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Sebastian Gebski

@nokillswit.ch
361 followers 68 following 972 posts

Geek, engineer, blogger, codefella, serial reader. Engineering leadership for a living. I speak here for myself only.

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Sebastian Gebski @nokillswit.ch · 01/10/2026
2️⃣ abstract thinking (having mastered solution modeling, being good at working with abstractions, and skillfully using - or even creating - mental models). These days, more than ever, devlyst is the new black 🖤.
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Sebastian Gebski @nokillswit.ch · 01/10/2026
Why so? According to my observations, the best software makers 🧑‍💻 these days (the ones who benefit most from using LLMs) are those who combine 1️⃣ architectural experience (understanding how things work under the hood and what the necessary properties of well-built systems are) with ...
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Sebastian Gebski @nokillswit.ch · 01/10/2026
It's an interesting experience to read your own blog posts from the past 📇. It sometimes surprises me how wrong I was in some of my predictions. Still, in some cases, I've hit the bullseye 🎯 - one of the best examples is: no-kill-switch.ghost.io/could-devlys... (from 2017).
no-kill-switch.ghost.io
Could DevLyst be the next 'black'?
> TL;DR Too many problems in modern software solutions development are related to chasm between 'thinkers' (analysts, people with business knowledge) & 'doers' (IT specialists, mainly programmers), ye...
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Sebastian Gebski @nokillswit.ch · 28/09/2026
[No Kill Switch 811] I got myself a magic lamp that grants wishes - part 1 - context no-kill-switch.ghost.io/i-got-myself... #nokillswitch
no-kill-switch.ghost.io
I got myself a magic lamp that grants wishes - part 1 - context
I recently saw DHH’s keynote at “Railsworld 2026” and it has spurred my plan to share the story of my epiphany (related to agentic coding, ofc). No, don’t worry, I’m not going to describe my full jour...
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Sebastian Gebski @nokillswit.ch · 28/09/2026
A na zakończenie nietypowo (zamiast prośby o like'i i inne interakcje) - jeśli pracujecie w branży software development (i okolicach), obejrzyjcie keynote DHH (www.youtube.com/watch?v=vDjW...). Jeśli miałaby to być jedyna rzecz, którą obejrzycie w tym m-cu, niech to będzie ten keynote.
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Rails World 2026 Opening Keynote - DHH
YouTube video by Ruby on Rails
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Sebastian Gebski @nokillswit.ch · 28/09/2026
🚆 niesamowity keynote DHH na Railsworld - najważniejszy conf talk dekady? 🚆 nadchodzi Jev - alternatywa, uzupełnienie, czy dalszy krok w rozwoju LLM? 🚆 Meta łączy siły z Labubu? (+Muse, +Luna, +ban na Amazonie, +...) Link 🔗: www.youtube.com/watch?v=v3uW...
youtube.com
AI zjada Open Source? Koniec programistów, czas na makerów | Brew #74
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 28/09/2026
A jakie to tematy? 🚆 Alibaba ma ambicje być drugą Nvidią 🚆 @wjptak analizuje EU Kids Act 🚆 @tonyszko prorokuje przyszłość Open Source na bazie three.js 🚆 jak wygląda wypasanie agentów w modern tech (na bazie voxium) 🚆 slop is a skill issue?
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Sebastian Gebski @nokillswit.ch · 28/09/2026
Dziś opublikowany, świeżutki odcinek 74-ty ... ma pewien potencjał, aby takim pivotem się stać 🫨. Nie wiem czy za rok, dwa, trzy będziemy wracać do samego odcinka (pewnie nie ...), ale do przynajmniej dwóch, konkretnych tematów omówionych w tym odcinku? To jestem sobie w stanie wyobrazić ...
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Sebastian Gebski @nokillswit.ch · 28/09/2026
🇵🇱 Nagraliśmy tak wiele odcinków Coffee ☕ i Brew 🧋 (oczywiście jako @CTOMorning Coffee), że ciężko wskazać jeden ulubiony, albo w jakiś sposób epokowy - mówiący na bieżąco o przełomie/konkretnej zmianie, która dokonała się na naszych oczach 👀.
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Sebastian Gebski @nokillswit.ch · 27/09/2026
[Book Review] 3 of 5 stars to Situated by Angela Duckworth www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 26/09/2026
🇵🇱 [Book Review] 3 out of 5 stars Przyłbice i kaptury by Kazimierz Korkozowicz www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 25/09/2026
BARDZO WAM DZIEKUJEMY (razem z Wojtek i Tomasz) za to że jesteście z nami i cieszymy się, że osób skłonnych poświęcić swój cenny czas ⏱️ na słuchanie naszych wynurzeń jest coraz więcej 📈 Następny odcinek już nagrany i w edycji 📹, stay tuned ...
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 25/09/2026
Bez żadnej płatnej reklamy. Bez kredytów na promowanie treści. Bez wliczania odsłon podcastów audio. Bez Instagrama/TikToka. Bez powiadomień w newsletterze. Niszowy content dla wąskiej grupy specjalistów o wysokim seniority. Totalny organik i pojedyncze ogłoszenia na LI+X. 👐
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 25/09/2026
🇵🇱 W zeszłym tygodniu sobie żartowaliśmy, że skoro poprzednie Brew 🧋 od CTO Morning Coffee ☕ w kilka dni złapało 2 tys. odsłon na YT, to podnosimy poprzeczkę do 3 tysięcy ... No i proszę, nie minął nawet tydzień od opublikowania kolejnego odcinka i pękło 3.1 tysiąca odsłon 🤩.
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 24/09/2026
🇵🇱 [Book Review] 1 of 5 stars to Antysystem by Wojciech Cejrowski, Paweł Lisicki www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 24/09/2026
But one of my favorite (yet underappreciated) ones is on the importance of managing energy dynamics ⚡ in the workplace - no-kill-switch.ghost.io/dynamics-ene... - maybe it's a good moment to excavate it right now, just when we start embracing the new era, the era of autonomous agents 🤖.
no-kill-switch.ghost.io
Dynamics (energy flow) of a work environment
I love diving deep into how/when & why work is getting done. Into the differences between environments of high velocity & insane productivity VS ones where the air seems to have a consistency of a gel...
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Sebastian Gebski @nokillswit.ch · 24/09/2026
Over the years, I've written a ton of posts (ofc on No Kill Switch) on leading and managing (mostly engineers and not only). They were full of odd-sounding pieces of advice like tasting the soup 🍲, sucking up chaos 🌪️, or not getting monkeys on one's shoulders 🐒.
no-kill-switch.ghost.io
Dynamics (energy flow) of a work environment
I love diving deep into how/when & why work is getting done. Into the differences between environments of high velocity & insane productivity VS ones where the air seems to have a consistency of a gel...
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Sebastian Gebski @nokillswit.ch · 20/09/2026
- A. Obel "The Meaning of Flowers" open.spotify.com/album/3FsljV...
open.spotify.com
The Meaning of Flowers - Album by Agnes Obel | Spotify
Agnes Obel · album · 2026 · 12 songs
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Sebastian Gebski @nokillswit.ch · 20/09/2026
End of summer has its pros as well, one of them is an abundance of new album releases. The two I've enjoyed most recently (both similar and very different in some aspects) are: - R. Weinroth-Browne "Empyrean" open.spotify.com/album/2pg9rg...
open.spotify.com
Empyrean - Album by Raphael Weinroth-Browne | Spotify
Raphael Weinroth-Browne · album · 2026 · 9 songs
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Sebastian Gebski @nokillswit.ch · 18/09/2026
Here we go again - Blood Rage is back! Just in time for weekend. #bloodrage #boardgame
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Sebastian Gebski @nokillswit.ch · 18/09/2026
🦆 Apple 🍏 wypuścił nowy line-up zabawek: czy iPhone i idea origami się spinają? Link 🔗: www.youtube.com/watch?v=KS7T... Like'ujcie, share'ujcie, komentujcie - ostatnio pękło na luzie 2000 odsłon zanim się obejrzeliśmy (za co jeszcze raz WIELKIe dzięki 🙏) - czemu tym razem nie celować w 3k? 😁
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 18/09/2026
🦆 Bending Spoons się nie zatrzymuje 🥄: Miro 🦆 menedżerowie haseł i agenci Gen AI: na przykładzie 1Password 🦆 duże inwestycje CAPEXowe BigTechów 🦆 habemus AGIm 🧠? jak dobra jest GPT-6 Astra od OpenAI? 🦆 AI kradnie wynalazki? brute force'em się liczy? jak będzie wyglądał progres naukowy w dobie LLMów?
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 18/09/2026
🇵🇱 @ctomorning.coffee ☕. Kolejny odcinek Brew 🧋. Numer 73. I wszystko jasne 😎. W karcie dań: 🦆 co kaczki mają wspólnego z robotyzacją Open Source? 🦆 @wjptak.bsky.social robi checkpoint na polskim rynku VC 🦆 Booksy obcina ... nie włosy 💇, ale 1/5 załogi - @onyszko.com kwestionuje powody?
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OpenAI ma AGI, ale nie wie, jak działa ich własny model? GPT-6 Astra pod lupą | Brew #73
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 17/09/2026
[Book Review] 4 of 5 stars to Clearing the Air by Hannah Ritchie www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 16/09/2026
[Book Review] 3 of 5 stars to Tres enigmas para la Organización by Eduardo Mendoza www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 13/09/2026
[Book Review] 2 of 5 stars to Beyond Vibe Coding by Addy Osmani www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 11/09/2026
🇵🇱 Tukidydes w e-booku za 66PLN, w 2026 roku 😂. To są jakieś kpiny ze zdrowego rozsądku i elementarnej uczciwości.
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Sebastian Gebski @nokillswit.ch · 11/09/2026
Overthinking things, being reluctant to make a decision, and lacking ownership to push things through - the "price" to pay for these sins is higher than ever before ⌛. That's why "bias for action" 🏃 has become trait number 1 these days. More on that here: no-kill-switch.ghost.io/bias-for-act...
no-kill-switch.ghost.io
Bias for action - a prescription for chaos or ...
Have you noticed how easy it is ... ... to sabotage an idea/initiative? By inventing countless "special cases to consider" (of the negligible meaning) and potential weak spots (to prove that the sol...
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Sebastian Gebski @nokillswit.ch · 09/09/2026
[Book Review] 1 of 5 stars to Technofeudalism: What Killed Capitalism by Yanis Varoufakis www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 08/09/2026
🇵🇱 Wow, 1000 odsłon w niecałe 24h, zrobiliście nam dzień - dzięki wielkie 🙇‍♂️ dla wszystkich, którzy obejrzeli film oraz (dodatkowo) podzielili się nim dalej 😍
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Sebastian Gebski @nokillswit.ch · 07/09/2026
🎒 czy to w końcu rok Linuxa 🐧 na desktopie? DHH i Omarchy Quattro Sharing is caring, więc like'ujcie, share'ujcie, komentujcie i ustawiajcie @ctomorning.coffee ☕ na homepage ludziom w pracy, którzy zapomną zalockować komputer 🖖.
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Sebastian Gebski @nokillswit.ch · 07/09/2026
🎒 dziwne metody rozwoju MedTechu ⚕️ ... 🎒 a16z wypuszcza porównanie ekonomiczne kosztu agenta / pracownika białkowego i ... 🎒 MyDr cieknie danymi Polek i Polaków 👨‍🔧 ... 🎒 na co Nvidii HuggingFace? 🎒 lawina ogłoszoń od Cursor i Grok
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Sebastian Gebski @nokillswit.ch · 07/09/2026
A co w odcinku? 🎒 Paweł Krawczyk - pożegnalnych słów kilka od @onyszko.com 🎒 język programowania ... dla agentów - co go wyróżnia (nie, nie składnia) 🎒 @wjptak.bsky.social zastanawaia się, co buduje Jeff Dean (i garść innych weteranów Google)
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Sebastian Gebski @nokillswit.ch · 07/09/2026
🇵🇱 Wakacje 2026 przeszły już do historii i świat jakby zaczął kręcić się trochę szybciej 🌍. My tu już grzejemy Astrę do czerwoności od kilku dni, ale przecież mamy jeszcze "zaległe" Brew za poprzednie dwa tygodnie 🫸 - na szczęście już jest online 😏. Link: www.youtube.com/watch?v=2Exe...
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Elon buduje własny GitHub? SpaceX przejmuje Cursor i składa pełny stack AI | Brew #72
YouTube video by CTO Morning Coffee
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Sebastian Gebski @nokillswit.ch · 04/09/2026
[Book Review] 3 of 5 stars to Scion by James Islington www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 31/08/2026
[Book Review] 4 of 5 stars to You Die When You Die by Angus Watson www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 31/08/2026
[Book Review] 3 of 5 stars to What to Make of a Life by Jim Collins www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 30/08/2026
[No Kill Switch 810] A bunch of reverse-centaur prompts to make you thinking no-kill-switch.ghost.io/a-bunch-of-r... #nokillswitch
no-kill-switch.ghost.io
A bunch of reverse-centaur prompts to make you thinking
What’s the “reverse centaur”? I read about this concept in Cory Doctorow's last book. Paraphrasing him (clumsily): * A centaur is a setup where the human is in control, and an external factor (e.g.,...
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Sebastian Gebski @nokillswit.ch · 29/08/2026
🇵🇱 [Book Review] 5 of 5 stars to Epoka chaosu. Dlaczego świat skręca w prawo by Kacper Kita www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 28/08/2026
... questioning, challenging, and cross-checking has become the core skill of every engineer. More on rushed assumptions and why they are so problematic can be found here: no-kill-switch.ghost.io/nothing-chok... - in yet another No Kill Switch classic 📜.
no-kill-switch.ghost.io
Nothing chokes the effectiveness like silent assumptions
Experience makes you think you've gained an unquestionable license to generalizing :) At least that's what is happening regularly in my case. I tend to believe I see patterns I wasn't able to identify...
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Sebastian Gebski @nokillswit.ch · 28/08/2026
Because I believe the problem has deepened even more with the rise of LLMs 🤖. Now we additionally "assume" models (or rather their outputs) are right. And as models get better and better, our confidence in what they claim grows even higher 📈. The skill of effectively ...
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Sebastian Gebski @nokillswit.ch · 28/08/2026
I used to say that if I were to eliminate one phrase from my team's vocabulary 📖, it would be "I assume." Over-eager assuming was always the cause of more than half of our miscommunications, overdoses, and architectural mistakes 😬. Why am I returning to that?
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Sebastian Gebski @nokillswit.ch · 20/08/2026
Disagreement is good. Breaking the status quo is good. Challenging the way things are and asking for more is FREAKING great 🗣️. That's why we all should cherish the healthy, productive CONFLICT 🥊 in our organization. I hate working with people who never question / open a dispute with me.
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Sebastian Gebski @nokillswit.ch · 20/08/2026
We underestimate how many organizational problems come from ... complacency, groupthink 👣 and following the flock 🐏. That's what this No Kill Switch classic is about: no-kill-switch.ghost.io/productive-c.... Highly recommended 🎁.
no-kill-switch.ghost.io
Productive conflict: why some degree of discord is essential
I've recently read Lencioni's Five Dysfunctions of a Team [https://www.amazon.com/Five-Dysfunctions-Team-Leadership-Lencioni-ebook/dp/B006960LQW] - widely recognized classic on leadership & executive...
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Sebastian Gebski @nokillswit.ch · 20/08/2026
[Book Review] 2 of 5 stars to Biological War: A Scenario by Annie Jacobsen www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 16/08/2026
[Book Review] 4 of 5 stars to The Reverse Centaur's Guide to Life After AI by Cory Doctorow www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 15/08/2026
🇵🇱 [Book Review] 4 of 5 stars to Ja, Dago (Dagome Iudex, #1) by Zbigniew Nienacki www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 14/08/2026
[Book Review] 5 of 5 stars to The Lost World of Byzantium by Jonathan Harris www.goodreads.com/review/show/...
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Sebastian Gebski @nokillswit.ch · 13/08/2026
More on that in this (pretty old) No Kill Switch blog post: no-kill-switch.ghost.io/quit-playing... What's your take on that? Do you agree? Or, quite the contrary - do you give a "green light" 🟢 to "playing with ..."?
no-kill-switch.ghost.io
Quit "playing with". It's the goals, that drive us.
August 2015 > Me: Hey dude, how's it going? Whatcha doin'? Dude: Playing with Docker, cool stuff. Sniffing around, trying to figure out things. December 2015 > Me: Hey dude, how are things? Doin' an...
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Sebastian Gebski @nokillswit.ch · 13/08/2026
I've always found such activity (toying with a new tech without purpose or direction) useless and detrimental to the engineering culture 🪾 (as opposed to e.g., disciplined, time-boxed experimentation 🔬 aimed to answer specific questions).
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