Ahmet Zeybek

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localhost Joined on Dec 2, 2017 me@zeybek.dev https://zeybek.dev

Ahmet Zeybek

Oct 6

Hybrid search with pgvector got worse until I added BM25

#postgres #search #rag #performance

14 min read

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Ahmet Zeybek

Oct 6

TypeSafe's Jev in production: thresholds and two bugs

#llm #aiagents #architecture #performance

15 min read

Ahmet Zeybek

Oct 6

How I turn any handful of colours into a readable theme

#css #a11y #designsystems #frontend

13 min read

Ahmet Zeybek

Oct 6

How camouflage.nvim masks secrets in Neovim without leaking a frame

#neovim #lua #security #performance

8 min read

Ahmet Zeybek

Oct 6

The outbox pattern without a relay

#postgres #outbox #distributedsystems #messaging

10 min read

Ahmet Zeybek

Oct 6

Letting an agent touch production

#sre #aiagents #oncall #operations

6 min read

Ahmet Zeybek

Oct 6

The npm worm playbook for a small team

#security #npm #supplychain #ci

6 min read

Ahmet Zeybek

Oct 6

Just use Postgres, until it actually hurts

#postgres #architecture #database #backend

6 min read

Ahmet Zeybek

Oct 6

The code nobody read

#aiagents #engineeringpractice #maintenance #architecture

7 min read

Ahmet Zeybek

Oct 6

The JavaScript toolchain got rewritten and you should let it

#tooling #build #javascript #devrel

8 min read

Ahmet Zeybek

Oct 6

TypeScript 7 migration notes from a monorepo

#typescript #tooling #monorepo #build

7 min read

Ahmet Zeybek

Oct 6

Hiring engineers when everyone has an agent

#hiring #engineeringpractice #aiagents #career

8 min read

Ahmet Zeybek

Oct 6

Context engineering is cache management

#llm #aiagents #architecture #aiengineering

6 min read

Ahmet Zeybek

Oct 6

How we review pull requests that an agent wrote

#codereview #aiagents #engineeringpractice #git

7 min read

Ahmet Zeybek

Oct 6

Every LLM feature needs a kill switch

#llm #reliability #featureflags #backend

8 min read

Ahmet Zeybek

Oct 6

Cache Components changed how I think about a page

#nextjs #react #caching #frontend

7 min read

Ahmet Zeybek

Oct 6

Who is the agent acting as?

#security #aiagents #oauth #identity

6 min read

Ahmet Zeybek

Oct 6

A local model is good enough for most of my tooling

#llm #localmodels #devrel #tooling

8 min read

Ahmet Zeybek

Oct 6

Tracing an agent like a distributed system

#observability #aiagents #opentelemetry #debugging

6 min read

Ahmet Zeybek

Oct 6

The observability bill is a design problem

#observability #opentelemetry #cost #sre

8 min read

Ahmet Zeybek

Oct 6

Skills are not tools

#aiagents #mcp #llm #devrel

7 min read

Ahmet Zeybek

Oct 6

UUIDv7 and the end of the random primary key

#postgres #database #performance #schemadesign

9 min read

Ahmet Zeybek

Oct 6

Picking a JavaScript runtime in 2026

#node #bunjs #deno #backend

8 min read

Ahmet Zeybek

Oct 6

Prompt injection is a data plane problem

#security #aiagents #mcp #llm

7 min read

Ahmet Zeybek

Oct 6

Write the eval before the prompt

#llm #testing #aiengineering #evals

7 min read

Ahmet Zeybek

Oct 6

RAG is a search problem wearing a costume

#rag #search #postgres #llm

8 min read

Ahmet Zeybek

Oct 6

Free-threaded Python in production: what actually broke

#python #concurrency #performance #backend

7 min read

Ahmet Zeybek

Oct 6

I deleted every useMemo and nothing happened

#react #performance #frontend #refactoring

6 min read