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
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
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
320
Empowering-developers-with-Roslyn.pdf
squer
0
170
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
RSA暗号を手計算したくなること、ありますよね?? (20260615_orestudy6_rsa)
thousanda
0
320
How Timee Delivers Day 1 Production Ready LLM Features
tomoyks
0
170
脆弱性対応、どこで線を引くか
rymiyamoto
1
380
Agent Skills設計で柔軟性と硬さのバランスが難しい話
nassy20
0
130
AI-DLCを活用した高品質・安全なAI駆動開発実践 / AI Driven Development with AI-DLC
yoshidashingo
0
180
日本 Fintech 未来予測レポート 2027〜2028年(手動編集版)
8maki
0
2.2k
非定型業務をAI slackbotで自動化する ~ 社内要望を自動壁打ちするbotを作った ~/automating-ad-hoc-work-with-ai-slackbot
shibayu36
0
630
AIソロプレナー時代に2ヶ月で20人増員した事業創造会社の開発組織の話
miyatakoji
0
640
AIはどのように 組織のアジリティを変えるのか?
junki
1
600
チームで進めるAI駆動アジャイル×ウォーターフォール
kumaiu
0
160
On-behalf-of Token exchange with AgentCore Identity
hironobuiga
2
160
2026TECHFRESH畢業分享會 - AI 時代的人生存檔點
line_developers_tw
PRO
0
910
Featured
See All Featured
Art, The Web, and Tiny UX
lynnandtonic
304
22k
A designer walks into a library…
pauljervisheath
211
24k
Darren the Foodie - Storyboard
khoart
PRO
3
3.4k
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
2
850
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
3.4k
Principles of Awesome APIs and How to Build Them.
keavy
128
17k
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
1
5.9k
Highjacked: Video Game Concept Design
rkendrick25
PRO
1
390
Technical Leadership for Architectural Decision Making
baasie
3
400
Paper Plane
katiecoart
PRO
1
51k
Building Applications with DynamoDB
mza
96
7.1k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
6k
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