Top Remote C# Jobs in Washington, DC

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Lead development and maintain Microsoft Dynamics 365 CE Sales solutions, build forms, workflows, plug-ins, integrations, and reusable code. Drive DevOps practices, perform code reviews, lead design/POC efforts, mentor engineers, collaborate with product and QA, support deployments and production troubleshooting.

Create and optimize high-quality, mobile-optimized character shaders and material workflows in Unity URP. Develop master materials, tools, and editor extensions (C#). Profile and debug performance on iOS/Android, collaborate with artists on look development, and ensure efficient rendering across mobile devices.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

Design and maintain healthcare software integrations, ensuring data flow between Epic EHR and systems while mentoring developers and ensuring quality standards.

Design, develop, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

Lead end-to-end full-stack development across React frontends and compiled backends, influence architecture and data modeling, integrate third-party dealership APIs, use AI-assisted coding tools daily, set engineering standards, ship production features to live dealership users, and mentor junior engineers.

First engineering hire to build end-to-end features across React frontends and C#/.NET (and Python) backends, work with PostgreSQL and MongoDB, integrate third-party automotive APIs, use agentic AI coding tools, and collaborate on architecture and engineering culture.

The Engineering Manager will lead a team focused on software for school nutrition, managing performance, driving delivery, and collaborating on modernization efforts while ensuring high-quality engineering practices.

Write and maintain automated API and UI tests, integrate automation into CI/CD, collaborate with product and development to define acceptance criteria, perform manual testing where needed, analyze failures, and improve testing strategy for a SaaS EHR application.

The Staff Software Engineer will lead design and development of cryptocurrency platforms, provide technical mentorship, and drive system reliability, while staying current on blockchain trends.

The Senior Platform/MLOps Engineer will design and implement scalable AI/ML infrastructure, manage deployment pipelines, and optimize GPU workloads in Kubernetes to support manufacturing operations.

Lead customer-facing architecture and development of scalable, cloud-native AWS applications. Drive design discussions, migrate monoliths to microservices, implement serverless and container solutions, advise on AWS best practices, and influence developer-focused product and platform strategy.

Lead technical engagements to architect and build scalable, cloud-native AWS applications using serverless, containers, and microservices. Migrate monoliths to microservices, advise on AWS best practices, influence infrastructure and product strategy, and work directly with customers and cross-functional teams.

Develop and maintain scalable web, mobile, API, and data-platform features as part of an Agile Scrum team. Implement cloud migrations, CI/CD pipelines, test automation, security controls, and production-first practices while troubleshooting production issues and contributing to continuous improvement.

Contribute as an Agile Scrum team member to develop features across data marketplaces, mobile/web apps, and APIs. Participate in cloud migrations, test automation, code reviews, and production support with a focus on scalability, uptime, and continuous improvement.

The SharePoint Developer will design systems, develop custom PowerApps, collaborate with government staff, and improve existing applications while ensuring security and quality in software development.

Design, implement, and maintain GIS solutions using ESRI/ArcGIS. Develop and debug software, write code to interface with ArcGIS, troubleshoot production issues, integrate systems, consult with users, lead project teams, and produce technical documentation and manuals.

Develop and sustain automated manufacturing test solutions for optical transport products, analyzing parameters and collaborating with engineering teams for improvements.

The Integration Developer supports and maintains Rhapsody and .NET applications, automates workflows, and modernizes legacy systems for public health data exchange.

As a Software Engineer - Support, you'll troubleshoot production issues, implement fixes, and collaborate with teams to enhance web platforms. You will also define backlog tickets and contribute to improving incident response processes.

The Software Engineer will design, develop, and install software solutions, ensuring compliance with coding standards and documenting functionality.

Lead Backend Engineer responsible for high-profile projects using backend technologies, team leadership, and deployment of scalable applications. Requires 10+ years of experience in software development, particularly with C# and .NET and cloud services.