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.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $21k
Billed in all: $59,699$60k
$21k in the last 6 months
Across 17 contracts
Earnings, last 30 days
Skill rankings: Top 3% in User Authentication
Ranked by MRR among everyone on Upwork with the skill.
- #19User Authentication698 freelancers · 🇺🇦 #3Top 3%🇺🇦#3 of 39
- #60Smartphone995 freelancers · 🇺🇦 #19Top 6%🇺🇦#19 of 127
- #68Dart2,324 freelancers · 🇺🇦 #8Top 3%🇺🇦#8 of 123
- #131AWS Lambda2,947 freelancers · 🇺🇦 #6Top 4%🇺🇦#6 of 110
- #169iOS3,908 freelancers · 🇺🇦 #33Top 4%🇺🇦#33 of 321
- #171Android4,975 freelancers · 🇺🇦 #32Top 3%🇺🇦#32 of 371
- #248Firebase6,978 freelancers · 🇺🇦 #34Top 4%🇺🇦#34 of 472
- #264Flutter7,550 freelancers · 🇺🇦 #21Top 3%🇺🇦#21 of 301