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Bayarbaatar G.

Bayarbaatar G.

Senior iOS Engineer | SwiftUI / Payments / AI Integration

Senior iOS Engineer with 13 years shipping apps at scale — including a ride-share platform serving 1.5M+ users and a food delivery app ranked #1 in its App Store category. Recently shipped: - Just Write Off — AI tax tracker using Google Gemini OCR, Supabase, StoreKit + RevenueCat, zero-data-retention privacy architecture - ScanMe — document scanner with OCR, PDF export, e-signature, 20+ language support - Gegee — mindfulness app with Apple Health integration and subscription tiers What clients hire me for: - SwiftUI UI builds from Figma designs - Payment & subscription integration (Apple Pay, StoreKit, RevenueCat) - AI/OCR feature integration into existing iOS apps - Legacy Objective-C → SwiftUI migration - App Store submission, CI/CD setup, release management - Performance debugging and crash fixing Stack: Swift, SwiftUI, UIKit, Combine, Firebase, Supabase, CoreML, Python (FastAPI/Django), AWS, Fastlane Clear communicator. Fast turnaround. I ask the right questions before starting so there are no surprises at the end. Based in Sydney, Australia.

🇦🇺Sydney, Australia$65/hr100% JSS4.78 (4)Since May 2016
GlobeUpwork

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#352,492 / 412k
🇦🇺Country#2,516 / 2,970
Revenue, last 30 days
$0
Total earnings
$1.6k

Billed in all: $1.6k

World#352,492 / 412k
🇦🇺Country#2,516 / 2,970
Per project
$269
Projects, last 6 months
0
World#209,850 / 412k
🇦🇺Country#1,320 / 2,970
Projects in all
6

Across 7 contracts

57% fixed43% hourly
World#250,290 / 412k
🇦🇺Country#1,867 / 2,970

Earnings, last 30 days

$1.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,620$1,640$1,660$1,680Oct 8Oct 23Nov 7

Skills