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Writing on legacy modernization

Engineering deep-dives and strategic analysis on legacy modernization. New post every week.

Latest posts Technical deep-dives × Strategy + Financial services +
Technical deep-dives

COBOL to Java migration cost: what actually drives the number

Aug 31  •  14 min read

Latest post

How long does a COBOL to Java migration take?
Aug 31 • 13 min read
Is automated COBOL to Java conversion reliable?
Aug 30 • 14 min read
Four Ways to Modernize Legacy Code: Replatform, In Place, Rewrite, Replace
Aug 4 • 12 min read
The talent shortage for legacy code: why it is getting worse, what it costs, and how to get ahead of it
Aug 3 • 12 min read

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Technical deep-dives

AI in software modernization: how Gen AI and symbolic AI actually rebuild legacy systems

How Gen AI and symbolic AI modernize legacy code, where each breaks, and why deterministic transformation plus Gen AI is the correct path at scale.

Jul 29  •  10 min read
Technical deep-dives

How Deterministic Software Transformation Works

Symbolic AI, Program Analysis, and Large-Scale Legacy Modernization

Jun 16  •  10 min read
Technical deep-dives

93% Accurate Is a Failing Grade for COBOL Translation

Vendors claim 93% COBOL-to-Java accuracy. On 5 million lines, that is 350,000 wrong ones. Where AI genuinely helps, and how to prove code equivalence.

2026-028-26  •  13 min read
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Start with the code you thought could not move.

Send us a short note about your system. Rough line counts and target stack are enough to begin.

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