Legacy systems create a web of operational and technical dependencies that constrain new feature development and increase costs.
A project's central "core" module often accumulates excessive responsibilities and dependencies over time, creating a maintenance bottleneck.
Black holes are modules with oversized APIs, high technical debt, and excessive responsibilities that attract more dependencies over time.
A multi-year refactoring effort replaced legacy configuration services with Spring Cloud Config by using adapters and systematically removing old dependencies.
Creating a "boxed" local development environment by mocking all external dependencies allows for independent and faster feature development.
A mocked environment accelerates development, improves testing consistency, and empowers frontend teams to drive API design with backend counterparts.
Focus on high-quality, minimal documentation and strategically choose which technologies to modernize based on value versus effort.
Treat technical debt like a mortgage by accepting it to deliver value, but consistently pay it down by focusing on major issues.
Neglecting IT maintenance leads to poor user experiences and dangerously slow adaptation, posing a significant threat to the business model.
To prepare for new technologies, legacy systems must be modernized to support near-real-time data processing and user expectations.
46:48Stefan Priebsch
57:38Bernd Ruecker
54:39Alexander Günsche
43:13Carola Lilienthal
58:23Luka Samaržija & Ivan Sokol
21:19Maik Wietheger & Jan-Christoph Schlieker
1:01:30Henning Schwentner
41:17Syed M Shaaf
Jobs that call for the skills explored in this talk.
Haufe-Lexware GmbH & Co. KG
Freiburg im Breisgau, Germany
Haufe-Lexware GmbH & Co. KG
Freiburg im Breisgau, Germany
autoiXpert GmbH & Co. KG
Stuttgart, Germany
Saby New Compy
Bielefeld, Germany
ATR Software GmbH
Neu-Ulm, Germany