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Fiverr Pro
Italiano
$
USD
David V
@david_devpro
Mobile App Bug Fixing and Performance Optimization Expert
Stati Uniti
Inglese, Tedesco, Italiano, Francese
Chi sono
Greetings I am David Virgil. My obsession with mobile app development started years ago when a battery drain bug almost ruined a major launch. Since then I have dedicated my career to mastering app optimization.
With over seven years of experience I specialize in fixing app crashes lag UI bugs payments push notifications APIs and store rejections. I ensure deep links analytics offline modes and SSL certs work perfectly.
Whether fixing slow DBs Bluetooth sensors or IAP issues I deliver seamless onboarding and flawless performance.
Let us make your mobile app completely perfect today.
Competenze
David V
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Correzione bug app mobile
I will fix app crashes, lag, iap, push, sync, auth, apis, battery, and store rejections
Esperienza lavorativa
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Lead Mobile App Debugger
Fiverr • Freelance
Mar 2022 - Present • 4 yrs 6 mos
Solved complex app crashes, resolved store rejections, optimized battery performance, and fixed UI bugs for hundreds of mobile apps. Focused on delivering high-quality performance tuning and ensuring seamless user experiences across various mobile platforms.
App Migration Consultant
Kwork • Freelance
Sep 2021 - Present • 5 yrs
Successfully migrated legacy applications, fixed deprecated APIs, resolved OS compatibility issues, and improved app size to prevent store downtime. Ensured that applications remained functional and compliant with the latest mobile operating system standards.
Senior Performance Engineer
Upwork • Freelance
Jan 2020 - Feb 2022 • 2 yrs 1 mo
Eliminated lag, synchronized offline databases, optimized API calls, and managed deep links for high traffic enterprise mobile applications. Specialized in enhancing the responsiveness and data integrity of complex mobile systems under heavy load.
