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Maksym D.
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Maksym D.

Mobile App Development | iOS | Android | React Native | Flutter

I am a Mobile App Developer specializing in iOS & Android development with Flutter and React Native. For 10+ years, I’ve been helping startups and businesses launch scalable, high-performing mobile applications that users love. From Flutter iOS app development to Android React Native solutions, I build cross-platform apps that combine clean UI/UX with powerful backend integrations. My Expertise in Mobile Development — Flutter App Development (iOS & Android) — React Native App Development (cross-platform) — API integration (Firebase, REST, GraphQL, Twilio, Agora, Stripe, Mapbox) — Real-time features: chat, notifications, live streaming, geolocation — Scalable backends with Node.js, Django, Laravel, AWS, and CI/CD pipelines — UI/UX design for mobile apps (Figma, animations, smooth interactions) Industry Specializations — Healthcare Apps: telehealth, patient data tracking, HIPAA-compliant systems, weight management. — FinTech Apps: mobile wallets, banking dashboards, blockchain solutions — E-Commerce & Booking: secure payments, inventory, scheduling — Social & Media: live streaming, podcasts, video platforms — IoT & Wearables: fitness apps, Bluetooth/NFC integrations Why Clients Choose Me — 10+ years of mobile & web development experience — Proven expertise in Flutter & React Native for iOS/Android apps — Strong background in backend & cloud architecture — Focus on performance, scalability, and intuitive design If you’re looking for a Flutter developer, React Native expert, or an experienced mobile app developer for iOS & Android, I’d be happy to help bring your idea to life.

🇺🇦Kiev, Ukraine$45/hr100% JSS5.00 (11)Since Jan 2018

Earnings and projects

MRR
$3.5k

Last 6 months ÷ 6

World#9,860 / 412k
🇺🇦Country#653 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $21k

Total earnings
$59k

Billed in all: $60k

World#66,254 / 412k
🇺🇦Country#3,948 / 14.3k
Per project
$3.7k

$21k in the last 6 months

World#46,466 / 412k
🇺🇦Country#2,641 / 14.3k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
16

Across 17 contracts

47% fixed53% hourly
World#155,087 / 412k
🇺🇦Country#6,448 / 14.3k

Earnings, last 30 days

$59.7kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$58k$59k$60k$61kOct 8Oct 23Nov 7

Skill rankings: Top 3% in User Authentication

Ranked by MRR among everyone on Upwork with the skill.

  1. #19User Authentication698 freelancers · 🇺🇦 #3Top 3%
  2. #60Smartphone995 freelancers · 🇺🇦 #19Top 6%
  3. #68Dart2,324 freelancers · 🇺🇦 #8Top 3%
  4. #131AWS Lambda2,947 freelancers · 🇺🇦 #6Top 4%
  5. #169iOS3,908 freelancers · 🇺🇦 #33Top 4%
  6. #171Android4,975 freelancers · 🇺🇦 #32Top 3%
  7. #248Firebase6,978 freelancers · 🇺🇦 #34Top 4%
  8. #264Flutter7,550 freelancers · 🇺🇦 #21Top 3%