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quuufy

quuios

@quuufy

Senior iOS Developer Swift And ObjectiveC Expert

China
Chinesisch, Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I am a Senior iOS Developer with 8+ years of experience in Swift and Objective-C. I help startups and businesses fix bugs, improve performance, and maintain existing iOS applications. Skills: • Swift & Objective-C • UIKit, MVC/MVVM • Xcode debugging • REST API & WebSocket • Push notifications • App Store release I have experience in e-commerce, live streaming, cloud communication, IoT, and smart device apps. I focus on building stable and reliable iOS solutions.... Mehr lesen

Kompetenzen

q
quuufy
quuios
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

iOS-App-Entwicklung
I will develop native ios app using swift and objective c
Ab100 $ / ProjektWeitere Details
KI-Integrationen
I will integrate an ai chatbot or feature into your app or website
Ab150 $ / ProjektWeitere Details

Arbeitserfahrung

Freelance

Freelance

Vollzeit • 4 yrs 2 mos

Freelance iOS Developer

May 2023 - Aug 2026 • 3 yrs 3 mos

Developed and maintained native iOS applications using Swift and Objective-C. Responsibilities: • Designed iOS application architecture and developed new features • Fixed bugs, optimized performance, and improved user experience • Integrated APIs, third-party SDKs, payments, and notifications • Managed App Store releases and application maintenance • Collaborated with backend and product teams

iOS Team Lead

May 2022 - Jan 2023 • 8 mos

Led iOS development for a smart wearable and fitness application. Responsibilities: • Developed native iOS features using Swift and Objective-C • Implemented smart device connectivity and data synchronization • Built health data visualization features • Designed application architecture and improved performance • Collaborated with hardware and backend teams

iOS Developer

Feb 2022 - May 2022 • 3 mos

Developed a VoIP communication application for business users. Responsibilities: • Developed real-time audio and video communication features • Integrated SIP protocol and third-party communication SDKs • Implemented messaging and call management features • Fixed bugs and optimized application performance • Maintained and released iOS applications