Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
AI-Driven Legacy Decomposition
Search
SQUER Solutions
December 10, 2025
Technology
190
0
Share
AI-Driven Legacy Decomposition
Vienna & Munich Microservice Meetup
SQUER Solutions
December 10, 2025
More Decks by SQUER Solutions
See All by SQUER Solutions
Plural of Platforms
squer
1
110
Demystifying Event Sourcing – A Practical Approach by Shahab Ganji
squer
0
190
Architecting Distributed Systems at Scale — From Pain to Pattern
squer
0
310
Empowering-developers-with-Roslyn.pdf
squer
0
160
Building Event Driven Systems at Scale with Azure Cosmos DB
squer
0
190
Building Event-Driven Systems at Scale with Azure Cosmos DB
squer
0
160
Platform Engineering: It's Not What You Think It Is
squer
0
380
Patterns Of Architectural Modernization
squer
1
550
Architecting for Scale
squer
0
260
Other Decks in Technology
See All in Technology
サイバーセキュリティ概論 / Introduction to Cybersecurity
ks91
PRO
0
140
電子辞書Brainをネットに繋げてみた(自力編)
raspython3
0
430
MIERUNE JCT 発表資料「宇宙から伊能忠敬ごっこ」
syuchimu
0
170
Cloud Run のアップデート 触ってみる&紹介
gre212
0
300
Dynamic Workersについて
yusukebe
2
580
マーケットプレイス版Oracle WebCenter Content For OCI
oracle4engineer
PRO
5
1.8k
プラットフォームエンジニア ワークショップ/ platform-workshop
databricksjapan
1
260
コードレビューを制するチームがソフトウェアデリバリーのフローを制す / Beyond Code Review: Distributing Its Responsibilities Across the SDLC
mtx2s
3
1k
AIプラットフォームを運用し続けるための可観測性
tanimuyk
4
1.1k
イベントストーミングとKiroの仕様駆動開発で実現する要件の認識合わせプロセス
syobochim
7
1.2k
GoとSIMDとWasmの今。
askua
3
490
Oracle AI Database@AWS:サービス概要のご紹介
oracle4engineer
PRO
4
2.8k
Featured
See All Featured
Sam Torres - BigQuery for SEOs
techseoconnect
PRO
0
280
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.3k
We Have a Design System, Now What?
morganepeng
55
8.2k
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
1
320
Making Projects Easy
brettharned
120
6.7k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.8k
Discover your Explorer Soul
emna__ayadi
2
1.1k
Efficient Content Optimization with Google Search Console & Apps Script
katarinadahlin
PRO
1
590
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
techseoconnect
PRO
0
160
Done Done
chrislema
186
16k
The B2B funnel & how to create a winning content strategy
katarinadahlin
PRO
1
380
Mind Mapping
helmedeiros
PRO
1
230
Transcript
@duffleit David Leitner AI-DRIVEN LEGACY DECOMPOSITION
@duffleit DAVID LEITNER Principal Engineer 👋
[email protected]
🌎 @duffleit
Software Transformation Best-in-Class Support in O U R S E
R V I C E S Products & Data ! ? ? ? ? Cloud & Platform Engineering Architecture & Agility
Software Transformation
Connecting Ideas. Delivering Impact. just put AI on it
@duffleit Modern System ✨ Legacy System 🧟
@duffleit 60% of Applications are Legacy* 92% of Cost go
into Maintenance if you trust Gartner
@duffleit
@duffleit Legacy System Modern System ✨ 🧟
@duffleit Modern System ✨ Legacy System 🧟 Take the existing
COBOL system and modernize it. Autonomous AI & also here Assistive AI Help me with this task
@duffleit why depends whom you ask Take the existing COBOL
system and modernize it.
@duffleit Save Costs Time To Market Rehost Replatform Rearchitect Replace
Retire Revisit Reduce Risk Motivators Strategies ⬆ ⏺ ⏺ Execution
@duffleit Forward Engineering Reverse Engineering Rehost Replatform Rearchitect Replace Retire
Revisit Execution Analyze Document Extract Specify Build Integrate Decompose Plan Test Cut Over
@duffleit Rehost Replatform Rearchitect Replace Retire Revisit Execution Analyze Document
Extract Specify Build Integrate Decompose Plan Test Cut Over Reverse Engineering Forward Engineering Value Driven Modernization
@duffleit Legacy System 🧟
@duffleit Legacy System 🧟 Trading
@duffleit Legacy System 🧟 Trading ✨
@duffleit Legacy System 🧟 Trading ✨ Reverse Proxy Analyze Decompose
& Integrate Refactor Build Tests
@duffleit Analyze Decompose & Integrate Refactor Build Tests
@duffleit Rag Analyze Decompose & Integrate Refactor Build Tests Spec
MCP https://martinfowler.com/articles/exploring-gen-ai/sdd-3-tools.html
@duffleit Rag Analyze Decompose & Integrate Refactor Build Tests MCP
Spec
@duffleit Analyze Decompose & Integrate Refactor Build Tests AI Dependency
Analysis
@duffleit This whole AI Slop can become suddenly useful Analyze
Decompose & Integrate Refactor Build Tests Specify Clarify Plan Task Analyze Implement
@duffleit Analyze Decompose & Integrate Refactor Build Tests Legacy System
🧟 Trading ✨ Reverse Proxy Testcases
@duffleit Legacy System 🧟 ✨ Reverse Proxy Blueprint Strangle Fig
Migration Legacy System 🧟 Blueprint Bulkhead Stability Load Balancer 🧟 Façade ✨ Blueprint Replace Façade Third Party Modernization Blueprints Task Analyze BluePrints
@duffleit orchestrating agents Modernization Blueprints Task Analyze BluePrints /slash-commands
@duffleit orchestrating agents /slash-commands ModernAIzer Legacy System 🧟 ModernAIzer
@duffleit Demo
@duffleit Autonomous AI Modern System ✨ Legacy System 🧟 Assistive
AI Probably (still) over-hyped Process-step Accelerators
@duffleit If you digitize a shitty process, then you’ll end
up with a shitty digital process Thorsten Dirks
@duffleit If you put AI on a shitty digitized process,
then you’ll end up with a shitty digital process with AI.
@duffleit Legacy Modernization AI 🧰 Automation
@duffleit Legacy Modernization Automation AI 🧰
@duffleit Legacy Modernization AI Automation 🧰
@duffleit AI
@duffleit
@duffleit DAVID LEITNER Principal Engineer 👋
[email protected]
🌎 @duffleit Slides