Rehan Khan

Mobile App Developer

Mobify • Full time

Jun 2024 - Dec 2025 • 1 yr 6 mos

• Built advanced AI driven image features including Face Swap and Multi Fit Stitch modules, covering full user flow from input to final output. • Implemented complex image workflows handling multiple faces, stitching, alignment, loading states, retries, and failures. • Own and develop core Android features for a production scale app with 200k plus users. • Built 70 to 80 percent of the app UI using Jetpack Compose in production, including state driven and image heavy screens. • Managed Compose state, recomposition, and lifecycle issues to keep UI stable on mid range devices. • Integrated backend services using GraphQL APIs, handling queries, mutations, pagination, and error states. • Worked closely with backend engineers to align GraphQL schemas and handle async processing and network latency on the client side. • Collaborated with the Apero Vietnam engineering and product team on the FrameMe app, coordinating Android implementation across time zones. • Implemented subscriptions and premium access using Google Play Billing, including retries, restores, and entitlement checks. • Integrated and optimized AdMob native and banner ads, debugging low show rate and visibility issues in production. • Owned app stability using Firebase Crashlytics, investigating and fixing high impact crashes. • Maintained around 99.9 percent crash free users across recent releases. • Used Firebase Analytics and custom events to track feature usage and monetization behavior. • Worked in an Agile process, participating in sprint planning, delivery coordination, and releases.

Android Developer

I-Softic IT Solution • Full time

Apr 2021 - Jun 2023 • 2 yrs 2 mos

● Utilized the latest Android technologies such as AndroidX, android's Hilt for Dependency Injection and Navigation component for navigation ● Utilized Android's Room Persistence Library for offline data caching and retrieval ● Collaborated with other teams and stakeholders to ensure the app met the company's security and compliance requirements Skills: Hilt · Mobile Application Development · Espresso · Mobile Applications · Dagger · Firebase · Agile Methodologies · Model-view-viewmodel (MVVM) · Android Development · Android Studio · Java · Kotlin Coroutines · Kotlin · Android SDK · Android