Jobs in the United States

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Added 14 mins ago
AI/ML Computational Science Associate Manager
Accenture LLP Company
United States
Added 18 mins ago
Senior Video Editor
Datadog
NY
You will partner closely with brand designers, product marketing, developer relations, and the events team. You will also help develop AI tools to speed up the pipeline.
Added 26 mins ago
WD
Lead Software Engineer
Walt Disney Attractions Technology LLC
Lake Buena Vista, FL
- $148,300 to $198,800 USD / year
Added 27 mins ago
AP
Senior Mechanical Engineer
Acorn Product Development, Inc.
Remote, United States
- $130,000 to $175,000 USD / year
Added 31 mins ago
Senior Mechanical Engineer
Acorn Product Development, Inc.
Milpitas, CA
Added 1 hour ago
S
Software Engineer, Front-End (New York)
Superhuman
New York, NY
- $163,500 to $235,000 USD / year
Added 1 hour ago
React Developer Intern
Republic Finance, LLC
Plano, TX
As a React Developer Intern you will leverage your deep knowledge of React with JavaScript and TypeScript to build dynamic and responsive web applications. You’ll work closely with our…
Added 1 hour ago
Scrum Master
S&P Global
New York, NY · Princeton, NJ
Added 1 hour ago
Human Factors Engineer (HFE)
The MITRE Corporation
San Antonio, TX
Added 1 hour ago
Systems Engineer, Platform Engineering
Quanta Services
Houston, TX
Added 1 hour ago
VB
Senior Manager, Product Management - Managed Network Services
Verizon Business Ntwk Srvs LLC
Basking Ridge, NJ · Ashburn, VA
- $140,500 to $245,000 USD / year
Added 1 hour ago
PRINCIPAL SOFTWARE ENGINEER (C# | .NET)
MedAcuity
Westford
Added 1 hour ago
Senior .Net Application Developer
ASSYST, Inc.
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…
Added 1 hour ago
Lead, Mobile App Software Engineer
Whitepages, Inc.
Seattle, WA
Added 1 hour ago
Senior Core Infrastructure Engineer - OCI Product Catalog (Nashville-TN)
Oracle
Nashville, TN
Added 1 hour ago
Android Developer
Photon
United States
Added 1 hour ago
Senior Mobile Android Engineer (Engineer III)
The Elevance Health Companies, Inc.
United States
Added 1 hour ago
Localization Manager
Verkada
San Mateo, CA
Added 1 hour ago
IG
Application Developer
Insight Global
Urbandale, IA
- From $71 USD / hour
We are seeking a Senior Application Developer for a client of ours, an IT consulting company supporting multiple internal and external client applications. This individual will bring strong…
Added 1 hour ago
IG
Test Automation Engineer
Insight Global
Ewing, NJ
- $105,000 to $116,000 USD / year
Added 1 hour ago
TN
Software Development Manager
Transaction Network Services, Inc.
Virtual, IL · Virtual, WA · Virtual, VA · Virtual, UT · Virtual, TX · Virtual, PA · Virtual, KS · Virtual, OH · Virtual, NC · Virtual, NY · Virtual, NJ · Virtual, GA · Virtual, FL · Virtual, CT · Virtual, MO · Virtual, CA · Virtual, AZ · Virtual, MI · Virtual, MA · Virtual, MD
- $165,000 to $175,000 USD / year
Added 1 hour ago
Senior Full Stack Software Engineer
Seamless
Remote, United States
Added 1 hour ago
E-Comm Graphic Designer
Default Brand
Marshall, MN
Added 1 hour ago
TT
Software Engineer, iOS
True Talent Solutions Partners
New York, NY
- $130,000 to $230,000 USD / year
Added 2 hours ago
Manager, Design & Development
Western Governors University
Salt Lake City, UT

ASSYST, Inc.

Senior .Net Application Developer

Rockville, MD, United States

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Job details

Posting language: English
Posted: Nov 6, 2026

Original job description

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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