Jonatã Oliveira

Full stack developer

Websites and apps built with care, from first sketch to launch.

I'm Jonatã, a full stack developer for over ten years. I design, build and ship websites, web apps and iOS/Android apps.

Let's talk Available for new projects

Selected work

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  1. 01 LoveMemo Romantic surprises in a QR code iOS app + Web · 2025
  2. 02 NutriAI AI-powered nutrition guide iOS & Android app · 2025
  3. 03 ShopEasy Grocery lists and savings iOS app · 2024
  4. 04 Cligenda Scheduling for medical clinics Web app
  5. 05 iCotei Parts quotes from suppliers iOS & Android app · 2025
  6. 06 Dilauren Genuine leather bags e-commerce Online store

How I can help

iOS and Android apps
Native apps with React Native and Expo, shipped to the App Store and Google Play, with payments, notifications and subscriptions.
Websites and landing pages
Fast, responsive, search-friendly websites built to present your business and turn visitors into customers.
Web apps and SaaS
Dashboards, scheduling, management tools and subscription products with React, Next.js and APIs on Node.js or Cloudflare Workers.
Online stores
E-commerce on WordPress and WooCommerce with custom themes, payment gateways and integrations.
AI integrations
Assistants, automations and smart features built into your product — from WhatsApp customer service to image analysis.
Maintenance and evolution
I take over existing projects to fix, modernize and add features without starting from scratch.

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Contact

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Tell me what you need and I'll get back to you with next steps and an estimate.