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Top Remote C# Jobs in Washington, DC
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Own platform feature and API development, integrations, and deployments. Design, build, and maintain backend-focused full-stack features, collaborate with product and design, perform code reviews, troubleshoot, and work with cloud infrastructure and CI/CD pipelines to scale the marketplace.
Top Skills:
.NetAi Code GenerationAi Workflows AutomationAPIsAWSAzureC#CSSGCPGithub ActionsJavaScriptMySQLPostgresReactTerraformTypescript
Gaming • Mobile
Lead fullstack technical work connecting Python/Django backend services with Unity (C#) client, drive technical roadmap, own live-ops reliability and incident management, mentor cross-functional teams, deliver scalable features, and reduce technical debt for a live-service mobile/PC game.
Top Skills:
AWSC#Ci/CdContainerizationDjangoFlatbuffersJSONPythonUnity
Insurance
Lead design and implement scalable backend systems using Node.js, build RESTful APIs, design SQL schemas, optimize performance, mentor engineers, deploy on Azure, and maintain CI/CD, security, and observability.
Top Skills:
.Net CoreAzure AdAzure Api ManagementAzure App ServiceAzure Application InsightsAzure Blob StorageAzure Container InstancesAzure DevopsAzure FunctionsAzure Kubernetes ServiceAzure Sql DatabaseBullmqC#DockerExpo Sdk 54Express.JsFastifyGitGithub ActionsGraphQLJestJwtMochaMySQLNestjsNext.Js 15Node.Js 20OauthOpenapi/SwaggerPostgresPrismaReact 19React Native 0.80RedisSentrySequelizeSQL ServerSupertestTrpcTypeorm
Financial Services
Lead quality engineering within an Agile squad, design and maintain automated test suites across UI, API, microservices and DB, integrate tests into CI/CD, mentor SDETs, triage production issues, define test strategy, tooling and test environments, and enforce quality best practices.
Top Skills:
AppiumAWSBambooBitbucketBrowserstackC#CircleCICucumberCypressDynamoDBEspressoGatlingGitGitlabGradleGraphQLGrpcHttpclientJacocoJavaJavaScriptJenkinsJfrogJmeterJunitKafkaKubernetesMavenMongoDBNugetNunitPagerdutyPlaywrightPostgresPowershellProgetPytestPythonRestRestassuredSauce LabsSeleniumService VirtualizationShell ScriptingSonarqubeSQL ServerSqsTeamcityTestngWcfWebhooks
Fintech • Information Technology • Payments • Financial Services
Design, build, and maintain scalable backend services in C#/.NET powering payment routing, connector management, and platform configuration. Build secure, observable APIs and high-volume transaction processing systems, collaborate across Product/AI/Engineering, mentor junior engineers, drive architecture and standards, and own full lifecycle from requirements to deployment.
Top Skills:
.NetC#Cloud-Based ApplicationsEvent-Driven ArchitecturePci Dss 4.0Relational DatabasesRestful ApisSoc 2
Cloud • Information Technology • Software • Automation
Lead design and implementation of enterprise solutions using Microsoft technologies. Architect scalable, secure microservices and cloud-native systems on Azure, guide development teams, implement DevOps/CI-CD and automated testing, integrate with existing systems, and promote best practices in performance and security while collaborating with stakeholders.
Top Skills:
.Net CoreAPIsAutomated TestingAzureAzure App ServicesAzure DevopsAzure FunctionsC#Ci/CdDevOpsKubernetesMicroservicesSQL Server
Cloud • Information Technology • Software • Automation
Lead design and implementation of enterprise software using Microsoft technologies. Architect scalable, secure cloud-native microservices on Azure, guide development teams, drive DevOps/CI-CD and automated testing, ensure integration with existing systems, and promote best practices in performance and security.
Top Skills:
.Net CoreAPIsAutomated TestingAzureAzure App ServicesAzure DevopsAzure FunctionsC#Ci/CdDevOpsKubernetesMicroservicesSQL Server
Internet of Things • Software • Analytics
Lead end-user facing engineering squads (about half the team), grow engineering capacity, and provide hands-on technical leadership. Drive distributed computing, cloud (AWS/Azure), CI/CD, Agile/Scrumban, mentoring, conflict resolution, and product delivery for a remote-first, time-zone-compatible global team. Travel periodically for face-to-face team interactions.
Top Skills:
.NetAWSAzureC#Ci/CdDistributed ComputingJavaKotlinKubernetesMachine LearningPythonQube Virtual OfficeReactScrumbanSlackStreaming Time SeriesTypescriptZoom
Greentech • Logistics • Social Impact • Energy
Design, build, and support Dynamics 365 CRM and Power Platform solutions including Dataverse, Power Pages, Power Automate, integrations with Business Central and external systems. Develop custom extensibility (C#/.NET plugins, JavaScript, PCF), implement portal UX/security, enable ALM and deployment practices, troubleshoot production issues, and collaborate with stakeholders to deliver maintainable, scalable customer-facing applications.
Top Skills:
.NetAzure DevopsAzure FunctionsBusiness CentralC#CSSDataverseGitJavaScriptLiquid TemplatesLogic AppsMicrosoft Dynamics 365 CrmModel-Driven AppsOdataPcfPlugin Registration ToolPower AppsPower Apps Component FrameworkPower AutomatePower PagesPower PlatformPower Platform AlmPower Platform Cli (Pac)Rest ApisXrmtoolbox
Information Technology • Logistics • Transportation • Consulting
Build and ship full‑stack features for transportation management and other client products. Design and implement APIs and UIs, collaborate with product and design, own delivery, write modular testable code, troubleshoot and iterate quickly, and mentor peers.
Top Skills:
.NetC#Ci/CdDevOpsDockerElectronFastapiGraphQLJavaJavaScriptLlmsLookmlMlMongoDBMySQLNode.jsPythonReact NativeReactRestSpringTypescriptVue
Artificial Intelligence • Blockchain • Digital Media • Information Technology
Develop and maintain .NET Core trading systems for Linux with service-oriented architecture and multi-threaded processing. Implement async, lock-free structures and distributed systems, write unit and integration tests, optimize SQL queries, design data structures and algorithms, and work with communication protocols (SignalR, gRPC, HTTP). Use PostgreSQL, Docker, and AWS in the deployment stack.
Top Skills:
.Net CoreAsp.Net CoreAWSC#DockerGrpcHttp(S)JSONMstestNatsNunitPostgresProtobufSignalrSQLXMLXunit
HR Tech • Logistics • Software
Lead modernization of CI/CD by evolving Azure DevOps pipelines and implementing GitHub Enterprise/Actions. Integrate SAST/DAST, observability, and test automation into pipelines. Design and maintain AWS infrastructure using Terraform and AWS CDK, build reusable IaC patterns, enforce DevSecOps practices, and support AI workload infrastructure and AI-assisted tooling to improve platform reliability and developer productivity.
Top Skills:
.NetAi-Assisted Development ToolsAWSAws CdkAzure DevopsAzure Devops Yaml PipelinesC#DastDatadogGithub ActionsGithub Advanced SecurityGithub EnterpriseIamModel-ServingOwasp ZapSastSecrets ManagementSemgrepSnykTerraformVector Databases
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Fintech • Software • Financial Services
Design, build, and own end-to-end features for AI-powered finance agents and agent orchestration. Implement integrations with accounting and payment platforms, create dashboards and reporting, ensure security and data integrity, make architectural choices, monitor production, and drive AI-assisted, agentic development workflows.
Top Skills:
AnthropicAWSC#GoJavaMongoDBNest.JsNode.jsOpenaiPythonQuickbooksRagReactSQLStripeTypescriptXero
Software • Appliances
Support customer and partner relationships by demonstrating radar value, lead integrations with C2/VMS/autonomous platforms, plan and execute installations, tune systems, provide technical support, analyze post-demo data, create training materials, collect feedback, and travel up to 50%.
Top Skills:
APIsCC#C++Command Line InterfaceDigital Signal ProcessingElectronically Scanning ArrayLinuxNetworkingPythonRadarWireshark
Information Technology • Software
Design, develop, test, and deploy .NET solutions (APIs and web apps). Build and consume RESTful services, work with SQL and NoSQL databases, use cloud (Azure/AWS) and Docker, apply unit/integration/performance testing, participate in code reviews, define features via spikes, and architect scalable, high-performance systems. Support occasional after-hours and on-call rotation.
Top Skills:
.Net.Net 8AndroidAngularAWSAzureC#Ci/CdClaudeDevOpsDockerGitKiroMauiMongoDBReactRest ApiRestful ServicesSQLUwpVueXamarin
Logistics
Design, develop, and execute automated and manual tests for enterprise web applications. Build and maintain automation scripts, dashboards, and test cases; perform backend/database validation, API testing, defect tracking, and release verification across multiple projects. Support test strategy, execution, and post-production validation.
Top Skills:
C#CSSHTMLJavaJavaScriptJunitKatalonPostmanSeleniumSQL
Information Technology
The Lead Platform Developer oversees architecture, scalability, and reliability, mentoring engineers and building platform capabilities while ensuring security and compliance in a fast-paced environment.
Top Skills:
.NetAWSAzureAzure DevopsC#DatadogDockerElkGCPGithub ActionsGitlab CiGoGrafanaJavaJenkinsKotlinKubernetesNew RelicNode.jsOauth2OidcOpentelemetryPrometheusPythonTerrraformVault
Fintech • Financial Services
Lead technical direction for compliance platforms, design scalable .NET/Azure distributed systems using DDD/CQRS and event-driven patterns, improve observability and reliability (Dynatrace), drive platform modernization, mentor engineers, define testing and SLO strategies, and partner with cross-functional teams to deliver secure, cost-aware fintech compliance solutions.
Top Skills:
.NetAi-Assisted Development ToolsAzure Cloud ServicesC#CqrsDistributed SystemsDomain-Driven Design (Ddd)DynatraceEvent-Driven ArchitectureNetSuiteTokenization
Information Technology
Design, build, and deploy NICE CXOne contact center solutions and IVR call flows. Integrate backend services and APIs, implement skills-based routing, troubleshoot end-to-end call center applications, coordinate releases across agencies, and act as SME for CXOne deployments and support.
Top Skills:
Application ServersC#C++ChromeDatabasesEdgeIaasIvrJavaJavaScriptMicrosoft DynamicsNetwork InfrastructureNice CxoneNice Cxone StudioNice IncontactPaasPythonRestful ApisSaaSSalesforce
Fintech • Payments • Financial Services
Designs, develops, tests, documents, and maintains software solutions using Pathward's tech stack. Reviews and improves existing systems, remediates security issues, participates in planning and user-story analysis, and mentors other engineers while following development processes and best practices.
Top Skills:
.NetAsp.NetAWSAzureAzure DevopsC#Classic AspCSSEntity FrameworkGitHTMLIisJavaScriptMsmqMvcNservicebusTeam Foundation ServerVbscriptVisual StudioWpfXml/Xslt
Fintech • Payments • Financial Services
Designs, develops, tests, documents, and maintains software solutions. Reviews and improves existing systems, remediates security issues, participates in planning and user story analysis, mentors engineers, and follows development best practices.
Top Skills:
.NetAsp.NetAWSAzureAzure DevopsC#Classic AspCSSEntity FrameworkGitHTMLIisJavaScriptMsmqMvcNservicebusTeam Foundation ServerVbscriptVisual StudioWpfXMLXslt
Artificial Intelligence • Big Data • Machine Learning
Design and implement scalable full-stack solutions using .NET and React. Lead architecture, cloud migration (AWS/Azure), microservices, and API development. Mentor developers, perform code reviews, resolve production issues, manage client interactions, and drive delivery with a focus on performance, security, and multi-tenant SQL Server architectures.
Top Skills:
.Net Core.Net FrameworkAdsAsp.NetAuroraAWSAzureBootstrap 4C#ContainerizationCSS3DmsElasticacheElasticsearchEntity FrameworkGitHTML5IamIbm Cognos AnalyticsJavaScriptJfrogKmsLinuxMaterial UiMavenMgnMicroservicesMvcNoSQLRabbitMQRdsReactReact V16React V17ReactRedisReduxS3ScssSctServerlessShell ScriptingSQL ServerSql Server 2019Sql Server Change Data Capture (Cdc)SsisStimulsoftUdeployUnixVpcWebforms
Edtech
Design and implement AI-powered educational software, focusing on generative AI systems, mentor peers, and ensure scalable, secure architecture.
Top Skills:
AWSAzureC#GCPJavaScriptPythonTypescript
Reposted 11 Days AgoSaved
Cloud • eCommerce • HR Tech • Information Technology • Analytics
Lead design, development, and maintenance of enterprise-grade React + TypeScript applications. Own front-end performance, responsiveness, and security; integrate with .NET/Azure backends; mentor junior developers; perform code reviews and debugging; modernize legacy apps; collaborate with designers, offshore teams, and stakeholders in Agile ceremonies.
Top Skills:
.NetAPIsAzureAzure App ServicesC#Cosmos DbCSSReactSQLTypescript
Artificial Intelligence • Software
Develop and maintain language frontends for the Joern platform for automated software vulnerability analysis, collaborating with a global team.
Top Skills:
C#JvmRoslynScala
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