Abdur Rehman Khan

Android Developer – Khudi LMS App

• Developed an intuitive and scalable Learning Management System (LMS) using Kotlin and Jetpack Compose for students, teachers, and parents.
• Enabled students to register, purchase courses, and access lessons, video lectures, and quizzes.
• Provided teachers with insights through interactive graphs and charts to track student performance.
• Allowed parents to monitor their children's learning progress in real time.
• Integrated secure payment systems like JazzCash, Stripe, and debit cards.
• Focused on clean architecture, responsive UI, and seamless functionality across roles.

Android Developer – Activity Rewards App.

• Developed Activity Rewards, a gamified health and fitness app that tracks users' activity and rewards them with XP, streaks, and gems.
• Integrated Health Connect with platforms like Google Fit, Samsung Health, and Fitbit to monitor steps and activity.
• Enabled users to redeem gems for live prize draws, and enter competitive leagues for additional rewards.
• Built with Jetpack Compose, Firebase, Room/Realm, ensuring full compliance with the Play Store.
• Implemented real-time tracking, offline support, and user engagement analytics to enhance the user experience.

• PersonCare App: Rebuilt the Android app for patients and counselors using Kotlin, MVVM Clean Architecture, Dagger Hilt, and Jetpack. Designed custom UI, improved performance, scalability, and security.
• Community Portal App: Developed an app for citizens to submit complaints and documents, aligned with government rules and processes.
• Delivered production-ready code and provided part-time maintenance support post-launch.

Android Developer – Modapps

• Refactored and rebuilt the Modapps Android app using Kotlin, Java, MVVM Clean Architecture, and Dagger Hilt.
• Implemented deep links, location services, and integrated APIs to enhance app functionality.
• Redesigned and developed the entire app (30+ screens), focusing on navigation, scalability, maintainability, and security.

Android Developer – Ahdus Technologies (STIHL Project)

• Contributed to the completion of a German-based STIHL project during a short-term contract.
• Refactored codebase for better readability and maintainability.
• Fixed bugs reported during testing, and improved mobile development processes.
• Collaborated in daily stand-ups with engineers, QA, and project managers to ensure smooth progress and delivery.

Android Developer – Music App

• Developed a SAZALEM Music app with lyrics using Kotlin, Java, Jetpack Compose, MVVM, Dagger Hilt, and Firebase authentication via deep links.
• Designed and built the full app (10 screens), focusing on smooth navigation, scalability, and security.
• Securely integrated APIs and safeguarded sensitive keys within the codebase.

Android Developer – Cherie NFT App (Fine and Digital Art)

• I built an NFT trading app using Kotlin and MVVM Clean Architecture.
• Enabled users to buy, sell, and trade NFTs (fine and digital art) with support for personal and company accounts.
• Integrated Firebase for authentication (email, phone, passcode), KYC, blockchain, customer support, and crypto-based transactions (e.g., Bitcoin, Cherie Coin).
• Implemented payment gateways for deposits, withdrawals, transfers, and bank integration.

Android Developer – Paris Tourism App

• Rebuilt a tourism app for exploring Paris using Kotlin, MVVM, Dagger Hilt, and Google Maps.
• Developed 80+ screens with secure API integration and user-friendly navigation.
• Added map features like markers, clusters, and path navigation to enhance the tourist experience.

Android Developer

• Developed 10+ Android apps (map navigation, music, management, calling, chat, and utility) for 20+ clients, consistently achieving 5-star ratings.
• Utilized Java and Kotlin to create custom UIs, design databases, and develop features tailored to client needs.
• Debugged, optimized code, and implemented solutions to improve app performance.
• Integrated third-party APIs and developed RESTful web services for seamless client-server communication.
• Conducted thorough unit testing, and maintained version control to ensure stability and efficient deployment.
• Collaborated with cross-functional teams to deliver high-quality applications and innovative technical solutions.

Android Development Intern.

• Developed and tested Android apps using Java, XML, and Android SDKs.
• Implemented new features and improvements based on stakeholder feedback.
• Researched mobile development technologies, and optimized app performance across devices.
• Collaborated with product owners to design solutions, assisted in documentation, and analyzed user feedback to improve satisfaction.
• Integrated third-party APIs to enhance functionality and user experience.

IoT Developer – Home and Car Automation Systems.

• IoT Home Automation: Built an Android app to control lights, fans, AC, doors, gates, and appliances, with real-time monitoring via Firebase.
• IoT Car Control: Developed a system to remotely manage the car's engine, doors, windows, ignition, AC/heater, and lights.
• Tech Stack: Android, Firebase, Arduino, ESP8266/ESP32, and various IoT sensors and controllers.
• Delivered intuitive, scalable solutions, enhancing comfort, security, and convenience through seamless IoT integration.

• Developed multiple Android apps across various domains for clients globally, including BLE apps, music streaming, business, shopping, teaching, calling/chat, live streaming, VPN, management, travel, social, trading, wallet, and dating apps.
• Contributed to both public and private apps, with notable releases such as:
• https://play.google.com/store/apps/details?id=com.modapps
• https://play.google.com/store/apps/details?id=gm.Kazakh_Olenderi
• https://play.google.com/store/apps/details?id=de.stihl.stihlconnected
• https://play.google.com/store/apps/details?id=de.stihl.stihlconnectedhttps://play.google.com/store/apps/details?id=ch.protonvpn.android
• https://play.google.com/store/apps/details?id=network.athene.app
• https://play.google.com/store/apps/details?id=com.mediatiz.khudi