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
0
120
AI-Driven Legacy Decomposition
Vienna & Munich Microservice Meetup
SQUER Solutions
December 10, 2025
Tweet
Share
More Decks by SQUER Solutions
See All by SQUER Solutions
Plural of Platforms
squer
1
73
Demystifying Event Sourcing – A Practical Approach by Shahab Ganji
squer
0
140
Architecting Distributed Systems at Scale — From Pain to Pattern
squer
0
250
Empowering-developers-with-Roslyn.pdf
squer
0
130
Building Event Driven Systems at Scale with Azure Cosmos DB
squer
0
150
Building Event-Driven Systems at Scale with Azure Cosmos DB
squer
0
120
Platform Engineering: It's Not What You Think It Is
squer
0
320
Patterns Of Architectural Modernization
squer
1
500
Architecting for Scale
squer
0
220
Other Decks in Technology
See All in Technology
Bill One急成長の舞台裏 開発組織が直面した失敗と教訓
sansantech
PRO
1
300
Oracle Cloud Observability and Management Platform - OCI 運用監視サービス概要 -
oracle4engineer
PRO
2
14k
SREじゃなかった僕らがenablingを通じて「SRE実践者」になるまでのリアル / SRE Kaigi 2026
aeonpeople
6
2.1k
オープンウェイトのLLMリランカーを契約書で評価する / searchtechjp
sansan_randd
3
650
Frontier Agents (Kiro autonomous agent / AWS Security Agent / AWS DevOps Agent) の紹介
msysh
3
150
生成AI時代にこそ求められるSRE / SRE for Gen AI era
ymotongpoo
5
2.7k
30万人の同時アクセスに耐えたい!新サービスの盤石なリリースを支える負荷試験 / SRE Kaigi 2026
genda
1
270
小さく始めるBCP ― 多プロダクト環境で始める最初の一歩
kekke_n
1
350
AIと新時代を切り拓く。これからのSREとメルカリIBISの挑戦
0gm
0
780
モダンUIでフルサーバーレスなAIエージェントをAmplifyとCDKでサクッとデプロイしよう
minorun365
3
140
日本語テキストと音楽の対照学習の技術とその応用
lycorptech_jp
PRO
1
420
CDKで始めるTypeScript開発のススメ
tsukuboshi
1
330
Featured
See All Featured
Navigating Weather and Climate Data
rabernat
0
100
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
34
2.6k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
140
Everyday Curiosity
cassininazir
0
130
KATA
mclloyd
PRO
34
15k
Heart Work Chapter 1 - Part 1
lfama
PRO
5
35k
技術選定の審美眼(2025年版) / Understanding the Spiral of Technologies 2025 edition
twada
PRO
117
110k
Writing Fast Ruby
sferik
630
62k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
2k
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
techseoconnect
PRO
0
55
Sam Torres - BigQuery for SEOs
techseoconnect
PRO
0
180
Crafting Experiences
bethany
1
46
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