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Fedir K.
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Fedir K.

Mobile App Developer | Java | Kotlin | Swift | React Native

Hello! 👋🏼 I'm a Mobile App Developer with over 10 years of experience, committed to creating top-notch mobile experiences. My focus is on delivering user-centric solutions that drive brand growth and achieve real results. Here's What I Offer: 📱 Native Development: Proficient in Swift (iOS) and Kotlin/Java (Android), I build high-performance apps with frameworks like SwiftUI and Jetpack, ensuring smooth interactions and user-friendly designs. 🔄 Cross-Platform Expertise: Using React Native, I craft apps that seamlessly operate on both iOS and Android, optimizing time and resources without compromising quality. ☁️ Cloud-Driven Development: Skilled in AWS, Google Cloud, and Microsoft Azure, I build robust, scalable mobile apps that are ready for the future. Why Choose Me: 🗣️ Clear Communication: You'll stay informed throughout the development process, ensuring transparency and alignment with your goals. ⏱️ Timely Delivery: I consistently meet deadlines, managing expectations and timelines with precision. ✨ Commitment to Quality: My apps are polished, meticulously crafted, and designed to exceed expectations. 🔧 Problem-Solving Expertise: I excel in dynamic environments, adept at tackling diverse project needs and finding innovative solutions. Industry Experience: 🛍️ E-Commerce 🏥 Healthcare 💰 FinTech 🎓 EdTech ✈️ Travel & Hospitality Let's discuss your project and turn your ideas into powerful mobile solutions. How about a call? 📅📞

🇺🇦Lviv, Ukraine$27/hr100% JSS4.86 (127)Since Sep 2015

Earnings and projects

MRR
$1.7k

Last 6 months ÷ 6

World#27,237 / 412k
🇺🇦Country#1,422 / 14.3k
Revenue, last 30 days
—

Read daily since Oct 21, under 30 days

Total earnings
$878k

Billed in all: $889k

World#812 / 412k
🇺🇦Country#72 / 14.3k
Per project
$5k

$3.4k in the last 6 months

World#34,496 / 412k
🇺🇦Country#2,088 / 14.3k
Projects, last 6 months
3
33% fixed67% hourly
World#66,479 / 412k
🇺🇦Country#2,681 / 14.3k
Projects in all
174

Across 181 contracts

31% fixed69% hourly
World#12,494 / 412k
🇺🇦Country#552 / 14.3k

Earnings, last 30 days

$889k+$988 earned since Oct 21Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$888.0k$888.5k$889.0k$889.5kOct 21Oct 30Nov 7

Tracked from Oct 21, 2026.

Skill rankings: Top 6% in Android App

Ranked by MRR among everyone on Upwork with the skill.

  1. #7Mobile Web94 freelancers · 🇺🇦 #1Top 7%
  2. #50Android App776 freelancers · 🇺🇦 #8Top 6%
  3. #73Native App Development833 freelancers · 🇺🇦 #11Top 9%
  4. #126Smartphone995 freelancers · 🇺🇦 #31Top 13%
  5. #244Kotlin3,021 freelancers · 🇺🇦 #26Top 8%
  6. #260App Development2,592 freelancers · 🇺🇦 #33Top 10%
  7. #287Mobile UI Design4,166 freelancers · 🇺🇦 #72Top 7%
  8. #308Mobile App3,535 freelancers · 🇺🇦 #56Top 9%