# Muhammad Hammad Khan Muhammad Hammad Khan is a remote worker on Himalayas, Principal Consultant - Android at Systems Limited, based in Pakistan. Source: https://himalayas.app/@muhammadhammadkhan ```text Principal Android Engineer with ~12 years in Kotlin, Compose and C++/NDK, based in Lahore. ``` | Detail | Value | | --- | --- | | Availability | Looking for a job | | Location | Pakistan | | Authorized to work in | Pakistan | | Salary expectations | 86k+ USD | | Job categories | Android Developer, Android Lead | | Skills | Kotlin, Java, Jetpack Compose, Android, C++, Coroutines, MVVM, Clean Architecture, Android SDK, Native Android Development, NDK, Fintech, Payment Systems, Payment Processing, Payment Gateways, Digital Wallets, Digital Banking, System Design, Software Architecture | | LinkedIn | https://linkedin.com/in/i-hammad-khan | ## What I'm looking for ```text Remote-only senior/principal Android roles (full-time or contract, 40 hrs/week). Kotlin, Jetpack Compose, C++/NDK, fintech/audio/AI tooling. Based in Lahore, Pakistan; no visa sponsorship needed; not authorized to work in the US. ``` ## About ```text Principal / Senior Android Engineer (Kotlin, Jetpack Compose, C++/NDK) with about 12 years of experience building banking/fintech, audio and AI-tooling apps. Deep expertise in Kotlin (8+ yrs), Java (10+), Jetpack Compose (5+), Android SDK, C++/NDK, MVVM/Clean Architecture and Coroutines/Flow. Currently Principal Consultant - Android at Systems Limited. Based in Lahore, Pakistan; remote only; full-time or contract, 40 hrs/week. ``` ## Experience ### Principal Consultant - Android (current) [Systems Limited](https://himalayas.app/companies/visionet). Aug 2021 - Present ```text Lead a team of mobile developers, making architectural decisions and enforcing best practices. Led native Android development for ZainCash, FINCA Pay, TAMM, mystc KSA, and AP News, focusing on FinTech security, Jetpack Compose, and performance optimization. ``` Skills: Android, Kotlin, Java, Jetpack-Compose, MVVM, MVI, Clean-Architecture, ADR, Code-Review, Fintech, Digital-Wallets, Payment-Systems, Security, AES, SSL-Pinning, ProGuard, GraphQL, JW-Player, Mediapipe, Snap-Camera-Kit, Google-Maps, Agile-Scrum ### Senior Android Developer Virtual Force. Apr 2021 - Jul 2021 ```text Implemented Stripe and multiple payment gateways for TCL Pakistan, building the full user journey from onboarding to payment. Partnered with UI/UX and backend engineers to refine API payloads and reduce cold-start latency. ``` Skills: Android, Kotlin, Java, Stripe, Payment-Gateways, Google-Maps, API-Integration, Performance-Optimization, Google-Play-Store ### Senior Android Developer Bester Capital Media. Aug 2020 - Mar 2021 ```text Built a multi-currency rate module, API integrations, UI and animations for the Chiragh app. Analyzed requirements, proposed solutions, and managed Google Play Store deployments. ``` Skills: Android, Java, Kotlin, API-Integration, UI-UX, Animation, Google-Play-Store ### Lead Android Developer ABHI Bank / GharPar. Jan 2020 - Jan 2021 ```text Engineered secure digital banking and payment wallet solutions with end-to-end encryption, multi-layered security, and fraud prevention. Built location-based services, custom interactive filters, and multi-language UI support. ``` Skills: Android, Kotlin, Java, Digital-Banking, Digital-Wallets, AES, SSL-Pinning, ProGuard, Fraud-Prevention, Location-Based-Services, Multi-Language ### Senior Android Developer AppsGenii Technologies. Oct 2017 - Aug 2020 ```text Built financial transactions modules, live-rate currency conversion, and RESTful API integration for UOWN. Developed secure in-app payment modules and other features for IconInc, and held daily Scrum meetings with clients. ``` Skills: Android, Java, Kotlin, MVVM, REST-APIs, Financial-Transactions, Payment-Module, Scrum ### Android Developer Mania Studios. Aug 2014 - Nov 2017 ```text Developed and maintained Android applications in Java/Kotlin, fixed bugs, and improved performance through testing and debugging. Participated in code reviews and release processes. ``` Skills: Android, Java, Kotlin, Debugging, Testing, Code-Review ### Android Developer [Afiniti](https://himalayas.app/companies/afiniti). Jun 2016 - Aug 2017 ```text Developed performance-critical native Android code in C++ using the Android NDK for real-time audio processing, including acoustic echo cancellation and noise suppression. Built Bluetooth and Wi-Fi Direct connectivity for synchronized audio using TCP, UDP, RTP, and WebSockets. ``` Skills: Android, C++, NDK, Real-Time-Audio, Echo-Canceller, Noise-Suppression, Bluetooth, WiFi-Direct, TCP, UDP, RTP, WebSockets ## Education ### Lahore Leads University Bachelor of Science, Computer Science. 2011 - 2015 ```text Bachelor of Science in Computer Science from Lahore Leads University, completed in 2015. ``` ## Tech stack - Retrofit - GitHub - GitLab - Bitbucket - SonarQube - JaCoCo - Jenkins - Flutter - SQLite - Android SDK - Jira - Gradle - LeakCanary - ProGuard - Java - Kotlin - C++ - XML - ExoPlayer - fastlane - Confluence - Gemini - GraphQL - Firebase - gRPC - JUnit - Mockito - Git - Docker - ktlint - Firebase Crashlytics - Espresso - Cursor - Grok - MediaPipe - ChatGPT To contact Muhammad Hammad, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [Hamza Mehboob](https://himalayas.app/@hamzamehboob): Senior Android Engineer, Theta Technology Solutions - [Shahbaz Naseer](https://himalayas.app/@shahbaznaseer): Senior Android Platform Engineer, Ciklum - [Mehreen Ahmed](https://himalayas.app/@mehreenahmed): Senior Android Developer, Digitify - [Ibtehaaj Shahid](https://himalayas.app/@ibtehaajshahid): Senior Android Developer, Dubizzle Labs - [Sufyan Sattar](https://himalayas.app/@sufyansattar): Senior Software Consultant, Systems Limited - [bazaid ehsan gondal](https://himalayas.app/@bazaidehsangondal): Android Tech Lead, MindByte Studios - [Saddam Hussain](https://himalayas.app/@saddamhussain8): Senior Android Engineer (Consultant), Tangent International - [Vikram Kumar](https://himalayas.app/@vikramkumar8): Senior Android Developer, Xpert Digital - [wahaj nadeem](https://himalayas.app/@wahajnadeem1): Principal Consultant SE, Systems Limited - [Muhammad Zeeshan Majeed](https://himalayas.app/@muhammadzeeshanmajeed): Principal Software Engineer, Android Team Lead, Seamless Distribution Systems AB