Legacy Systems Modernization Architect

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🕒 September 9, 2025

🤠 Texas – Remote

🤠 Texas – Remote

⏳ Contract/Temporary

🟠 Senior

🔴 Lead

🏛️ Architect

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Numentica

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2008

🔌 API

🤖 Artificial Intelligence

🤝 B2B

API • Artificial Intelligence • B2B

Numentica is a comprehensive service provider specializing in data services, analytics, application development, and BPO services aimed at transforming business operations through innovative technology solutions. With a focus on harnessing the power of AI and cloud data strategies, Numentica partners with leading businesses across various industries to drive digital transformation and enhance operational efficiency. They provide expert guidance in data governance, master data management, and business intelligence, ensuring that organizations leverage their data assets effectively for growth and competitive advantage.

📋 Description

• Develop, maintain, and enhance classic ASP and ASP.NET web applications • Architect and optimize database schemas; write and troubleshoot complex SQL queries and stored procedures • Work with Entity Framework, SSRS, and SSIS packages • Build and maintain Web APIs using .NET Core following RESTful principles • Utilize technologies including C#, Visual Studio, SQL Server (SSMS), TypeScript, CSS, JavaScript, Bootstrap • Modify legacy applications to meet 504 ADA compliance standards • Collaborate with cross-functional teams to define, design, and deliver new features • Troubleshoot and resolve application issues and bugs in a fast-paced production environment • Apply DevOps practices and work with CI/CD pipelines • Work within Agile/Scrum methodologies • Migrate legacy web applications to modern, compatible frameworks • Engage proactively with stakeholders to clarify issues, present solutions, and ensure timely incident resolution

🎯 Requirements

• 20+ years of hands-on software development and production support experience • Proof of hands-on experience evolving through legacy platforms to current technologies • Experience with legacy ASP and ASP.NET web applications (20 years) — list project names • Experience with SQL Server, database design, Entity Framework, schema design, stored procedures, SSRS (20/15 years) • Experience with front-end technologies: HTML, TypeScript, CSS, JavaScript (15 years) • Strong knowledge of unit testing frameworks; proficiency writing unit tests using nUnit (15 years) • Crystal Reports experience (older and newer versions) (10 years) • Proficiency in ASP.NET Core for building RESTful APIs (5 years) • Experience redesigning legacy ASP and ASP.NET 3.5 framework applications (5 years) • Experience making web pages ADA 504 Compliant (2 years) • Experience with ArcGIS is a plus (1 year preferred) • Experience with Entity Framework, SSRS, SSIS packages • Experience with C#, Visual Studio, SQL Server (SSMS), TypeScript, CSS, JavaScript, Bootstrap • Apply knowledge of DevOps practices and CI/CD pipelines • Experience working within Agile/Scrum methodologies • Strong communication, ownership, multitasking, and prioritization skills