Jahanzaib T.
Senior iOS Developer | Swift & SwiftUI Expert | HealthKit, Apple Pay
I help businesses and startups turn their ideas into successful, high-performance 𝗶𝗢𝗦 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀. Whether you need an app built from scratch or help with an existing one, I deliver clean, scalable, and user friendly solutions that meet your goals. My focus is on writing 𝗵𝗶𝗴𝗵 𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗰𝗼𝗱𝗲 and ensuring clear communication throughout the project. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 I provide E2E development services to bring your vision to life: ✅ Full-Cycle App Development: From initial concept to a successful App Store launch. ✅ Native iOS Development: Clean, maintainable code using the latest best practices in Swift and SwiftUI. ✅ UI/UX Implementation: Pixel-perfect UI from your Figma, Sketch, or Adobe XD designs. ✅ API & Backend Integration: Seamlessly connecting your app to web services and databases. ✅ Performance Optimization: Ensuring your app is fast, responsive, and memory-efficient. ✅ App Maintenance & Support: Long-term support to fix bugs, add features, and handle iOS updates. 𝗠𝘆 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗦𝘁𝗮𝗰𝗸 I am proficient in a wide range of modern iOS technologies and tools: - Languages: Swift, SwiftUI, Objective-C - Frameworks: UIKit, Combine, Core Data, MapKit, Core Animation - Architecture: MVVM, MVC, VIPER, Clean Architecture - Databases: Firebase, Realm, Core Data - Tools & Platforms: Xcode, Git, Jira, Postman, Bitbucket 𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗚𝗿𝗲𝗮𝘁! Do you have a project in mind or need an expert to join your team? 👇 Click the Invite to Job button and let's schedule a brief introductory call to discuss your goals.
Earnings and projects
Last 6 months ÷ 2.6 months active (since Aug 2026)
Last 6 months: $2.2k
$2.2k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 8% in Core Data
Ranked by MRR among everyone on Upwork with the skill.
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- #12HealthKit115 freelancers · 🇵🇰 #3Top 10%🇵🇰#3 of 15
- #14Core Data178 freelancers · 🇵🇰 #4Top 8%🇵🇰#4 of 15
- #31In-App Subscription175 freelancers · 🇵🇰 #4Top 18%🇵🇰#4 of 49
- #74UIKit818 freelancers · 🇵🇰 #8Top 9%🇵🇰#8 of 89
- #88Apple Xcode881 freelancers · 🇵🇰 #15Top 10%🇵🇰#15 of 141
- #88PayPal394 freelancers · 🇵🇰 #7Top 22%🇵🇰#7 of 71