Top C# Jobs in Washington, DC

As a Software Engineer, you will design and build backend services for Relativity's generative AI platform, focusing on scalability and reliability in distributed systems.

Design, develop, and review software as part of an Agile scrum team. Collaborate with architects, QA, analysts, and customers to build large-scale hosted applications, contribute to security and risk assessments, resolve operational issues, and participate in on-call support and deployments.

The role involves designing, developing, and testing applications using .NET technologies, building APIs, and implementing AI/ML solutions. Responsibilities include contributing to architectural decisions and mentoring team members.

Lead architecture and design for highly available, low-latency cloud services. Drive AI-first engineering practices, evaluate and integrate AI-assisted development tools, mentor engineers, perform code and architecture reviews, and collaborate with Product and Design to build scalable, observable, and automated systems.

Design, build, deploy, and operate backend services, APIs, integrations, and web applications. Own end-to-end features, improve CI/CD and observability, troubleshoot cross-service issues, participate on-call, and collaborate with product and leadership to deliver reliable production systems.

Develop and maintain cloud-based enterprise web applications using React, C#/.NET and/or Python. Build RESTful APIs, work with SQL Server/PostgreSQL, participate in CI/CD and Azure deployments, troubleshoot production issues, follow secure coding and accessibility standards, and collaborate on Agile teams.

Design, develop, maintain, and enhance SmartCop public-safety applications across the software development lifecycle. Collaborate with cross-functional teams, use C#/.NET and MS SQL Server, consume/develop web services, apply object-oriented design, leverage AI-assisted development tools, participate in code reviews, and follow automated testing and quality-focused practices. Support deployment, troubleshooting, and implementation decisions while meeting North American Central Time collaboration requirements.

Design, build, and lead enterprise Power Platform solutions (Power Apps, Power Automate, Dataverse, Power BI). Drive architecture, integrations, PCF and C# extensibility, DevOps/ALM, governance, stakeholder workshops, troubleshooting, and documentation while mentoring teams and shaping platform strategy for a federal client.

Lead solution architecture and technical strategy for enterprise, cloud-native applications. Drive modernization, Azure migrations (including Azure Government), DevSecOps, secure design, integrations/API strategy, and mentor development teams while ensuring federal compliance, ATO support, and lifecycle management of mission-critical systems.

Lead technical design, development, modernization, and deployment of enterprise web applications on Azure Government and Microsoft 365. Mentor teams, enforce standards, implement CI/CD and DevSecOps, migrate legacy systems, develop Python/ASP.NET backends and React frontends, manage databases (SQL Server/PostgreSQL), and ensure security/compliance (FISMA, NIST, ATO).

As a Senior Software Engineer in Test Automation, you'll design automation frameworks, develop CI/CD pipelines, and ensure the quality of VR training products.

The Power Platform Developer will design user interfaces, develop applications using Power Apps, automate workflows, and create reports with Power BI while collaborating with stakeholders and conducting usability testing.

The job involves developing applications using .NET technologies including C#, ASP.NET, and MVC, along with web client frameworks.

Seeking a Senior IT Developer/Engineer with extensive experience in .NET technologies, Oracle databases and software development lifecycle, to lead design and coding efforts.

Develop, test, debug, and enhance software solutions for a federal customer. Integrate design requirements, resolve compatibility issues, research emerging technologies, produce technical documentation, troubleshoot applications, and prepare analytical progress reports.

Design, develop, and maintain Model-Driven Power Apps and integrations on Dynamics 365/Dataverse. Build PCF controls, plug-ins, Power Automate flows, and Power BI reports. Troubleshoot production issues, manage source control and releases in GitHub, implement security models, and collaborate with stakeholders in an Agile environment for secure, scalable enterprise solutions.

Lead cloud migrations and modernization for federal applications across AWS and Azure. Architect scalable, secure IaaS/PaaS/SaaS solutions, implement containerized microservices and automated CI/CD pipelines, drive observability and performance using tools like New Relic and Splunk, and lead agile teams through DevSecOps practices.

Design, develop, and maintain custom Microsoft Dynamics CRM solutions. Configure forms and portals, implement business logic and C# workflows, support DevOps pipelines, and assist with system testing and quality assurance. Collaborate to update content and flows to meet business requirements.

Design, refactor, and develop within-database code and PL/SQL packages for Oracle and MS SQL Server. Build/support web app UI and services, execute component tests, review non-functional requirements with architects, and rotate Tier 3 ticket resolution while working in Agile teams.

Design, architect, and develop model-driven PowerApps and Dataverse environments. Build Power BI reports, Power Automate workflows, custom C# Dataverse plug-ins, PCF controls using JavaScript/TypeScript, and CI/CD pipelines. Lead client solutioning, mentor developers, and drive modernization and automation initiatives across the Power Platform.

Design, build, and maintain automated test frameworks and scripts. Identify automation opportunities, execute automation test cases, log and support issue resolution, perform API testing, and integrate automation into CI/CD pipelines to ensure software quality.

Design, develop, configure, and support Microsoft Dynamics 365 (Customer Service) solutions. Build customizations, plugins, workflows, integrations, and automated processes using Power Platform and Dataverse. Collaborate with stakeholders to gather requirements, perform unit and UAT testing, deploy updates, troubleshoot and tune performance, and produce technical documentation while ensuring compliance with Microsoft best practices and security standards.

Lead an engineering domain (Consumer, B2B, or Backend), owning technical direction, delivery, system health, architecture, and team development. Translate business needs to technical plans, manage cross-team dependencies, ensure production readiness and incident response, and hire and mentor engineers to deliver scalable, reliable 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.

Lead the development of web applications, guiding feature development from design to production, while mentoring a small Agile team and driving modernization initiatives.