Top C# Jobs in Washington, DC

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

The role involves developing autonomy software for aerial systems, collaborating with various teams, and requires significant C++ programming experience.

Design, build, deploy and maintain cloud-based software components in an agile environment. Collaborate with cross-functional teams, write tests, perform code reviews, debug production issues, and translate business requirements into reliable software solutions.

The Lead Power Platform Developer/Architect will design scalable Power Apps solutions, lead technical teams, conduct architecture reviews, and ensure alignment with business objectives.

Design and implement GenAI-powered business solutions integrating Microsoft Power Platform, Copilot Studio, and Azure OpenAI. Translate requirements into architectures, build and integrate production systems, develop documentation and diagrams, collaborate with architects, and support complex enterprise and federal client implementations.

The Jr. SQL Developer will work on MS SQL Server, performance tuning, software design, development, testing, and debugging. Participate in the full project lifecycle.

The Jr. SQL Developer will work with MS SQL SERVER, focusing on database performance tuning, software design, and project lifecycle participation under the guidance of a Project Manager.

The .Net Developer will build software applications, collaborate with team members, document technical specifications, and resolve software issues.

The .Net Developer will design, develop, and maintain software applications, lead initiatives, document requirements, and resolve software issues.

Develop and maintain applications, manage infrastructure, implement system improvements, and interact with customers to ensure timely support ticket closures.

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.

The .Net Developer will support business functions by developing, implementing, and maintaining applications, collaborating in a Scrum Team, and ensuring software meets specifications.

The Sr. .NET Developer will support business functions by developing, implementing, and maintaining application systems, focusing on BI tools and Web APIs.

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.

The SharePoint Consultant will design, develop, customize, and integrate SharePoint web portals, supporting applications development and workflows for clients.

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.

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.

The Senior Power Apps Developer will implement Microsoft Power Platform solutions, interact with clients, and drive project phases while ensuring high-quality development standards.

The role involves designing, delivering, and operating distributed systems, collaborating across teams, and integrating AI advancements in software solutions. Responsibilities include monitoring application health and participating in peer reviews.

The Staff Software Development Engineer will lead technical initiatives, design and maintain enterprise systems, and collaborate on innovative solutions at Signify Health.

The Sailpoint Consultant will maintain and support SailPoint IIQ infrastructure, troubleshoot issues, develop scripts, and assist project teams with identity and access solutions.

Senior Systems Analyst responsible for Level 3 .NET application support, troubleshooting, root cause analysis, system performance optimization, CI/CD and DevOps support, change management, documentation, and mentoring junior staff while participating in on-call rotations.

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.

Lead architecture, modernization, and sustainment of mission-critical DOJ systems. Provide SME technical leadership for secure, scalable applications, CI/CD, compliance (RMF/STIG/FIPS/FedRAMP), cloud/IaC, and mentor teams while supporting classified operations and ATO activities.

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.