k
kaleem040

Kaleem Ullah

@kaleem040

Building apps that scale with your growth

Pakistan
Urdu, Engels, Pasjtoe
Sommige informatie wordt in het Engels weergegeven.
Over mij
Native Android Developer skilled in Kotlin & Jetpack Compose. Currently building production apps at Access Group (SDK migrations, POS systems, real-time MQTT features). Creator of Vaultly — a blockchain-based password manager using IPFS & Polygon. I build MVVM apps with Room, Hilt, Retrofit, and secure JWT/payment integrations. From e-commerce apps to offline-first tools, I turn ideas into clean, scalable Android apps — production-ready, not tutorial-grade. Let's build something real.... Lees meer

Skills

k
kaleem040
Kaleem Ullah
offline • 

Bekijk mijn diensten

Android-app development
I will build a modern android app using jetpack compose and kotlin
VanafUS$ 110 / projectMeer informatie

Portfolio

Werkervaring

AccessHero

Android Intern

AccessHero • Fulltime

Jul 2025 - Oct 2025 • 3 mos

Migrated the U Bank Android app from SDK 34 to 35, enhancing performance and ensuring compatibility with the latest features, which helped improve user experience. Improved various bugs within the app, resulting in a smoother and more reliable experience for users, ultimately increasing customer satisfaction. Redesigned the Hascol Fuel POS application UI by utilizing RecyclerView, replacing hard-coded elements, which helped create a more dynamic and flexible interface. Developed Bluetooth SDK integration to facilitate seamless connections between client and server, enhancing communication and functionality within the app. Integrated loyalty features into the Hascol POS app, which increased customer engagement and retention by providing added value to users. Implemented MQTT heartbeat for the Hascol Fuel POS application, ensuring constant connectivity and real-time updates, which improved overall system reliability