Alex ChernyshAlex ChernyshAI Systems Engineer · Tel Aviv
Writing

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.

5 posts
Aug 12, 2026
6 min read

Your banned-word list expired in March 2024

Naming a tell is what kills it, so any list of AI words starts dying the day it ships. Underneath sits the failure no list touches: the draft commits to nothing. I built an editing skill for that one.

May 2, 2026
13 min read

Forecasting Without Prophecy: a plain-text discipline

Why I leave the future to astrology and reach for reference classes, premortems, and calibration logs instead. Disciplined uncertainty in plain text.

Mar 11, 2026
5 min read

Working Under Repeated Alarms

A short note from Israel on what repeated alarms do to attention, engineering judgment, and team habits, and which working practices make interruption easier to absorb.

+2
Mar 4, 2026
5 min read

Getting AI-Assisted Development to Green Without Breaking the Code

Repair loops, small diffs, test trust, and how to get CI back to green without trashing the codebase.

+2
Jul 15, 2025
8 min read

SYNAPSE: adaptive-control software engineering, prototyped

SYNAPSE was a 2025 framework for AI agents that adapt their own success criteria via MCDM. The deterministic-control-plane idea later shipped as Bernstein.

+1