Name: ACCU York [December 2025] - "Refactoring: In the Age of AI"
Start: 2025-12-03T18:30:00Z
End: 2025-12-03T20:30:00Z
Location: Patch

🕡 Doors open 18:30
📋 Intro and admin 18:50
🗣️ Talk by **Gareth Lloyd** (**🕖** start at 19:00)
The rules have changed. Or have they? AI can write code in seconds. But can it safely transform a tangled legacy codebase? Should it?
Through live demonstration, we'll discover where your intuitions about AI-assisted tooling are right, where they're dangerously wrong. This talk is about what actually works when real code needs real changes.

🍕 Food will be provided, let us know if you have dietary requirements
🔗 Finish off with Q&A, networking, and 🍻
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About the speaker: **Gareth Lloyd**
Gareth Lloyd is a high-performance C++ engineer at Memgraph, where he works on optimizing graph database internals, from lock-free garbage collection to memory allocators, and query execution engines. He's spent years deep in the mechanics of execution engines across multiple platforms (x86_64, armv8, WASM), tackling everything from cache strategies and parallel algorithms to distributed replication correctness.

Gareth serves as the ACCU Local Groups Officer, helping local groups across York, Cambridge, Bristol, London, and Oxford. In 2018 he became founding coordinator of ACCU York and has been building spaces for developers to share knowledge and skills ever since.

When he's not chasing nanoseconds or wrangling concurrent data structures, Gareth can be found rock climbing or at the gym. He's passionate about both high-performance systems and high-quality communities, believing that the craft of software engineering flourishes when people connect beyond their keyboards.
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[ACCU York](https://www.linkedin.com/company/accu-york/) is an [ACCU](https://accu.org/) local group
Follow on Mastodon: [https://fosstodon.org/@accu_york](https://fosstodon.org/@accu_york)
Venue sponsors: [Patch](https://www.patch.work/locations/york)
Community sponsors: [A/B Presents](https://www.linkedin.com/showcase/a-b-presents), [YorkDevelopers group](https://www.yorkdevelopers.org/), [WiT York](https://www.wityork.org.uk/), [Ministry of Testing York](https://www.meetup.com/mot-york/), [Tech York](https://www.eventbrite.co.uk/o/tech-york-55159793513), [dotNet York](https://www.meetup.com/dotnetyork/), [York Code Dojo](https://www.meetup.com/york-code-dojo/), [Leeds PHP](https://www.meetup.com/leedsphp/), [York Ruby](https://yorkruby.org/), [NYNE Games Dev Kitchen](https://www.linkedin.com/groups/12990409/)

Gareth Lloyd

ACCU York

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ACCU York [December 2025] - "Refactoring: In the Age of AI"

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ACCU York [December 2025] - "Refactoring: In the Age of AI"

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