Software engineer in rural exile, working on Bombadil at @antithesishq. Generative testing, web, graphics, and systems programming. Also Bach and mandolin.
Sweden
- Tweets 13,172
- Following 793
- Followers 5,998
- Likes 16,153
Pinned Tweet
Wake now, my merry friends! Forget the nightly noises! Ring a ding dillo del!
I recently joined Antithesis, where I'm building a new browser testing framework called Bombadil.
We're doing this openly, no stealth mode shenanigans this time: github.com/antithesishq/bomb…
20
29
263
41,751
More perf work this week. Bombadil now tests TodoMVC at ~30 states per second on my workstation. With 16 workers it's slightly slower but in total it's nearly 1M states per hour. Full browser and LTL specs. I find this pretty amazing.
1
12
454
I feel like it'd be a pretty good investment to spend a week or so to learn all of `rg`'s options and flags. Just to become very good at searching logs, which is a superpower.
6
31
1,722
Anyone I know going?
Next week Bug Bash crosses the Atlantic!
We're in Copenhagen for Bug Bash Europe on 30 Sep alongside GOTO CPH, along with speakers from Pony, Github, Netflix, Canonical, and Fly. Come for the talks, stay for the hallway track.
Tickets: antithesis.com/bugbash/europ…
1
3
462
Oskar Wickström retweeted
"We won, what now?" was an excellent keynote from Will Wilson at BugBash on how communities should deal with change.
When I first watched it, I thought that more fuzzing/property-based testing were too low of a baseline. But, after digesting it, I have to agree they are good starting points. Especially for higher level tools such as the Bombadil project they announced during the event.
After all, we can't formally verify all software and therefore we have to combine empirical validation, static properties, and runtime enforcement.
Video: antithesis.com/bugbash/talks…
4
15
108
9,950
open.spotify.com/track/3Qi7y…
No. WAY.
The final piece of the puzzle. @VikingurMusic
1
319
Oskar Wickström retweeted
We're hiring developers to work on Hegel (property-based testing for ~every language) in London with me, and are struggling a bit to source candidates, so I wrote a less professional post about why this is the coolest job ever and you should apply.
drmaciver.com/2026/09/come-w…
32
58
428
54,089
8 parallel workers (and Chromium processes) with a simple interactive CLI dashboard, exploring TodoMVC. It's getting really interesting...
1
1
13
1,130
Oskar Wickström retweeted
Two years at DoorDash. I do not say this lightly.
We are extremely close to the burrito arriving before you decide you want it.
We are not asking for a ban. We are asking for a pause.
246
1,104
33,501
2,224,614
