Full stack web developer, currently using React/Apollo/Next.js/Prisma. Principle Eng @Shopify

Joined September 2017
7 Photos and videos
Craig B. retweeted
Mar 16
All the right people are excited about this one. Beautiful idea.
1/4 LLMs solve research grade math problems but struggle with basic calculations. We bridge this gap by turning them to computers. We built a computer INSIDE a transformer that can run programs for millions of steps in seconds solving even the hardest Sudokus with 100% accuracy
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Craig B. retweeted
Mar 12
OK, well. I ran /autoresearch on the the liquid codebase. 53% faster combined parse render time, 61% fewer object allocations. This is probably somewhat overfit, but there are absolutely amazing ideas in this.
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Craig B. retweeted
Mar 12
This is how you do it
I bought a football club couple months ago. I took on their merchandising. Of course I switched to Shopify. This is how my phone looks on matchday now. We made 50% of last year’s sales in our first 3 games. Of course I had “buy 2, get 1 free” bundle offer set up 😎 And we haven’t launched our online store yet!
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Craig B. retweeted
Love that we’ve brought more merchant visibility in their apps because you should know what is happening with your store and your data.
Today, we're starting to give merchants more visibility into what their apps are doing: API activity, data privacy details, and permission history, all in Settings > Apps. Details for developers: community.shopify.dev/t/merc…
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Craig B. retweeted
Mar 10
qmd 2.0 is out. You can now use it in as a library with stable interface. Much easier to integrate. And all the other interfaces (cli, mcp, http) are now implemented in terms of that library, so that make the whole thing simpler.
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Craig B. retweeted
Sidekick is your AI Co-founder that's always there for you, no matter where you are. Vibe entrepreneurship on the go!
What @MrBeast said. Sidekick changes entrepreneurship. It understands your store, @Shopify, and commerce at scale. An AI cofounder in your pocket. Data, growth, ops. And everything else you need to run a business. Personalized. With voice mode, you run your business from your phone. Decisions in seconds. Scale in weeks. Powered by 20 years of Shopify intelligence. Only we could build this.
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Craig B. retweeted
Feb 11
it's going ok
Shopify’s Q4 2025 earnings are out. The headlines: → We now power more than 14% of the US ecommerce market → GMV is up 29% to $378B → Revenue is up 30% to $11.5B → Free cash flow exceeded $2B → Q4 was our first quarter above $3B in revenue But 2025 wasn’t just about growth, it was about building for what’s next. AI is changing how people shop. Merchants are racing to meet it. And we plan to keep powering them. Watch the video for more.
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I wanted to see the current state of the video generation models so I challenged myself to make an #AbsoluteWonderWoman fake trailer, I wanted something that wasn't the typical just walking at the camera, shot for shot for the first issue. youtu.be/6h7xOIP7Qbs
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Craig B. retweeted
Jan 27
Shop app 🚀
Jan 27
3 new features in the Shop app: dynamic storefronts shoppable videos deals feed yes, yes, and yes 👇
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Craig B. retweeted
We've been part of the @Shopify partner community for almost 10 years now First by building our own brands, then by building apps for the App Store, and then as an agency helping brands of all shapes and sizes succeed One of the common denominators in all of these moments has been how supportive and involved Shopify has been with us, all with the common goal of making the experience great for merchants and for us as partners Taking feedback, acting quick, teaching us, collaborating together, and solving problems Excited for this relentless focus on making it the best partner ecosystem out there LFG @atleeclark, @harleyf, and team
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Good discussion in the comments.
Seems like UI animations should always be physics-based springs, not rigid bezier curves over time. Every animation can be interrupted with the next user event, network response, scroll, etc. Bezier curves have to just stop and then go to the next value, springs fluidly adjust
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Craig B. retweeted
So many people don’t understand what pixels really do. When someone asks for a list and identities of your customers, promising “optimization,” and then sends no traffic in return, you know which side they’re on.
Shopify is always on the merchants’ side. We are starting to roll out an improvement, protecting them from data leakage.
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Craig B. retweeted
Shopify is always on the merchants’ side. We are starting to roll out an improvement, protecting them from data leakage.
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Craig B. retweeted
The problem with having lunch at @cursor_ai isn’t that you have to take off your shoes — although you do It’s that most folks are very smart AND born after 2000 🤯
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Craig B. retweeted
27 Dec 2025
Replying to @bcherny
@bcherny since you take suggestions: I'd love to be able to run md files interpreted as commands directly from the shell. # claude ./refactor.md "...." In fact i'd bind claude to run all my md files via zsh `alias -s md='claude'` if you do that!
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Craig B. retweeted
26 Dec 2025
This seems correct. With massive implications.
Agency > Intelligence I had this intuitively wrong for decades, I think due to a pervasive cultural veneration of intelligence, various entertainment/media, obsession with IQ etc. Agency is significantly more powerful and significantly more scarce. Are you hiring for agency? Are we educating for agency? Are you acting as if you had 10X agency? Grok explanation is ~close: “Agency, as a personality trait, refers to an individual's capacity to take initiative, make decisions, and exert control over their actions and environment. It’s about being proactive rather than reactive—someone with high agency doesn’t just let life happen to them; they shape it. Think of it as a blend of self-efficacy, determination, and a sense of ownership over one’s path. People with strong agency tend to set goals and pursue them with confidence, even in the face of obstacles. They’re the type to say, “I’ll figure it out,” and then actually do it. On the flip side, someone low in agency might feel more like a passenger in their own life, waiting for external forces—like luck, other people, or circumstances—to dictate what happens next. It’s not quite the same as assertiveness or ambition, though it can overlap. Agency is quieter, more internal—it’s the belief that you *can* act, paired with the will to follow through. Psychologists often tie it to concepts like locus of control: high-agency folks lean toward an internal locus, feeling they steer their fate, while low-agency folks might lean external, seeing life as something that happens *to* them.”
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Craig B. retweeted
16 Dec 2025
The coolest products in the world are all shipping from Shopify stores. 🤯
Can't get over how crazy this is 🤯@finalmouse
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