Senior .Net Application Developer
ASSYST, Inc.•Rockville, MD
•Onsite
About The Position
Assyst is seeking a Senior .NET Application Developer to develop, modernize, enhance, and maintain enterprise web applications and workflow solutions. The role combines .NET application development, database engineering, system integration, and UI/UX design, translating business requirements into production-ready solutions. The position supports existing MVC and Clean Architecture applications and process flows implemented on the HighGear low-code/no-code platform. The job is located in Rockville, Maryland.
Requirements
- Master's degree in Computer Science, Information Technology, or a related computer field.
- Experience in .NET web application and Web API development.
- Experience maintaining .NET applications using MVC and Clean Architecture.
- Experience with Microsoft SQL Server and Oracle database administration, coding, integration, and reporting.
- Strong proficiency in VB.NET, C#, .NET, Blazor, React, HTML, and SQL.
- Experience in database engineering, data mapping, and migration across different database systems.
- Experience in requirements engineering, system design, and application enhancement.
- Hands-on experience with SSO and Microsoft Entra ID (Azure AD) integration.
- Experience with AI tools such as Microsoft Copilot.
- Experience with .NET deployments across Development, Testing, and Production environments.
- Strong knowledge of responsive UI/UX design and WCAG 2.1 AA accessibility standards.
- Excellent technical documentation skills.
- Experience working in structured project environments and collaborating with Project Managers.
Nice To Haves
- Experience with legacy application modernization.
- Experience with HighGear workflow platforms.
- Previous government or public-sector project experience.
Responsibilities
- Design, develop, enhance, modernize, and maintain .NET web applications and Web APIs.
- Maintain applications built using MVC and Clean Architecture.
- Support process flows and workflow applications implemented through the HighGear low-code/no-code platform.
- Gather and translate user enhancement requests into functional requirements, technical designs, and production-ready solutions.
- Perform database administration, development, integration, reporting, and data migration using Microsoft SQL Server and Oracle.
- Map and migrate data from disparate database systems into Microsoft SQL Server.
- Develop and integrate applications using VB.NET, C#, Blazor, React, .NET, HTML, and SQL.
- Implement SSO and Microsoft Entra ID (Azure AD) integrations.
- Develop responsive and accessible user interfaces compliant with WCAG 2.1 AA standards.
- Use AI-assisted development tools such as Microsoft Copilot in accordance with organizational security and compliance policies.
- Prepare and deploy .NET application packages across DEV, TEST, and PROD environments.
- Develop SQL scripts for database requests and maintain technical, functional, and release documentation.
- Collaborate with Project Managers and technical teams within structured project governance environments.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
