavaScriptOracle 10GOracle 11GTelerik
Reposted 3 Days AgoSaved
In-Office
Washington, DC
87K-198K Annually
Senior level
87K-198K Annually
Senior level
Information Technology
As a Modeling and Simulation Engineer, you will design advanced models, perform quantitative analysis, and support national defense initiatives.
Top Skills: C#C++CudaJavaMatlabMpiOpenclOpenmpPythonR
Reposted 3 Days AgoSaved
Remote or Hybrid
Washington, DC
153K-230K Annually
Senior level
153K-230K Annually
Senior level
AdTech • Artificial Intelligence • Gaming • Machine Learning • Software • Virtual Reality • Metaverse
Own, evolve, and design critical subsystems across the engine stack while implementing high-performance APIs for various configurations. Manage execution timing and resource contention with an emphasis on reliable performance in diverse environments.
Top Skills: C#C++Unity DotsWasm
3 Days AgoSaved
In-Office
Washington, DC
200K-275K Annually
Senior level
200K-275K Annually
Senior level
Cloud
The Senior Solutions Engineer will manage technical relationships with partners, drive revenue growth, deliver training, and contribute to partner success with Okta's Identity solutions.
Top Skills: AndroidAWSAzureC#CSSGCPHTMLIamIdaasiOSJavaJavaScriptLdapNode.jsOauthOauth2OidcOktaPHPPythonRubySAML
Reposted 3 Days AgoSaved
In-Office or Remote
Washington, DC
155K-165K Annually
Senior level
155K-165K Annually
Senior level
eCommerce
The Senior Software Engineer leads software development, manages projects, mentors developers, and collaborates on software design and testing using Agile methodologies.
Top Skills: .Net CoreAsp.Net Web ApiAzureC#CosmosdbGitGrpcKubernetesMs Sql Server 2016+ReactT-Sql
Reposted 3 Days AgoSaved
Easy Apply
In-Office or Remote
Washington, DC
Easy Apply
150K-185K Annually
Senior level
150K-185K Annually
Senior level
Financial Services
The role involves full-stack development on financial technology solutions, focusing on user-facing applications, internal tools, and data pipelines, requiring collaboration across teams.
Top Skills: .NetAWSC#ConfluentDockerFastapiGithub ActionsKafkaKubernetesPostgresPythonReactSalesforceTanstackTerraformTypescript
Reposted 4 Days AgoSaved
In-Office
Washington, DC
130K-216K Annually
Senior level
130K-216K Annually
Senior level
Consulting
The Lead Power Platform Developer/Architect will design scalable Power Apps solutions, lead technical teams, conduct architecture reviews, and ensure alignment with business objectives.
Top Skills: .NetC#Crm PluginsCrm SdkD365Dynamics 365AzurePower AppsPower AutomatePower BIPower PlatformSharepointSQL
Reposted 4 Days AgoSaved
Hybrid
Washington, DC
136K-253K Annually
Senior level
136K-253K Annually
Senior level
Information Technology
The Lead Software Engineer will develop scalable services and APIs, collaborate with teams, and ensure high security and performance standards.
Top Skills: .NetAi Productivity ToolsAngularAsp.NetAWSC#Ci/CdDockerEcsGitJavaScriptKubernetes
Reposted 4 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Information Technology • Software
The Senior Applications Developer will design and implement software solutions, particularly using Angular, while ensuring quality and timely delivery of projects. Requires extensive software development experience and collaboration across teams.
Top Skills: .NetAmqpAngularC#JavaScriptJSONMqNode.jsNpmRestSharepointSoapXML
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Reposted 4 Days AgoSaved
In-Office
Washington, DC
140K-175K Annually
Senior level
140K-175K Annually
Senior level
Information Technology
Lead the development of web applications, guiding feature development from design to production, while mentoring a small Agile team and driving modernization initiatives.
Top Skills: Asp.NetAWSAzureC#Ci/CdGCPMicrosoft .NetMs Sql ServerPlaywrightRestful Apis
Reposted 5 Days AgoSaved
In-Office
Washington, DC
130K-216K Annually
Senior level
130K-216K Annually
Senior level
Consulting
The role involves leading SharePoint Online administration, governance strategy, and Microsoft Power Platform implementations while ensuring compliance and operational standards in a hybrid environment.
Top Skills: .NetC#DataverseMicrosoft 365Power AppsPower AutomateSharepoint OnlineSQL
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The .Net Developer will build software applications, collaborate with team members, document technical specifications, and resolve software issues.
Top Skills: .NetAsp.Net MvcC#LinqSQL
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The .Net Developer will design, develop, and maintain software applications, lead initiatives, document requirements, and resolve software issues.
Top Skills: .Net Core.Net FrameworkAsp.NetC#JavaScriptSitecoreSitefinitySQL ServerTransact Sql
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
Develop and implement a modern web information portal using front-end technologies, ensuring compliance with UX and 508 standards. Collaborate with stakeholders and integrate systems while managing project timelines and quality.
Top Skills: .NetAmqpAngularjsAsp.Net MvcBootstrapC#CSS3HTML5JavaScriptJqueryJSONNode.jsNpmRestSharepointSoapXML
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The .Net Developer will support business functions by developing, implementing, and maintaining applications, collaborating in a Scrum Team, and ensuring software meets specifications.
Top Skills: .Net FrameworkAsp.NetC#Classic AspCSSEntity FrameworkJavaScriptJqueryMvcSharepointSQL ServerT-SqlWebservicesWindows Workflow FoundationXhtmlXML
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The Sr. .NET Developer will support business functions by developing, implementing, and maintaining application systems, focusing on BI tools and Web APIs.
Top Skills: .NetBi ToolsC#Microsoft Visual Studio 2010Team Foundation ServicesWeb Apis
Reposted 9 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The Oracle PL/SQL Developer will provide infrastructure and back-end support, perform application testing and installation, and support user community by resolving database issues and performing UNIX administration functions.
Top Skills: Asp.NetBusiness ObjectsC#Crystal Reports XiMicrosoft Visual StudioOracle DatabaseOracle Pl/SqlVb.Net
Reposted 9 Days AgoSaved
In-Office
Washington, DC
117K-177K Annually
Senior level
117K-177K Annually
Senior level
Cloud • Information Technology • Software • Business Intelligence
Senior .NET Full Stack Developer responsible for designing, developing, testing, and enhancing enterprise .NET applications, integrating third‑party components, optimizing C#/ASP.NET code, automating operational workflows, and supporting large‑scale data processing and analytics. Works with lead architects across the SDLC and conducts architecture reviews, code reviews, and knowledge transfer.
Top Skills: .Net.Net CoreAsp.NetAsp.Net MvcAzure DevopsC#Ci/CdContainerizationCSS3DapperEntity FrameworkGitGitlabHTML5JavaScriptRestful ApisSQL Server
Reposted 9 Days AgoSaved
In-Office
Washington, DC
117K-177K Annually
Senior level
117K-177K Annually
Senior level
Cloud • Information Technology • Software • Business Intelligence
Design, develop, and modernize enterprise web applications using .NET/ASP.NET/C#, SQL Server, and modern front-end technologies. Perform testing, troubleshooting, performance tuning, collaborate with cross-functional teams, and support secure, mission-critical government systems.
Top Skills: .NetAsp.NetC#CSS3DapperEntity Framework (Ef)HTML5JavaScriptMicrosoft Sql ServerMvcRest Api
Reposted 10 Days AgoSaved
In-Office
Washington, DC
Senior level
Senior level
Information Technology • Software
The Sailpoint Consultant will maintain and support SailPoint IIQ infrastructure, troubleshoot issues, develop scripts, and assist project teams with identity and access solutions.
Top Skills: BashC#C++JbossLinuxOracle DatabasesPythonSailpoint IiqSQLWindows
Reposted 12 Days AgoSaved
In-Office
Washington, DC
113K-188K Annually
Senior level
113K-188K Annually
Senior level
Consulting
The role involves developing solutions using Microsoft Power Platform, implementing projects, providing technical expertise, and delivering client training support.
Top Skills: .NetC#Microsoft DataverseMicrosoft Dynamics 365Microsoft Power AppsMicrosoft TeamsPower AutomatePower BISharepointSQL
Reposted 14 Days AgoSaved
In-Office
Washington, DC
130K-150K Annually
Senior level
130K-150K Annually
Senior level
Legal Tech
The Senior Financial Integration Developer will monitor financial data accuracy, improve processes, collaborate on integrations, and support users in the financial system.
Top Skills: C#AzureMicrosoft FabricMS OfficeMicrosoft Sql ServerPythonRestful ApisSoapVb.NetXMLXpathXslt
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