Boeing: an old Delphi system ready for the future
AI & legacy modernization

Boeing: an old Delphi system ready for the future

Stabilize first, then rebuild step by step into a modern architecture and stack, without disrupting operations.

A business-critical system written in ageing Delphi was getting harder and harder to maintain. Reemo deliberately avoided a risky big-bang and chose a controlled modernization instead.

Sector
Aviation
Legacy
Delphi
Approach
Stabilize, then rebuild
Extra
AI assistance
Maintenance

Calm things down first

We started with a few months of bugfixing and maintenance. That stabilized the system, let us learn the domain inside out and built trust, all while operations kept running.

Boeing: an old Delphi system ready for the future

Step by step to a modern stack

We then rebuilt the system incrementally into a modern, modular architecture on a current stack. Where it paid off we added AI assistance, never risking a big-bang migration.

Modernization

The team

Legacy knowledge and modern build

1
Solution Architect
Target architecture & migration plan
2
Legacy engineers
Delphi bugfixing & analysis
2
Modern stack developers
New architecture & stack
1
QA Engineer
Regression & test automation

From and to

The technical journey

Delphi (legacy)C# / .NETTypeScriptModern SQLCloud & containersCI/CDAutomated testsAI-assisted delivery

Outcome

Stable, modern and maintainable

12+ yr
old system modernized
0
big-bang migrations
2 tracks
stabilize + rebuild

Build something like this with Reemo?

Tell us what you are building and we will assemble the right team.

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