Alex ChernyshAlex ChernyshAgentic behaviorist · Tel Aviv
WritingAssistant

Notes

Notes on AI systems, retrieval, and the work that starts after the demo.

Notes on retrieval, evals, observability, and the engineering that starts once the demo is the easy part.

3 posts
Apr 23, 2026
4 min read

Need a job? Sip your drink. We'll look for you.

Why I stopped applying the LinkedIn way and built a quiet service that does the grind for me, and now for you. Drop a résumé once, get a ranked daily shortlist with a one-line pitch hint per role.

Mar 9, 2026
5 min read

LLM Product Safety Without Theater

A practical guide to LLM product safety: prompt injection, excessive agency, unsafe outputs, evals, and sober boundaries.

+2
Mar 6, 2026
7 min read

Interface Design for Serious Products

A practical memo on calm authority, visible product care, restrained motion, and why trustworthy interfaces feel expensive.