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Vadim S.
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Vadim S.

React Native Developer | Mobile App Developer | AI App Development

πŸš€ Top React Native & AI-Powered Mobile Development Expertise πŸ€– Building AI-native mobile applications, intelligent assistants, and scalable SaaS products ⚑ Accelerating MVP delivery by 30–40% using AI-assisted engineering workflows πŸ“± 5+ years of React Native experience delivering cross-platform applications for startups and growing businesses πŸ”§ Working with OpenAI, Claude, Gemini, AI Agents, LLM integrations, automation workflows, and modern AI tooling 🌎 Delivered mobile products across Healthcare, Fitness, FinTech, SaaS, eCommerce, Marketplaces, and Enterprise domains Welcome! πŸ‘‹ I'm a Senior React Native Engineer specializing in AI-powered mobile products, cross-platform application development, and scalable SaaS solutions. Over the last 5+ years, I've helped startups and product teams launch mobile applications used by thousands of users worldwide. My focus goes beyond coding β€” I help design scalable architectures, integrate AI capabilities, and bring products to market faster using modern AI-assisted development workflows. πŸš€ AI-FIRST MOBILE DEVELOPMENT βœ” OpenAI, Claude, Gemini, and custom LLM integrations βœ” AI-powered chatbots and virtual assistants βœ” AI Agents and workflow automation βœ” Text, image, document, and voice processing βœ” RAG-based knowledge systems βœ” AI-powered search and recommendations βœ” Healthcare AI, SaaS AI, and productivity applications βœ” Rapid AI MVP development and validation πŸ“± MOBILE DEVELOPMENT EXPERTISE βœ” React Native & Expo βœ” TypeScript & JavaScript βœ” iOS & Android development βœ” Firebase & Supabase βœ” REST APIs & GraphQL βœ” Offline-first architectures βœ” Push notifications βœ” Authentication systems βœ” Payment integrations βœ” Maps & geolocation services ⚑ PRODUCT & ENGINEERING IMPACT βœ” 30–40% faster delivery through AI-assisted development βœ” Production-ready scalable architectures βœ” Clean, maintainable codebases βœ” Strong focus on performance optimization βœ” Product-oriented engineering approach βœ” Long-term scalability and growth mindset 🎯 WHAT CLIENTS VALUE βœ” Deep React Native expertise βœ” AI-native product thinking βœ” Fast execution without sacrificing quality βœ” Transparent communication βœ” Strong ownership mentality βœ” Ability to bridge product, business, and engineering goals Whether you're building an AI-powered startup, SaaS platform, marketplace, healthcare application, or mobile MVP, I'm ready to help transform your idea into a scalable, production-ready product.

πŸ‡ΊπŸ‡¦Kropyvnytskyy, Ukraine$45/hr100% JSS4.46 (4)Since Oct 2020
GlobeUpwork
MRR
$2,083
🌍#21.3K/363K
πŸ‡ΊπŸ‡¦#1,276/12.9K
Recent Earnings
$12,500
🌍#21.3K/363K
πŸ‡ΊπŸ‡¦#1,276/12.9K
Total Earnings
$85,538
🌍#43.3K/363K
πŸ‡ΊπŸ‡¦#2,858/12.9K
Avg. Per Project
$9,504
🌍#15.7K/363K
πŸ‡ΊπŸ‡¦#1,121/12.9K
Recent Projects
2
0f2h
🌍#193K/363K
πŸ‡ΊπŸ‡¦#7,922/12.9K
Total Projects
9
0f10h
🌍#193K/363K
πŸ‡ΊπŸ‡¦#7,922/12.9K
MRR Performance Over Time
$50k$25k$0
6 mo ago3 mo agoNow
Coming SoonGathering historical data
World Skill Rankings
of 765
#67
Native App DevelopmentTop 9%
#120Smartphone
#187AI Mobile App Development
#216Redux
#319iOS
#351Android
#469Firebase
#477Android App Development
#518CSS 3
#535iOS Development
#669Vue.js
#697Mobile App Development
#799MongoDB
#804HTML5
#858React Native
#1,351TypeScript
#1,519PHP
#2,066Node.js
#2,605React
#2,938JavaScript
πŸ‡ΊπŸ‡¦Ukraine Skill Rankings
of 56
#12
Native App DevelopmentTop 20%
#13AI Mobile App Development
#30Smartphone
#49Android
#49iOS
#56Android App Development
#58Firebase
#59iOS Development
#69Redux
#78Mobile App Development
#97React Native
#106MongoDB
#112CSS 3
#112Vue.js
#156HTML5
#173TypeScript
#197PHP
#227Node.js
#297React
#430JavaScript
Vadim S. β€” Top 10% in Ukraine | UpworkMRR