Lyubomir Petrov — CAIO/CTO & co-founder at FiberMan and Sensorhub. I write about AI, engineering and how work is changing.
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FeaturedWe connected an AI agent to the whole company. Here's what it actually does.
We put an agent in Slack and wired it to code, data, billing and monitoring. The surprise wasn't code review. It was the monthly accounting.
Nov 13, 2026 · 14 min readRead →
Latest
- Vibe Coding with AI IDEs: Lessons from 6 Months of Building Fast, Fun, and (Sometimes) Fragile Projects
Six months of vibe coding with Cursor: what I built, why Cursor, what broke, and 12 practical rules for working with agentic AI IDEs.
OutdatedAI coding toolscursorvibe-coding5 min - When a ‘Simple’ Micro-SaaS Isn’t So Simple: The Story of TrackChanges.app
Why I built TrackChanges.app, why AI alone couldn't write it, and how I plan to find the first users of a niche micro-SaaS.
OutdatedEngineeringmicrosaasspreadsheets4 min - Taking a Sabbatical: A Pause to Reset, Create, and Explore
Why I stepped off the high-speed track after years of scaling a unicorn: health, family and making things, documented in public.
Personalsabbaticalself-improvement2 min
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Topics
All tags →AI2
Models, agents and what they change.
AI coding tools1
ChatGPT, Codex, Claude Desktop, Claude Code, coding terminals and vibe coding — how I actually use them to ship.
Engineering1
Architecture, products and shipping.
Processes & integrations1
Slack, workflows and how teams talk to machines.
Data & statistics0
Numbers, honestly.
Futurism0
How I see the next 5–10 years.
Personal1
Sabbaticals, balance, family and the things I make for fun.