ikkachar.dev
CTO & Co-founder, Juma.ai

Building AI-native products, in the open.

Field notes from a CTO & co-founder building AI-native products. Essays on AI agents, context engineering, shipping fast, and the craft of building software in the LLM era.

Read the writingAbout me

Latest writing

All posts
15 min read

The lights were never off

The man who coined "dark factory" runs at Level 4. The man who popularized it calls it unproven. The teams who built one never say the words.

aiagentsarchitecture
6 min read

Write the done-condition, not the prompt

How I write prompts, audited against 138 of my own. Four habits, one rule, and the single edit that fixes most of them.

aiagentscontext-engineering
16 min read

Loop engineering is verifier engineering

Eleven articles, 43 million views, one idea: design loops that prompt your agents. They all agree you need a verifier. Almost none of them are one.

aiagentsarchitecture