Joni Kay · Mobile Developer · 14 Years · Freelance

If it runs on a phone, I can build it, integrate it, and maintain it.

Crypto wallets · 3D/VR/AR · API Integration. Pixel-perfect from Figma.

Always online, deeply integrated with design & QA teams.

I can support architectures such as MVVM, MVP, MVI, MVC, and Bloc.

AI integrations and prompt integration along with programming.

Technologies I can support

Native precision

iOS (Swift/SwiftUI/UIKit, SceneKit/ARKit) · Android (Java/Kotlin, Compose, Material Design). Performance-first craftsmanship.

Cross‑platform velocity

Flutter · Dart · HTML based when needed. Ship to both stores with shared logic, native look and feel.

AI engineering

OpenCode · ClaudeCode · Deepseek · GLM — accelerated development, cleaner code, faster problem-solving.

Integration & teamwork

QA testers · designers · backend/frontend squads · PMs · code reviewers. Beyond working hours, fully synchronous.

SKILLS & TOOLS

SwiftUI Jetpack Compose ARKit/SceneKit AI Prompt engineering BLoC Swift Kotlin Flutter/Dart UIKit Compose Room/SQLite Firebase GraphQL Web3/Crypto Git/GitHub