Hachem's personal blog and portfoliohttps://blog-worker.hachem-betrouni.workers.dev/https://blog-worker.hachem-betrouni.workers.dev/blog/first-time-street-hypnosis/https://blog-worker.hachem-betrouni.workers.dev/blog/first-time-street-hypnosis/Why finishing Plastic Reality left me no choice but to walk up to strangers and try it for real.Sat, 25 Jul 2026 00:00:00 GMThttps://blog-worker.hachem-betrouni.workers.dev/blog/lisptc/https://blog-worker.hachem-betrouni.workers.dev/blog/lisptc/Anthropic's post on programmatic tool calling sent me down a rabbit hole: instead of calling tools in a loop, the agent becomes a programmer. So I built a Lisp from the ground up to be the language it writes in, and to make the case that the LLM is not the agent.Sun, 16 Aug 2026 00:00:00 GMThttps://blog-worker.hachem-betrouni.workers.dev/blog/phone/https://blog-worker.hachem-betrouni.workers.dev/blog/phone/actually just 8 reasons but I can go on forever...Mon, 01 Apr 2024 00:00:00 GMThttps://blog-worker.hachem-betrouni.workers.dev/blog/radical-honesty/https://blog-worker.hachem-betrouni.workers.dev/blog/radical-honesty/We built a culture on radical honesty. It made us better engineers, kinder colleagues, and clearer thinkers — and it also blew the company apart.Sun, 16 Aug 2026 00:00:00 GMThttps://blog-worker.hachem-betrouni.workers.dev/blog/why-i-left-bigmama/https://blog-worker.hachem-betrouni.workers.dev/blog/why-i-left-bigmama/Three years, two pivots, one CTO title I had no idea how to hold, and the slow realization that a software product was never going to fix the thing I actually wanted to fix.Sun, 16 Aug 2026 00:00:00 GMT