Sergio Pereyra
SaaS & Mobile Product Rescue | React Native, AI, Full Stack
- $1k+
- Earned
- 3x
- Hired
- 5.00
- Rating
- 50
- Followers
Took Beepr from Capacitor WebView prototype to production React Native + Expo Bare.
Audited 51 Supabase Edge Functions, rebuilt background geolocation for native, added PostGIS.
Zero downtime. 100% background geolocation reliability.
If your app outgrew its prototype, DM me.
Something I keep relearning after 20 years of delivery work: the clients who close fastest are the ones who were already reading me before they reached out.
Not cold leads. People who saw how I handled a broken launch or a production fire, sat with it for a while, and messaged...
One thing I learned migrating a mobile product from a WebView MVP to React Native: the hardest problems usually aren't the screens.
On Beepr, the real blockers were background execution, geolocation reliability, push notifications, slow geospatial queries, and backend logic that...
Is your SaaS, AI, web, or mobile product delayed, unstable, or difficult to coordinate?
Start with a paid Rescue Assessment. I’ll identify the main delivery bottleneck, major risks, recommended next steps, and a realistic delivery plan and estimate.
It’s designed for founders...
What does it take to build a SaaS product that generates $250K in its first 60 days?
For NextBlock, the challenge wasn’t simply building an API. It was turning a clear technical vision into a product that developers could adopt quickly and paying customers could trust.
The product...