Dutch dude in Canada | software eng @ Thatch, ex-Shopify Payments | Instant human, just add coffee | Opinions are my own

Montréal, Québec
Joined February 2010
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Bart de Water retweeted
Today, we're announcing @thatch_ai raised a $108M Series C at a $1B valuation from @thegp, @IndexVentures, @generalcatalyst, @a16z. The idea we're betting on: healthcare serves whoever controls the dollar. For 80 years that's been the employer. We think it should be you. Employers typically choose one health plan for everyone. We think there's a better model: give people a health budget and let them choose the insurance and care that fits their life. That is the idea behind Thatch. ARR has grown nearly 7x in the last twelve months, and more than 5,000 employers now use Thatch. None of this happens without our team, or without the employers who believe that their people know what their families need better than they ever could. We're building a healthcare system people love by changing how we fund it.
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Bart de Water retweeted
mini shai-hulud song
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Bart de Water retweeted
This Week in Rails....was a big one, all thanks to 31 contributors. Highlights include: - `ActiveJob::Attribute`: persist typed data between job steps without overriding serialize/deserialize - f.datalist and datalist_tag: native HTML datalist support in form builders - Rails.cache.read("key", delete: true): atomic read-and-delete for Redis (great for OTPs) - params.fetch_values(:a, :b): fetch multiple required params in one call - AR Encryption keys now readable from ENV Read all this and much more in this week's newsletter: rubyonrails.org/2026/5/8/thi…
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Bart de Water retweeted
Fintech Biz Weekly just dropped: Y Combinator & Coinbase invested in a Venezuelan sanctions evasion app linked to the Maduro regime, including, rumors say, the son of Nícolas Maduro: @kontigo_app The story is a LONG one. You know where to find it.
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Bart de Water retweeted
i am convinced that software devs have a speed problem they think the #1 issues is writing code faster... its not. its fixing the code that is already there to stop being utter garbage (as a garbage code connoisseur) quality is really lacking these days, yet quantity has never been higher
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Bart de Water retweeted
Mitchell Hashimoto
@mitchellh26 Nov 2025
Well, it has happened. Ghostty on macOS now has search. This is now in tip releases, I'm certain there's a bunch of polish and bugs to work through over the next months, but more than enough time for it to be rock solid for 1.3 next year. GTK to follow soon. Gobble, gobble. 🦃🦃
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I spent a good chunk of my flights back looking at Vernier profiles 🙊
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So excited about what the @cedarcode team has put together to help #Rails companies adopt #passkeys! Right in time for the @AuthenticateCon 🚀 If you have a RoR app and are thinking about adding passkeys as 1st or 2nd factor, checkout rubygems.org/gems/webauthn-r… and give us feedback
If you have a #ruby on #rails app and want to setup #passkeys in minutes and without diving deep into the internals and complexities, here's a blog post we did about how our new gem does it for you medium.com/cedarcode/passkey…
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Bart de Water retweeted
The American healthcare system seems hopelessly broken. It is not. Just as a small quirk in the tax code shifted retirement plans from pensions to 401(k)s, ICHRA can shift insurance from employee-sponsored to individual choice. A Deep Dive on healthcare, ICHRA, & Thatch:
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Replying to @nateberkopec
I suspect GitHub CoPilot suggesting this too. Our app uses Sorbet but unfortunately RuboCop doesn't talk to LSPs (yet) in order to safely remove this nonsense.
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I met with the POS team to understand how we could launch online and IRL payments on the same day. Turns out that processing cards has regional nuances and logistics for importing electronic hardware is complex. Came away with a new appreciation for their work.
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Shopify POS + payment terminals launched in 2013, you see these way more often in the US or Canada. In 2018-19 I worked on bringing Shopify Payments to new countries (including NLD), the #1 question from merchants was when the POS terminals would follow the online launch.
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And John's super power is recognizing a watch, he immediately got the brand and model right ⌚️ Pleasure meeting you both in person!
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Replying to @nateberkopec
Sounds like porter.run/ - still need to play with this some more
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Bart de Water retweeted
Thrilled to announce our $38M Series A led by @generalcatalyst and @IndexVentures , with participation from @a16z , @AvidVc, and @thegp!
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Friction has become the status quo in the American healthcare system, but @thatch_ai is here to change that. The company’s easy-to-use platform enables companies to offer employees the option to purchase their own plans with tax-free dollars, ultimately providing better flexibility and greater savings across the board. We’re thrilled to co-lead its $38M Series A, announced today - learn more about the company’s mission and why we’re so excited to invest.
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Replying to @nateberkopec
Feels like a lot of that integration is done client side, and can be solved with OpenTelemetry?
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European Union fines in 3... 2... 1.
This quoted post is unavailable.
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Bart de Water retweeted
“Nobody wants to live in a car free city, until they live in one.” @VelocitySeries 🎥Tristan Schachner
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