Kevlin Henney
@kevlin.bsky.social
consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
Bringing an otherworldly dimension to software failure screens, thanks to @rendle.dev
October 23, 2025 at 10:59 AM
Bringing an otherworldly dimension to software failure screens, thanks to @rendle.dev
I am officially a purveyor of some 'mad shit' 😎
October 17, 2025 at 10:31 AM
I am officially a purveyor of some 'mad shit' 😎
Join me at @newcrafts.bsky.social in Paris on 6th November for my session, Get Kata. There will be code, craft, maths, lambdas, polyglottery and warp drive.
ncrafts.io/speaker/kevl...
ncrafts.io/speaker/kevl...
October 7, 2025 at 8:46 AM
Join me at @newcrafts.bsky.social in Paris on 6th November for my session, Get Kata. There will be code, craft, maths, lambdas, polyglottery and warp drive.
ncrafts.io/speaker/kevl...
ncrafts.io/speaker/kevl...
I was hoping to plan a tube route, but the TfL site has other ideas...
October 3, 2025 at 2:59 PM
I was hoping to plan a tube route, but the TfL site has other ideas...
Aaaaand here's the response to the same search an hour later 🤪 I mean, sure, on average it's right... but... umm...
September 2, 2025 at 5:34 PM
Aaaaand here's the response to the same search an hour later 🤪 I mean, sure, on average it's right... but... umm...
Arithmetic, but not as you know it🤦♂️
September 2, 2025 at 4:41 PM
Arithmetic, but not as you know it🤦♂️
Sign up for my 2-day Code Simplification Masterclass in Paris at @newcrafts.bsky.social in November. Use this link to get a discount for both the masterclass and the main conference: ti.to/aafr/nc25/di...
August 27, 2025 at 4:45 PM
Sign up for my 2-day Code Simplification Masterclass in Paris at @newcrafts.bsky.social in November. Use this link to get a discount for both the masterclass and the main conference: ti.to/aafr/nc25/di...
Umm, no, Cesar undefined, I will not be accepting your LinkedIn request
August 22, 2025 at 3:02 PM
Umm, no, Cesar undefined, I will not be accepting your LinkedIn request
Bridging September and October, I'm at GOTO Copenhagen running a full-day masterclass on simplicity (Keeping It Simple), giving a talk (Ye Cannae Change the Laws of Physics) and, with @boicy.bovon.org, a keynote (The Way the Future Was):
gotocph.com/2025
Tickets still available, but selling well!
gotocph.com/2025
Tickets still available, but selling well!
August 21, 2025 at 10:56 AM
Bridging September and October, I'm at GOTO Copenhagen running a full-day masterclass on simplicity (Keeping It Simple), giving a talk (Ye Cannae Change the Laws of Physics) and, with @boicy.bovon.org, a keynote (The Way the Future Was):
gotocph.com/2025
Tickets still available, but selling well!
gotocph.com/2025
Tickets still available, but selling well!
This November you can catch the 3-day version of my Architecture with Agility course and workshop in London at @sddconf.bsky.social Deep Dive. This is the only time this year I'll running it as a public course, so don't miss your chance!
sddconf.com/workshop/oWx...
sddconf.com/workshop/oWx...
July 25, 2025 at 9:44 AM
This November you can catch the 3-day version of my Architecture with Agility course and workshop in London at @sddconf.bsky.social Deep Dive. This is the only time this year I'll running it as a public course, so don't miss your chance!
sddconf.com/workshop/oWx...
sddconf.com/workshop/oWx...
Just got reminded of this response I made 7 years ago on FB
July 24, 2025 at 1:15 PM
Just got reminded of this response I made 7 years ago on FB
June 14, 2025 at 10:10 AM
When you sort countries by their 2-letter ISO 3166-2 code rather than by their presented name...
June 6, 2025 at 7:19 AM
When you sort countries by their 2-letter ISO 3166-2 code rather than by their presented name...
I was asked to write a story for @physicsworld.bsky.social commemorating the centenary of quantum theory. You can find it on pages 56-57 of their Quantum Briefing (physicsworld.com/p/magazine/a...) and in the attached image.
May 21, 2025 at 7:23 AM
I was asked to write a story for @physicsworld.bsky.social commemorating the centenary of quantum theory. You can find it on pages 56-57 of their Quantum Briefing (physicsworld.com/p/magazine/a...) and in the attached image.
There's a lot of talk about 'vibe coding' at the moment. Andrej Karpathy's tweet that introduced the term is often mentioned. I suspect, however, that many people who are promoting the idea in the context of commercial product development may not have read the whole tweet.
April 1, 2025 at 9:25 AM
There's a lot of talk about 'vibe coding' at the moment. Andrej Karpathy's tweet that introduced the term is often mentioned. I suspect, however, that many people who are promoting the idea in the context of commercial product development may not have read the whole tweet.
Spotted this in the lift at the #UmbracoSpark conference. It was Friday 7th March not Monday 1st January. And it was definitely not midnight.
March 9, 2025 at 11:19 AM
Spotted this in the lift at the #UmbracoSpark conference. It was Friday 7th March not Monday 1st January. And it was definitely not midnight.
Good start to the day 🙃
January 29, 2025 at 10:36 AM
Good start to the day 🙃
I'm speaking at the OOP conference in Munich in February. Get a 15% discount with voucher code OOP25_Henney.
December 17, 2024 at 10:56 AM
I'm speaking at the OOP conference in Munich in February. Get a 15% discount with voucher code OOP25_Henney.
Join me at @gotocon.com GOTO CPH 2025 with this early ticket offer
December 16, 2024 at 12:24 PM
Join me at @gotocon.com GOTO CPH 2025 with this early ticket offer
Posted without comment... and without number
November 19, 2024 at 7:03 PM
Posted without comment... and without number
If it takes 28 days for a change in communication preferences to take effect, your software architecture has some *serious* issues
November 19, 2024 at 8:51 AM
If it takes 28 days for a change in communication preferences to take effect, your software architecture has some *serious* issues
I'm speaking at Agile in the City: Bristol (bristol.agileinthecity.net) in a couple of weeks. You can get a discount using the code 10Kevlin. See you there!
October 22, 2024 at 10:30 AM
I'm speaking at Agile in the City: Bristol (bristol.agileinthecity.net) in a couple of weeks. You can get a discount using the code 10Kevlin. See you there!
I'm speaking at Build Stuff in Vilnius in November. You can join online or onsite with promo code 'henney' — numbers are limited!
September 27, 2024 at 10:17 AM
I'm speaking at Build Stuff in Vilnius in November. You can join online or onsite with promo code 'henney' — numbers are limited!
I'm speaking at Testflix next month, a free online conference
www.thetesttribe.com/testflix/
www.thetesttribe.com/testflix/
September 25, 2024 at 9:19 AM
I'm speaking at Testflix next month, a free online conference
www.thetesttribe.com/testflix/
www.thetesttribe.com/testflix/