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Top Senior Level .NET Developer Jobs in Washington DC,

8 Days Ago
Washington, DC, USA
201 Employees
Senior level
201 Employees
Senior level
Information Technology
The Sr Software Engineer will manage operations of NGA-OIG’s management system, oversee web application deployment, handle data migration, conduct business analysis, and ensure top-tier customer engagement. Responsibilities include technical management and support, facilitating data migration scripts, capturing business processes, and maintaining relationships with stakeholders.
15 Days Ago
Washington, DC, USA
11 Employees
Senior level
11 Employees
Senior level
Artificial Intelligence • Cloud • Machine Learning
Rackner is seeking a Full Stack Developer to perform .NET and SQL development tasks supporting the State Department, including writing clean, scalable code, managing databases, and adhering to Agile processes.
24 Days Ago
Northwest, DC, USA
80 Employees
Senior level
80 Employees
Senior level
Information Technology
The Senior Software Engineer will develop and automate analytical processes, design user interfaces, collaborate on new features, and support deployment in a DevOps environment for national security applications. This involves maintaining code integrity and providing technical support for applications and databases.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+33 More

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24 Days Ago
Washington, DC, USA
1,400 Employees
Senior level
1,400 Employees
Senior level
Agency • Artificial Intelligence • Fintech • Healthtech • Information Technology • Professional Services • App development
Collaborate with stakeholders to translate business requirements into technical solutions, develop n-tier applications using C#, ASP.NET, and Azure, ensure code quality, implement CI/CD pipelines, design cloud-based solutions on Azure, and provide technical expertise to clients. Stay up-to-date on industry trends and technologies.
Top Benefits:
401-K
401-K Matching
Company Outings
+40 More
24 Days Ago
Washington, DC, USA
794 Employees
Senior level
794 Employees
Senior level
Cloud • Security
As a Senior Software Development Engineer at Delinea, you will be part of a collaborative team, contributing to the design, development, and architecture of the Connection Manager application used by IT professionals globally. You will work in an agile setting, focusing on creating reliable software solutions while ensuring best practices in development.
19 Days Ago
United States
Remote
18 Employees
Senior level
18 Employees
Senior level
Security • Software • Cybersecurity
The Software Architect will define software architecture aligned with business goals, select technologies, design solutions, and lead the development of large-scale software systems. Responsibilities include mentoring engineers, collaborating with teams, and ensuring code quality while staying updated with industry trends.
An Hour Ago
USA
Remote
132 Employees
Senior level
132 Employees
Senior level
Biotech
As a Full-Stack Developer, you will design, develop, test, and maintain software applications for the medical industry, ensuring compliance with standards. Key responsibilities include working with technologies such as C#, .NET, SQL, Java, and AWS, while also following best practices in software development, quality assurance, and problem-solving.
4 Hours Ago
United States
Remote
188 Employees
Senior level
188 Employees
Senior level
Design
The Freelance Senior Developer will create interactive digital experiences by leveraging UX, UI design, and functional expertise while collaborating with project teams. Responsibilities include front-end development, QA testing, and managing client expectations, all while using modern coding standards and tools.
4 Hours Ago
United States
Remote
2,506 Employees
99K-117K Annually
Senior level
2,506 Employees
99K-117K Annually
Senior level
Healthtech
The Sr Software Engineer will design, develop, and test software applications, acting as a liaison with business analysts and clients. Responsibilities include producing unit test cases, maintaining coding standards, and completing software components on schedule. Collaboration with teams and effective communication are vital.
5 Hours Ago
United States
Remote
93 Employees
150K-160K Annually
Senior level
93 Employees
150K-160K Annually
Senior level
eCommerce
The Senior Full Stack Software Engineer leads software development tasks, mentors team members, and collaborates with cross-functional teams. Responsibilities include efficient software design, development, automated testing, and applying UI design principles to create responsive applications. This role requires oversight and coding on both front-end and back-end technologies.
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