· 6 min read
Lock, check, or reserve: the concurrency decision nobody teaches
Somewhere right now, a transaction is holding a lock open while it waits on a payment gateway to respond.
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concurrencysystem designlocking
Featured writing
Writing on AI engineering
Prompt engineering, system design, and building AI products that hold up past the demo. Cross-posted from Substack.
· 5 min read
The Hidden Cost of Chatty I/O
Every network call has a fixed tax.
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system design
· 8 min read
Before You Scale: What Chapter 1 of Designing Data-Intensive Applications Actually Teaches You
Everyone cites Designing Data-Intensive Applications. It’s on the reading list of every serious engineering team. Engineers drop it in interviews. CTOs reference it in system design discussions. But most people read it once, nod along, and move on without internalizing what the first chapter is actually saying.
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system design
· 4 min read
Streaming in LLM Agents Isn’t Just a UX Feature. It’s an Architecture Decision.
Most teams add streaming to their AI products because it feels faster.
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ai engineeringsystem design
· 7 min read
Building Internal Chatbots That Actually Work
Every company I’ve worked with has the same problem dressed in different clothes.
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ragai engineeringsystem design