Dmytro D.

Senior Mobile & Full-Stack Developer | Flutter, React Native, AI/LLM

I’m a Top Rated full-stack mobile developer with 10+ years of experience building production apps for iOS, Android, and web. I help founders, agencies, and product teams turn ideas, designs, and existing codebases into reliable, scalable apps. My strongest work is mobile-first products: marketplaces, SaaS platforms, fintech, health/wellness apps, IoT/BLE apps, AI-powered tools, and app rescue/takeover projects. Core development: - iOS: Swift, SwiftUI, Objective-C - Android: Kotlin, Java - Cross-platform: Flutter, React Native - Backend: Node.js, Firebase, Supabase, PostgreSQL, REST APIs - Payments/subscriptions: Stripe, RevenueCat, Apple/Google IAP - App launch: TestFlight, App Store, Google Play AI and automation: - OpenAI / ChatGPT API, Claude, Gemini - AI assistants, RAG, workflow automation, internal tools - Claude Code, Codex, Cursor, Copilot - n8n and agentic workflows How I work: - Clear daily communication - Weekly demos - Clean Git workflow - Practical architecture - Fast iteration without sacrificing maintainability - Honest feedback when a feature is too expensive, risky, or should be simplified If you need someone who can think through the product, build the app, connect the backend, integrate AI where it makes sense, and help ship to production, I’d be happy to talk.