Kevlin Henney
@kevlin
consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
I'm speaking at @kandddinsky.bsky.social 2026 in Berlin this October. 14-15 October, Park Inn at Alexanderplatz. Early-bird tickets are 800 EUR until this Friday, 31 July. After that they go up to 950 EUR. kandddinsky.com #KanDDDinsky #DDD #DomainDrivenDesign
Really enjoyed reading at The BookCellar's first open mic event last night (Stokes Croft, Bristol). I read four flash fictions: 'Once the Storm Had Passed' (lnkd.in/e9imVW_6), 'Neil Armstrong Jones' (lnkd.in/e4fkkWPh), 'Spring Flight' (lnkd.in/eMcmsbHc) and 'No Carbonara'.
I'll be talking about Principle Misunderstandings at C++ Online @cpponline.bsky.social Join me with a 10% discount code: CPPONLINE2026S cpponline.uk/registration
I'm speaking at Voxxed Days CERN in a couple of weeks! vdc26.voxxeddays.ch
Much Ado About Nothing at Umbraco Spark Join me on 20th March in Bristol where I'll be giving a short talk on nothing. Representing the absence of something in code or data takes more than zero effort. www.tickettailor.com/events/umbuk...
Hmm, 'addictive' is a poor wording choice. There are many things one might want from software infrastructure, but addiction is probably not one of them. Dependencies should be minimal and manageable, not unhealthy and uncontrollable.
Bringing an otherworldly dimension to software failure screens, thanks to @rendle.dev
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...
Aaaaand here's the response to the same search an hour later 🤪 I mean, sure, on average it's right... but... umm...
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...
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!
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...
My last two weeks on Instagram: Stockholm · Tallinn · Helsinki instagram.com/kevlin.henney
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.
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.
I'm speaking at the OOP conference in Munich in February. Get a 15% discount with voucher code OOP25_Henney.
If it takes 28 days for a change in communication preferences to take effect, your software architecture has some *serious* issues