Yusuf İhsan Görgel

Software Engineer from Turkey. Building SaaS products with Flutter and Go. 12 production apps, open-source tools, and too much coffee.

Joined on Apr 3, 2026

Yusuf İhsan Görgel

Jul 21

You don't need a vector database

#flutter #dart #ai #machinelearning

8 min read

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Yusuf İhsan Görgel

Jul 21

My LLM-eval cache made CI free, except the judge ran every time

#dart #ai #llm #testing

3 min read

Yusuf İhsan Görgel

Jul 21

Future.wait over a thumbnailer ran a real folder out of memory

#dart #flutter #performance #concurrency

3 min read

Yusuf İhsan Görgel

Jul 21

Your schema said number, the model returned 42, and the cast threw

#dart #ai #llm #json

3 min read

Yusuf İhsan Görgel

Jul 21

A zero byte in the input was silently truncating my tokenizer

#dart #ffi #rust #debugging

4 min read

Yusuf İhsan Görgel

Jul 21

Reading two fields out of a 4 MB JSON payload: where an FFI parser beats dart:convert

#dart #json #performance #ffi

4 min read

Yusuf İhsan Görgel

Jul 21

Semantic search in Dart without the hand-written cosine loop

#dart #flutter #ai #machinelearning

4 min read

Yusuf İhsan Görgel

Jul 21

Writing a million-row .xlsx from Dart without running out of memory

#dart #excel #ffi #backend

4 min read

Yusuf İhsan Görgel

Jul 20

A crash-safe job queue for server-side Dart, in two packages

#dart #redis #backend #queue

4 min read

Yusuf İhsan Görgel

Jul 20

A Dart regex that cannot be made to hang

#dart #flutter #regex #security

4 min read

Yusuf İhsan Görgel

Jul 20

One Request, Two Streams: Debugging a 45-Second Deadlock in MCP's Streamable HTTP

#go #ai #mcp #debugging

6 min read

Yusuf İhsan Görgel

Jul 19

Rendering an LLM's structured output while it streams, in Dart

#dart #ai #llm #flutter

3 min read

Yusuf İhsan Görgel

Jul 19

hf_tokenizers: byte-exact HuggingFace tokenization in Dart, without reimplementing the tokenizer

#dart #ai #llm #ffi

3 min read

Yusuf İhsan Görgel

Jul 19

One pipeline for retry, circuit breaker, and timeout in Dart

#dart #backend #async #opensource

6 min read

Yusuf İhsan Görgel

Jul 18

The ping that never came back

#dart #debugging #async #opensource

5 min read

Yusuf İhsan Görgel

Jul 18

simdjson_dart 0.1.2: reading three fields out of a 9 MB JSON payload without decoding the rest

#dart #flutter #json #performance

5 min read

Yusuf İhsan Görgel

Jul 13

Idempotency keys in Go: the check-then-act race nobody tests for

#go #postgres #backend #database

5 min read

Yusuf İhsan Görgel

Jul 11

Read-only by construction: an MCP server that can't write to Redis

#ai #redis #backend #security

5 min read

Yusuf İhsan Görgel

Jul 11

What's Actually in Redis When You Enqueue a Background Job

#go #redis #database #backend

5 min read

Yusuf İhsan Görgel

Jul 11

A one-line Content-Type check that quietly broke my streaming client

#go #http #debugging #webdev

4 min read

Yusuf İhsan Görgel

Jul 11

Integration tests that actually touch Postgres and Redis (no testcontainers)

#go #testing #postgres #docker

5 min read

Yusuf İhsan Görgel

Jul 11

Per-tenant transactions in Go with pgx: SET LOCAL search_path, and why every schema name goes through QuoteIdent

#go #postgres #database #security

6 min read

Yusuf İhsan Görgel

Jul 11

Redis rate limiting in Go: INCR, the expiry race, and a limiter core that knows nothing about Redis

#go #redis #ratelimiting #backend

6 min read

Yusuf İhsan Görgel

Jul 11

Schema-per-tenant migrations in Go: why the ledger lives inside each schema

#go #postgres #database #multitenancy

6 min read

Yusuf İhsan Görgel

Jul 8

A Redis Task Queue in Dart: Weighted Polling, Dead Letters, and One Nasty Empty-Poll Bug

#dart #redis #backend #tutorial

5 min read

Yusuf İhsan Görgel

Jul 7

I Built an LLM Filter That Prefers Silence Over Slop, and the Eval Harness That Keeps It Honest

#ai #llm #testing #go

4 min read

Yusuf İhsan Görgel

Jul 6

Turning a Portfolio Effect Into a Zero-Dependency Flutter Package

#showdev #flutter #dart #opensource

3 min read

Yusuf İhsan Görgel

Apr 3

Building a Spatial Grid Particle System in Flutter Web

#flutter #dart #webdev #opensource

2 min read

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Yusuf İhsan Görgel

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Writing Debut

You don't need a vector database

Want to connect with Yusuf İhsan Görgel?

My LLM-eval cache made CI free, except the judge ran every time

Future.wait over a thumbnailer ran a real folder out of memory

Your schema said number, the model returned 42, and the cast threw

A zero byte in the input was silently truncating my tokenizer

Reading two fields out of a 4 MB JSON payload: where an FFI parser beats dart:convert

Semantic search in Dart without the hand-written cosine loop

Writing a million-row .xlsx from Dart without running out of memory

A crash-safe job queue for server-side Dart, in two packages

A Dart regex that cannot be made to hang

One Request, Two Streams: Debugging a 45-Second Deadlock in MCP's Streamable HTTP

Rendering an LLM's structured output while it streams, in Dart

hf_tokenizers: byte-exact HuggingFace tokenization in Dart, without reimplementing the tokenizer

One pipeline for retry, circuit breaker, and timeout in Dart

The ping that never came back

simdjson_dart 0.1.2: reading three fields out of a 9 MB JSON payload without decoding the rest

Idempotency keys in Go: the check-then-act race nobody tests for

Read-only by construction: an MCP server that can't write to Redis

What's Actually in Redis When You Enqueue a Background Job

A one-line Content-Type check that quietly broke my streaming client

Integration tests that actually touch Postgres and Redis (no testcontainers)

Per-tenant transactions in Go with pgx: SET LOCAL search_path, and why every schema name goes through QuoteIdent

Redis rate limiting in Go: INCR, the expiry race, and a limiter core that knows nothing about Redis

Schema-per-tenant migrations in Go: why the ledger lives inside each schema

A Redis Task Queue in Dart: Weighted Polling, Dead Letters, and One Nasty Empty-Poll Bug

I Built an LLM Filter That Prefers Silence Over Slop, and the Eval Harness That Keeps It Honest

Turning a Portfolio Effect Into a Zero-Dependency Flutter Package

Building a Spatial Grid Particle System in Flutter Web