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Tauqeer A.
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Tauqeer A.

Senior Mobile Engineer | iOS | Android | Flutter | Product Development

Senior Mobile Engineer | iOS • Android • Flutter | Product & Architecture Expert I help startups and growing companies build, scale, and modernize mobile products. Over the last 12+ years, I've delivered production mobile applications across fintech, health, education, lifestyle, and marketplace industries. I specialize in taking ownership of the entire mobile platform—from technical architecture and feature planning to App Store and Play Store releases. Whether you need a new app, an experienced engineer to rescue an existing project, or a technical partner to lead your mobile development, I can help. What I can help you with • Build iOS and Android apps from scratch • Flutter cross-platform development • Native iOS development (Swift, SwiftUI, UIKit, Objective-C) • Mobile architecture (MVVM, modularization, scalable codebases) • AI feature integration (OpenAI, LLMs, AI-powered experiences) • REST & GraphQL APIs • Firebase, RevenueCat, Stripe, Push Notifications • Performance optimization and crash reduction • Code reviews and technical audits • Modernizing legacy applications • Publishing and maintaining apps on the App Store & Google Play Why clients work with me ✔ 12+ years of commercial experience ✔ Lead-level ownership of mobile products ✔ Strong communication with founders, product managers, designers, and backend teams ✔ Clean, maintainable, production-ready code ✔ Able to quickly understand existing codebases and deliver new features with confidence ✔ Experience as the sole mobile engineer responsible for both iOS and Android applications If you're looking for someone who can do more than just write code—someone who can own your mobile product and help make technical decisions—I'd love to discuss your project.

🇮🇩Bogor, Indonesia$16/hr100% JSS4.97 (9)Since Feb 2012

Earnings and projects

MRR
$37

Last 6 months ÷ 6

World#156,363 / 412k
🇮🇩Country#2,636 / 5,725
Revenue, last 30 days
$0

Last 6 months: $220

Total earnings
$29k

Billed in all: $30k

World#113,662 / 412k
🇮🇩Country#927 / 5,725
Per project
$1.9k

$55 in the last 6 months

World#79,630 / 412k
🇮🇩Country#637 / 5,725
Projects, last 6 months
4
50% fixed50% hourly
World#51,813 / 412k
🇮🇩Country#931 / 5,725
Projects in all
15

Across 22 contracts

23% fixed77% hourly
World#161,377 / 412k
🇮🇩Country#2,120 / 5,725

Earnings, last 30 days

$29.9kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$29.0k$29.5k$30.0k$30.5kOct 8Oct 23Nov 7

Skill rankings: Top 21% in Objective-C

Ranked by MRR among everyone on Upwork with the skill.

  1. #271Objective-C1,282 freelancers · 🇮🇩 #3Top 21%
  2. #411Problem Solving1,247 freelancers · 🇮🇩 #6Top 33%
  3. #819Dart2,324 freelancers · 🇮🇩 #20Top 35%
  4. #1,037Swift3,634 freelancers · 🇮🇩 #19Top 29%
  5. #1,219CI/CD3,691 freelancers · 🇮🇩 #27Top 33%
  6. #1,257iOS3,908 freelancers · 🇮🇩 #23Top 32%
  7. #1,286Mobile App3,535 freelancers · 🇮🇩 #25Top 36%
  8. #2,253iOS Development6,533 freelancers · 🇮🇩 #28Top 34%