Available for work — based in Brazil

Hi, I'm Johan.I build full-stackproducts.

Full-stack developer building AI-powered, accessible web experiences. Based in Brazil.

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Selected Work

Things I've built that I'm proud of.
Embaixadinha

October 2026 - Present

Embaixadinha

Native iOS football juggling tracker with on-device ball detection and pose tracking. Counts touches, saves pr…

SwiftUISwift 6Core MLVision
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Stack Cards Sort

September 2026 - Present

Stack Cards Sort

Native iOS color-sorting puzzle built with SwiftUI and SpriteKit. Features deterministic, solvable levels, a h…

SwiftUISwift 6SpriteKitStoreKit 2
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WakeProof

August 2026

WakeProof

iOS alarm app that makes it impossible to sleep through. Wake-up challenges (Math, Shake, Memory, Steps, Sound…

SwiftUISwift 6AlarmKitSwiftData
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SWARM NYC

February 2026

SWARM NYC

Custom WordPress theme for SWARM, a digital product consultancy. A responsive agency website presenting servic…

WordPressCustom Theme DevelopmentPHPJavaScript
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About

Full-StackDeveloper

I'm a full-stack developer from Brazil building AI-powered applications, real-time systems, and accessible web experiences.

I combine more than a decade of web development experience with emerging AI technologies to create production SaaS platforms that solve real-world problems. Accessibility is central to how I build for the web.

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Writing

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