Brotzky

@brotzky • 20,023 subscribers

Web @Wealthsimple, Writing https://t.co/MloZe5FzQp, Co-founder https://t.co/aNlOFZiVLA (acq. by @Wealthsimple). An engineer that loves design.

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Brotzky

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One year ago, Wealthsimple acquired Fey. Here's what it's actually been like as founders: what we built, what surprised us, and what's next.

Can you prompt this into existence?

Chat might be one of hardest UIs to build. - Rich text editor - Stream/pause/refresh data - DOM weight - Scroll position - Markdown/Custom UI Easy to build but hard to get right. Just getting this scroll restoration perfect was brutal 👇

This keeps blowing my mind 🤯 Any searches you can think of? I'll try them now.

Drag and drop ✨ Never roll your own. It's always a mistake. So what do we use?

Of course Keita Yamada had a web 'liquid glass' demo in 2019 🐐🇯🇵!

We ship more with 3 people than with 6, 12, 24, 48. Work with your best friends. Make jokes. Ship often.

Charting in Fey is here 📈 We made the complex look simple! Let me show you how:

Added a configurable image grid to my editor 💅

We've launched Manual Portfolios in Fey! Say goodbye to your clunky excel sheet 👋

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"AI slop" or "vibe coding" is so wrong. I spent the weekend making my site stupid fast. Results? Instant page loads, no stale data, and the fastest app I've ever built. All the little details 🧵

I also obsessed over the Electron cold start. Now my Stocks app opens and loads in 300ms. Here's a comparison between 3 different apps:

For your stacked elements: Stop using border or box-shadow. Start using mask.

AI has completely changed how I work. Over the weekend I built myself a personal investment tool without opening an IDE or Figma. It has agents, chat, fundamentals, screener, and so much more. All perfectly customized to my needs. And it's insanely fast and fun to use.

Drag any part of the chart to get exact performance 📈 Here's how we built it:

Building a Stock Screener is incredibly complex. The amount of data you need is only half the equation. You also have to make it searchable and simple to use. What’s the trick to ours?

Building the best Stock Chat UI. Just added 8 chart types: line, bar, stacked, donut, drawdown, EPS, gauge, and grouped. All interactive, performant, and beautiful.

Another project in the works! Built a custom editor for it, obviously.