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It only takes 3 backend engineers to process $140M every month.
Shoutout Rails.
00:00
Jack Sharkey
1,206 posts
Jack Sharkey
@jsharkey
Co-Founder / CTO @whop - where the internet does business. Always hiring world-class builders, dm me
- We've improved our iOS loading time by 99.8% That’s 904 ms → 2 ms (p75)
00:00 - Cursor is killing your ability to think for yourself. Before you can architect a solution, AI throws slop on the screen as you blindly hit tab. You spend the next 30 minutes debugging why the code doesn’t work or compile. In the end, you learned nothing. Two engineers on our
- Most companies ban side projects. We kicked 4 engineers out of standup today because they didn’t have one. Every engineer needs a personal whop with 15+ users to stay. If you can’t build for yourself, you can’t build for anyone.
- Replying to @jsharkeyHow? We implement a sync engine to store all your data in a local SQLite db. Upon app launch, we start observing the database to render your whop sidebar. Simultaneously, a background task fetches a snapshot of the data needed to render each inner whop. When you click the
- Replying to @KosherPlug
- “Rails doesn’t scale” Whop does $1B+/yr, 150k RPM, real-time chat, notifications, payments, and live streaming — all on Rails. Maintained by 5 backend engineers. See you at #RailsWorld.
- We successfully moved 750GB of production data from Postgres to PlanetScale — with zero downtime. We've been scaling fast, especially with real-time features like chat, notifications, and our feed. Our DB has always been the bottleneck — we've gone down from a 10,000-personKicking off another zero-downtime DB cutover this week. Our third in two years. Goodbye Postgres—it’s been real.
- The @vercel team has been a great partner to Whop Engineering. They are always available to debug and solve our complex, critical issues. Recently, we’ve hopped on several calls with their lead engineers; they all deeply care about what they’re building. Excited for the
- RIP to the 9-5 (1926-2025)🪦 The real economy exists on the internet.It’s time for my biggest move yet…. @whop
00:00 - Just saw Zuck outside the original facebook office. Surreal moment.
