k
ka1yaa

Illia

@ka1yaa

Mobile, Web, AI Development

Ukraine
English, Russian, Ukrainian
About me
👋 𝗛𝗲𝗹𝗹𝗼! I'm Illia, a mobile & web developer with 5+ years of experience and 15+ apps shipped to the App Store and Google Play. 📱 Flutter & FlutterFlow apps for iOS and Android 🌐 Websites & web apps in React and Next.js 🤖 AI features with OpenAI, Claude, and Gemini 💾 Firebase, Supabase, REST APIs, Stripe, RevenueCat ✅ From MVP to store release: honest estimates, clear updates, and clean code you own. 🎓 MSc in Computer Science 💬 Message me with your idea and let's discuss it!... Read more

Skills

k
ka1yaa
Illia
Offline • 

See my services

Cross-Platform Development
I will develop a mobile app in flutter for ios and android
From$250 / projectMore details
Cross-Platform Development
I will build or finish your flutterflow app
From$200 / projectMore details

Work experience

Software_Development Company, Mobile App & Web Development Service

Lead Flutter & Full-Stack Developer (Mobile, Web, AI)

Software Development Company, Mobile App & Web Development Service • Full-time

Jul 2021 - Present • 5 yrs 4 mos

Led client projects end-to-end, from estimation and architecture to development, store release, and support, for startups and businesses in e-commerce, delivery, health & fitness, booking, and social apps. 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 (Flutter & FlutterFlow) - Built and released 15+ cross-platform apps for iOS and Android with 100K+ downloads - Launched MVPs in 2–4 weeks, so clients could validate ideas with real users fast 🔥 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 - Firebase: Auth, Firestore, Cloud Functions, Storage, push notifications (FCM), Analytics, Crashlytics, Remote Config - Supabase: Postgres, Auth, Row-Level Security, Edge Functions, Realtime, Storage - Payments and subscriptions with Stripe and RevenueCat, generating $260K+ in annual revenue for clients 🌐 𝗪𝗲𝗯 𝗮𝗽𝗽𝘀 - React and Next.js websites, admin panels, dashboards and SaaS products 🤖 𝗔𝗜 & 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 - AI features with OpenAI, Claude, and Gemini, including assistants trained on company data (RAG) - n8n, Make, and Zapier workflows that save teams 20+ hours per week