Top C# Jobs in Washington, DC

Technical Services Engineers at MongoDB solve complex database problems for customers, requiring deep technical skills and customer service expertise. They work on architecture, performance, and support tools, engage with clients on technical queries, and contribute to projects within the MongoDB ecosystem. The role demands a mix of systems and storage engineering experience, coding skills, and a collaborative spirit.

The Software Programmer designs, develops, and manages secure applications for the DOJ, utilizing Agile methodologies and DevSecOps practices while providing technical support and documentation.

As a Mixed Reality Developer, you will create high-performance Mixed Reality applications, collaborating with cross-discipline teams to deliver innovative solutions for mission-critical operations.

Lead engineering and program management efforts for software solutions, mentor teams, oversee project planning, and ensure client satisfaction.

The Senior Software Developer will create and maintain software solutions for U.S. Navy weapon systems, ensuring quality and reliability through testing, code reviews, and collaboration with stakeholders.

Participate on a scrum team across the SDLC to design, develop, review, and deploy large-scale hosted healthcare applications. Collaborate with architects, QA, product and clinical analysts; contribute to security and risk assessments; support production operations and on-call rotation; work with cloud (AWS) architectures and databases.

The role involves developing cross-platform API abstractions for the Unity Editor using modern C++. Responsibilities include maintaining codebases and collaborating with worldwide teams.

Lead the design and development of Windows desktop applications, focusing on architecture, accessibility, and best practices, ensuring quality and performance across releases.

The Software Engineer II (CRM) will support the development and integration of Blackbaud CRM, collaborating with teams to ensure a secure and efficient system for managing constituent data.

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.

As a Modeling and Simulation Engineer, you will design advanced models, perform quantitative analysis, and support national defense initiatives.

The role involves design and development of a database application, migrating data, and enhancing search tools using Azure AI Search and MS Power Suite technologies.

Lead Dynamics CRM/365 and Power Platform implementations: design and develop customizations, plugins and workflows (C#), integrate external systems, build Power Apps/Portals, perform code reviews, produce technical documentation, estimate effort, and advise on architecture and security for agency clients.

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 Senior ServiceNow Developer designs and builds solutions on the ServiceNow platform, working with stakeholders to enhance legal practice operations and improve service delivery through automation and integrations.

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.

Lead the design and development of Windows desktop applications, ensuring performance, accessibility, and collaboration with various teams. Oversee the entire feature lifecycle and address complex issues in a user-centric manner.

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.

The role involves full-stack development on financial technology solutions, focusing on user-facing applications, internal tools, and data pipelines, requiring collaboration across teams.

Develop and maintain C# automation to audit, extract, parse, compare, and publish data across multiple datasets and SQL databases. Build automated audit reports, test automation in varied environments, collaborate with QA and development teams to identify and resolve issues, deploy solutions across servers and domains, document processes, and continually improve automation frameworks and practices.

Lead design, delivery, and operation of business-critical distributed systems. Build and maintain enterprise-grade, full-stack solutions, drive technical initiatives, mentor teammates, adopt new technologies, and deliver iterative customer-focused releases with emphasis on maintainability, performance, and scalability.

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

Designs, develops, and deploys AI-driven, cloud-native applications on Azure. Builds RAG knowledge systems, AI agents, secure APIs, and orchestrated workflows using C#, .NET, Azure services, Docker, and CI/CD. Collaborates with stakeholders, ensures observability and security, supports production incidents, and provides documentation and knowledge transfer.

Develop and deliver Salesforce solutions across configuration, customization, and third-party integrations. Write clean Apex and Lightning Web Components, use Git for source control, follow Salesforce development lifecycle and best practices, mentor junior teammates, and advise government healthcare clients on modernization and technology adoption while meeting vetting and Public Trust requirements.