Umer Ali

Mobile App Developer

Technoloy • Parttime

Jan 2026 - Present • 7 mos

Designed and developed a production-grade Flutter hiking app from the ground up, supporting 10,000+ trails across Android and iOS platforms Implemented real-time GPS tracking with sub-3-second location accuracy, optimized for 40% lower battery consumption during active hikes Built live route recording and playback engine — tracking distance, elevation, speed, and progress in real time with smooth rendering at 60fps Integrated Points of Interest (POIs), custom routes, and hiking events using interactive map overlays, dynamic markers, and image-rich content cards Architected the app using Domain-Driven Design with Bloc/Cubit state management, ensuring modular, testable, and scalable codebase Implemented offline-first maps and routes using local caching strategies, ensuring full functionality in remote areas without connectivity Optimized map rendering performance via clustering, lazy loading, and background location updates — reducing map load time by 50% Developed secure user authentication and profile management supporting personalized route history, saved events, and hike milestones Integrated AI-powered trail recommendation engine using Claude API — analyzes user hike history, fitness level, and preferences to suggest personalized trails, reducing average search-to-hike time by 60% Built AI gear recommendation feature that takes trail difficulty, weather, and elevation data and returns a smart packing checklist via LLM API call, increasing user session engagement by 35% Developed post-hike AI recap generator that converts raw GPS, elevation, and performance data into a natural-language hike summary, boosting user retention through personalized insights Delivered a polished, accessible UI/UX aligned with Material 3 and Cupertino guidelines, supporting dark mode, dynamic theming, and foldable compatibility

Senior Kotlin Developer for Android Apps

Karachi Club • Fulltime

Oct 2023 - Sep 2025 • 1 yr 11 mos

Led end-to-end development of a production health app, integrating real-time glucose monitoring for thousands of active users Integrated NFC and Bluetooth Low Energy (BLE) communication with Libre, Dexcom, Medtronic, Aidex, and Sibionics glucose sensors via Android background services Built a comprehensive chat module with peer-to-peer and group messaging, media sharing, and audio/video conferencing using WebRTC Developed health tracking dashboard covering meal/water intake, sleep hours, digital scale integration, and medication/insulin reminders with customizable alerts Implemented family health sharing — real-time follow/unfollow of family members' glucose data, with home screen pinning for quick access Built weekly health reports with custom Canvas-drawn charts, customized dashboards, and data visualization using third-party and custom drawing libraries Engineered appointment scheduling system for doctor-patient coordination with push notifications, deep link routing, and offline Room storage Integrated AI-powered weekly health report narrator using Claude API — converts raw glucose, meal, sleep, and activity data into plain-English personalized health summaries, reducing user support queries by 40% Built AI meal risk analyzer that evaluates meal logs against glucose patterns and delivers predictive warnings before potentially spike-inducing meals, improving proactive health management Developed an AI medication explainer that provides contextual, LLM-generated explanations for each medication — increasing medication adherence rates among app users Implemented runtime-switchable themes, movable dashboard icons, and staged rollout releases with internal testing tracks