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Kingsley A.
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Kingsley A.

iOS Software Engineer

iOS Software Engineer with over 9 years of commercial experience. Skilled in building applications from scratch to release, including award-winning apps. Special skill in finding and fixing bugs, eliminating bottlenecks, and providing the best solutions for particular cases — keeping your codebase healthy and efficient.
Experienced in building and optimizing systems using AVFoundation and Metal frameworks. Experience in SDK development Skills: * Swift * SwiftUI, UIKit * AI Integrations: Text-to-Speech, Speech-to-Text, Text-to-Text, Text-to-Image * LiveKit * Core Location (GPS) * Combine * Core Data * AVFoundation * Metal * Mapbox, Google Maps, Apple Maps * SceneKit, RealityKit, Unity3D * RoomKit * Bitrise CI, Fastlane, TestFlight * Bluetooth, Beacons * Networking (REST, Sockets) * StoreKit, In-App Purchases, Subscriptions * Unit and UI Testing * Firebase (Analytics, Auth, Database, Dynamic Links, Notifications) * Familiar and ready to dive deeper into C++, Flutter, Unity3D, and OpenGL when needed

🇺🇦Kharkiv, Ukraine$55/hr100% JSS5.00 (4)Since Jul 2023

Earnings and projects

MRR
$382

Last 6 months ÷ 6

World#88,727 / 412k
🇺🇦Country#3,405 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $2.3k

Total earnings
$59k

Billed in all: $62k

World#66,495 / 412k
🇺🇦Country#3,961 / 14.3k
Per project
$9.8k

$1.1k in the last 6 months

World#16,366 / 412k
🇺🇦Country#1,158 / 14.3k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
6
33% fixed67% hourly
World#250,290 / 412k
🇺🇦Country#9,758 / 14.3k

Earnings, last 30 days

$61.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$60k$61k$62k$63kOct 8Oct 23Nov 7

Skill rankings: Top 13% in Fastlane

Ranked by MRR among everyone on Upwork with the skill.

  1. 2SceneKit12 freelancers · 🇺🇦 #1Top 17%
  2. #4Metal26 freelancers · 🇺🇦 #1Top 15%
  3. #9Fastlane67 freelancers · 🇺🇦 #5Top 13%
  4. #27OpenGL163 freelancers · 🇺🇦 #3Top 17%
  5. #63Mapbox290 freelancers · 🇺🇦 #9Top 22%
  6. #75App Store302 freelancers · 🇺🇦 #9Top 25%
  7. #114UIKit818 freelancers · 🇺🇦 #39Top 14%
  8. #653Swift3,634 freelancers · 🇺🇦 #65Top 18%