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Open nowPosted 6 days agoWe saw it 21 min after it went up

Senior .Net Application Developer

ASSYST, Inc.12 open roles

Where
Rockville, MD
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Your applicationOpen nowSenior .Net Application DeveloperASSYST, Inc. · Rockville, MD

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The clock on this job

Early applications get read.

13.9% of postings close within 7 days. Measured by our own scanner across the market. ASSYST, Inc. postings stay open a median of 8 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 13.9%7 days
  4. 22.4%14 days
  5. 38.1%30 days
  6. 59.0%60 days
This job: posted 6 days ago

ASSYST, Inc. median: 8 days open

The posting

Assyst is seeking a Senior .NET Application Developer to support the development, modernization, enhancement and maintenance of enterprise web applications and workflow solutions. The ideal candidate must have strong experience in .NET application development, database engineering, system integration, and UI/UX design, along with the ability to translate business requirements into production-ready solutions. Experience with legacy application modernization, HighGear workflow platforms, and government projects is preferred.

Job Title: Senior .NET Application Developer – Process & Workflow Applications Location: Rockville, MD

Assyst is seeking a Senior .NET Application Developer to support the development, modernization, enhancement, and maintenance of enterprise web applications and workflow solutions. The ideal candidate must have strong experience in .NET application development, database engineering, system integration, and UI/UX design, along with the ability to translate business requirements into production-ready solutions. Experience with legacy application modernization, HighGear workflow platforms, and government projects is preferred.

Roles & Responsibilities:

  • Design, develop, enhance, modernize, and maintain .NET web applications and Web APIs.
  • Maintain existing applications built using MVC and Clean Architecture.
  • Support process flows and workflow applications currently 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.
  • Utilize 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.

Required Skills & Qualifications:

  • Master's degree (MS) 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.
  • Previous government or public-sector project experience is preferred.

ASSYST is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law.

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