SYNTHETIC DEMO

LegacyBridge Modernization Lab

Executable synthetic C# lab for incremental modernization of long-lived business systems: ingest, validate and compare legacy data behind a modern CLI/API boundary.

C#, .NET, CLI, fixed-width data, JSON, characterization tests

Evidence scope

What this reference demonstrates

  • No employer or customer code
  • Fictional fixed-width input and schema
  • Deterministic validation and audit output
  • Comparison-first migration pattern
  • Rollback-oriented modernization checklist

Provenance

Intentionally synthetic

This pack was created as a neutral technical work sample. Its names, data and processes do not belong to a real client. The patterns reflect real engineering methods.

Public application ↗