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Volodymyr K.

Volodymyr K.

iOS Software engineer

🚀 Senior iOS Developer | 5+ Years of Experience | Expert in Swift & UIKit 🚀 Hi! I'm Volodymyr, an experienced iOS Developer with a strong background in fintech, logistics, social media, and government apps. I specialize in Swift, UIKit, SwiftUI, CoreData, Firebase, GraphQL, and CI/CD, crafting high-performance, scalable, and maintainable iOS applications. 📌 Why work with me? ✅ Proven Experience – Lead developer for Diia, a government app with 20M+ users ✅ Versatile Tech Stack – MVVM, Coordinator, Async/Await, SwiftData, Google Maps, Fastlane ✅ Scalability & Performance – Developed and optimized apps for startups & enterprise clients ✅ Clean Code & Architecture – SOLID, DRY, Unit Tests, Snapshot Tests ✅ End-to-End Development – From ideation to App Store launch 💡 Whether you need a new iOS app, codebase refactoring, performance optimization, or feature development, I’m here to deliver top-tier results. 📩 Let’s discuss how I can help bring your iOS project to life!

🇺🇦Kyiv, Ukraine$25/hr100% JSSSince Mar 2025

Earnings and projects

MRR
$2.4k

Last 6 months ÷ 6

World#17,896 / 412k
🇺🇦Country#1,039 / 14.3k
Revenue, last 30 days
$3.2k

Last 6 months: $14k

World#11,660 / 412k
🇺🇦Country#730 / 14.3k
Total earnings
$42k

Billed in all: $45k

World#86,729 / 412k
🇺🇦Country#4,848 / 14.3k
Per project
$42k

$14k in the last 6 months

World#1,357 / 412k
🇺🇦Country#135 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
1
0% fixed100% hourly
World#360,671 / 412k
🇺🇦Country#13,083 / 14.3k

Earnings, last 30 days

$44.7k+$3.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$40k$42k$44k$46kOct 8Oct 23Nov 7

Skill rankings: Top 3% in Data Structures

Ranked by MRR among everyone on Upwork with the skill.

  1. #8Algorithms232 freelancers · 🇺🇦 #1Top 3%
  2. #14Data Structures418 freelancers · 🇺🇦 #1Top 3%
  3. #17App Store302 freelancers · 🇺🇦 #6Top 6%
  4. #46Testing968 freelancers · 🇺🇦 #7Top 5%
  5. #71SwiftUI951 freelancers · 🇺🇦 #10Top 7%
  6. #191App Development2,592 freelancers · 🇺🇦 #26Top 7%
  7. #225GraphQL3,403 freelancers · 🇺🇦 #21Top 7%
  8. #233Mobile App3,535 freelancers · 🇺🇦 #41Top 7%