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Contact and Professional Profile

Contact Michael Kappel

Senior software engineer and enterprise solutions architect with more than 20 years of experience delivering enterprise web applications, modernizing legacy systems, designing scalable .NET and data architectures, and integrating production AI workflows.

Last reviewed: 2026-06-21 UTC

Direct contact

Contact details

Michael Kappel Senior Software Engineer & Enterprise Solutions Architect Cicero, Illinois, United States mike@ns12.com (630) 362-7576

Email is the preferred channel for architecture discussions, AI runtime research, project collaboration, source suggestions, and detailed site feedback. Phone contact is available for direct professional inquiries.

ARuntime.com

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Professional and social profiles

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Selected experience

Michael has more than two decades of experience building and modernizing production systems across regulated and operationally demanding environments.

Enterprise architecture and modernization

Architected and rebuilt business-critical systems across insurance, logistics, financial services, research, government, and e-commerce environments, with an emphasis on maintainability, testability, and behavior-preserving migration.

.NET, API, and data platforms

Extensive delivery experience with C#, ASP.NET Core, MVC, Razor Pages, Web API, Entity Framework Core, ADO.NET, SQL Server, SQL Azure, stored procedures, Microsoft Graph, Azure Blob Storage, AWS, and Power BI.

AI integration and runtime design

Builds AI-assisted engineering workflows, local LLM pipelines, semantic-search and retrieval systems, MCP integrations, agent workflows, source-bounded knowledge systems, and human-reviewed execution processes.

Engineering quality and leadership

Leads architecture rescue, automated parity validation, unit and integration testing, SOLID and dependency-injection adoption, code review standards, technical mentoring, and cross-functional modernization planning.

Career snapshot

Info724 / Insurance 724
Senior Software Engineer / Software Architect
C+R Research
Senior Software Engineer
ITsavvy / Xerox IT Solutions
.NET Software Engineer
Long Term Software Solutions, Inc.
Principal Architect / Software Consultant
Transportation Management Technology / Cogent
Software Engineer / Solutions Architect / Mentor
TForce Worldwide / RR Donnelley
Lead Software Engineer / Retooling Mentor
Motozuma.com / BoostUp.com
Enterprise Software Architect / CTO
FIS / SunGard Financial Systems
Senior Software Engineer / International Team Lead
Magenic, Morse Data, AmericanEagle.com, and consulting roles
Microsoft enterprise software development and architecture

Technical specialties

  • Artificial intelligence runtime architecture
  • Agent workflows, MCP, local LLMs, semantic search, and RAG
  • C#, ASP.NET Core, Web API, Razor Pages, and Entity Framework Core
  • SQL Server, data modeling, stored procedures, DAX, and Power BI
  • Legacy-system modernization and zero-regression validation
  • Azure, AWS, Microsoft Graph, secure API integration, and CI/CD
  • SOLID design, dependency injection, automated testing, and mentoring

Selected independent projects

These projects reflect current work around AI runtime architecture, trust, reviewed knowledge systems, validation, and enterprise AI integration.

ARuntime.com

A vendor-neutral reference site explaining AI runtime layers, mechanics, deployment, governance, observability, and agentic execution.

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Profile note

Professional summary, experience, skills, credentials, contact information, and project descriptions were provided by Michael Kappel and adapted for this page.

Last reviewed: 2026-06-21 UTC