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Evhen P.
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Evhen P.

React Native Developer & Mobile App Development iOS Developer Firebase

📱 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 · 𝟭𝟬𝟬% 𝗝𝗦𝗦 · 𝟳𝟬+ 𝗮𝗽𝗽𝘀 · 𝟱 𝘆𝗿𝘀 · 𝗹𝗶𝗳𝗲𝘁𝗶𝗺𝗲 𝘄𝗮𝗿𝗿𝗮𝗻𝘁𝘆 𝗼𝗻 𝗲𝘃𝗲𝗿𝘆 𝗮𝗽𝗽 𝗜 𝗱𝗲𝗹𝗶𝘃𝗲𝗿 Clients come to me when the app needs to work - not just launch. Whatever it takes: complex state management, real-time sync, API integration, HIPAA flows, wearables, in-app purchases, AI features - I've shipped all of it. Every line still mine to support. 👉 𝗖𝗹𝗶𝗰𝗸 𝗛𝗶𝗿𝗲 𝗼𝗿 𝗜𝗻𝘃𝗶𝘁𝗲 to work with a React Native Developer and iOS Developer who owns the product, not just the sprint. 🎯 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧 ✔️ As a React Native Developer and iOS Developer with 70+ shipped apps - complex state, real-time sync, third-party APIs, HIPAA-sensitive data flows, wearable integration. Not a prototype - a product that holds in production. ✔️ As a Mobile App Development React Native specialist - one TypeScript codebase, iOS and Android, App Store and Play Market. Firebase, Redux, push notifications, subscriptions. 40–60% faster launch than split native teams. ✔️ As a Mobile App Developer and React Native Developer for long builds - 6–18 months, mobile app redesign, scaling live codebases. 100% client retention across 5 years. ✔️ As a full stack developer react native - Node.js, REST APIs, Firebase, end-to-end mobile app development. 🔥 𝗔𝗖𝗛𝗜𝗘𝗩𝗘𝗠𝗘𝗡𝗧𝗦 ✔️ 5 years · 70+ apps as a React Native Developer and Mobile App Developer - Healthcare, Wellness, Fitness · US, EU, global. ✔️ 30–45% better retention across 15+ Mobile App Development React Native builds - wearable sync, HIPAA-compliant. ✔️ 40–60% faster time-to-market as a Mobile App Developer and iOS Developer vs split native teams - one codebase, full parity. ✔️ 2x faster onboarding as a Mobile App Developer - smart flows, push notifications, subscription logic. ✔️ 100% satisfaction · Mobile App Developer lifetime code warranty across every engagement. 🚀 𝗪𝗛𝗘𝗥𝗘 𝗜 𝗗𝗘𝗟𝗜𝗩𝗘𝗥 ✔️ Patient engagement, wearable & sensor sync, HIPAA-sensitive data - as a React Native Developer this is core territory. 15+ Healthcare Mobile App Development React Native products shipped. ✔️ Fitness booking, real-time workout sync, athlete health tracking - as a Mobile App Developer and iOS Developer for sports and wellness, apps users open daily. ✔️ Corporate wellness - Mobile App Development React Native: react native expo, react native developer expo, react native tailwind UI, multi-role, subscription-driven, production-grade. ✔️ AI wardrobe, lifestyle, and consumer products - react native app developer work across react native mobile, react native engineer, mobile application developer builds where UX drives retention. ✔️ E-Commerce and shopify mobile app builds - mobile app design, mobile app development as a Mobile App Developer delivering Mobile App Development React Native with 20–30% better conversion. 🏆 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗬 𝗩𝗘𝗥𝗧𝗜𝗖𝗔𝗟𝗦 ✔️ Healthcare & Clinical - React Native Developer and iOS Developer: HIPAA patient platforms, wearable sync, clinical-grade UX. 30–45% adherence. ✔️ Fitness & Sports - Mobile App Developer and iOS Developer: real-time sync, booking, Strava API. 2x onboarding. ✔️ Corporate Wellness - Mobile App Developer: Mobile App Development React Native for EU-market B2B, multi-role. 25–35% engagement. ✔️ AI & Lifestyle - React Native Developer: AI wardrobe, bubble-style UX, react native mobile consumer products. ✔️ E-Commerce & Shopify - Mobile App Developer: shopify mobile app, mobile app design, Mobile App Development React Native that converts. ⚒️ 𝗛𝗢𝗪 𝗜 𝗕𝗨𝗜𝗟𝗗 ✔️ 70+ apps as a React Native Developer: React Native, React, JavaScript, TypeScript, Redux, Firebase, Node.js, REST APIs, react native expo, react native tailwind - full Mobile App Development React Native stack. ✔️ Native layer as an iOS Developer and Android specialist: iOS Development (Swift, HealthKit, App Store), Android App Development (Kotlin, Google Fit, Play Market), Smartphone, Native App Development. ✔️ UI layer: HTML, HTML5, CSS, CSS3, CSS 3, Responsive Design, Mobile App Design, Web Design - react developer and web developer-aware patterns. ✔️ Backend & data as a full stack developer react native: Node.js, MongoDB, SQL, PHP, Python, Laravel, WordPress, Vue.js, Angular, Java, Git, Software Architecture & Design, Software Development, Debugging. ✔️ Ecosystem: Flutter, flutter developer App Development, Mobile App Redesign, Desktop Application, Shopify, Web Development, python developer tools, business analyst-grade ownership. 🔹 Lifetime warranty - every bug on my side fixed, no questions asked, for as long as your app is live. 🔹 Full ownership as an iOS Developer and React Native Developer - architecture, build, App Store & Play Market. 🔹 React Native Developer · iOS Developer · Mobile App Developer · Mobile App Development React Native · 70+ apps · 100% JSS. Building a mobile product on React Native? Message me 💬

🇺🇦Khmelnytskyi, Ukraine$35/hr100% JSS5.00 (18)Since Jan 2024
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Earnings and projects

MRR
$587

Last 6 months ÷ 6

World#71,253 / 412k
🇺🇦Country#2,844 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $3.5k

Total earnings
$46k

Billed in all: $47k

World#81,498 / 412k
🇺🇦Country#4,644 / 14.3k
Per project
$2.4k

$1.8k in the last 6 months

World#66,568 / 412k
🇺🇦Country#3,511 / 14.3k
Projects, last 6 months
2
100% fixed0% hourly
World#88,921 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
19

Across 25 contracts

32% fixed68% hourly
World#138,389 / 412k
🇺🇦Country#5,834 / 14.3k

Earnings, last 30 days

$47.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$46.5k$47.0k$47.5k$48.0kOct 8Oct 23Nov 7

Dotted: longer than usual between two readings.

Skill rankings: Top 11% in Redux

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  8. #799Git5,766 freelancers · 🇺🇦 #130Top 14%