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 Full Stack .NET Developer designs, builds, and maintains secure applications, optimizing for performance and reliability in a high-security environment.

Seeking experienced developers proficient in PHP, Java, Python, or C# for full-stack software development. Candidates must have good communication skills and the ability to obtain a Top Secret clearance.

As a Software Engineer I, the role involves developing high-quality software, participating in code reviews, owning features, and leveraging AI-assisted tools in a collaborative environment.

The .Net Developer will design, build, test, and maintain scalable web applications using .NET technologies, and coordinate development tasks across teams.

Develop, maintain, and operate enterprise applications on the .NET platform, ensuring compliance with standards and supporting CI/CD and DevSecOps tools.

The Senior Software Engineer is responsible for designing, developing, testing, and managing application projects while ensuring programmatic integration, process improvement, and automation in support of IT infrastructure.

Design and implement digital solutions, write code, collaborate with teams, ensure software performance and security, and maintain documentation.

The Senior Software Engineer will design, develop, and maintain enterprise integration solutions, focusing on Azure services and microservices architecture, ensuring smooth communication across systems.

The Senior Software Engineer will design, develop, and maintain integration solutions, focusing on Azure services and microservices architecture, while mentoring junior developers and ensuring best practices in software development.

The Senior Financial Systems Developer designs and implements solutions for business needs, focusing on Elite 3E frameworks and financial applications.

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.

The Systems Analyst analyzes business processes and enhances systems with software development skills, utilizing programming languages and COTS tools to manage large electronic data efficiently.

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

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.

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.

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.

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

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

Own, evolve, and design critical subsystems across the engine stack while implementing high-performance APIs for various configurations. Manage execution timing and resource contention with an emphasis on reliable performance in diverse environments.

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 Software Engineer leads software development, manages projects, mentors developers, and collaborates on software design and testing using Agile methodologies.

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

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

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.