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Thursday May 28, 2026 16:15 - 16:45 CEST
Limited Capacity full
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Legacy codebases often sit in valuable but neglected state because migrations are costly, risky, and domain-knowledge intensive.

Large language models help change that. By analyzing code, tests, and docs, LLMs can produce helpful code changes and findings in seemingly forgotten parts of our legacy code. As a force multiplier, LLMs can help accelerate migrations to modern stacks and reduce the cognitive overhead, letting small engineering teams execute bigger migrations with larger confidence.

In this talk we'll go through:
- LMPL's experiences with migrating legacy PHP code to modern Java stack
- efficiency gain within a small and focused migration team
- how to counteract the traps and issues with LLM-driven code migrations of large codebases
Speakers
avatar for Jedrzej Andrykowski

Jedrzej Andrykowski

Senior DevOps Engineer, Leroy Merlin Poland
Mainly related to Java environment. Fan of DevOps culture and broadly understood automation of everything. Enthusiast of Domain-Driven Design. From time to time appears as a speaker. In free time guitarist and a extreme music lover.
avatar for Pawel Kowalski

Pawel Kowalski

Developer, Leroy Merlin Poland
Senior Software Engineer at LMPL
Experienced in Java and PHP, with a strong background in back-end development and a solid understanding of front-end technologies. Occasionally takes on DevOps-related tasks, enjoying the challenges they present. Outside of work, is passionate about cycling and often spends free time... Read More →
Thursday May 28, 2026 16:15 - 16:45 CEST
3 - LAB 135 Rue Sadi Carnot, Ronchin, France

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