Available to hire
Hi, I’m Zain. I’m a Senior Android Developer with 10+ years of experience building, optimizing, and maintaining native Android apps using Kotlin, Jetpack, and Firebase. I enjoy collaborating with international clients and cross-functional teams to deliver robust, scalable mobile solutions.
I’m passionate about clean architecture (MVVM), performance tuning, and creating user-friendly experiences. I love turning complex requirements into reliable features and mentoring teammates through the full mobile development lifecycle.
Skills
Experience Level
Language
English
Fluent
Urdu
Fluent
Work Experience
Senior Mobile Developer at Tecjaunt
April 1, 2021 - June 23, 2024Led development of 911Limo, a professional limousine booking app using Flutter for both Android and iOS. Integrated real-time driver tracking, Google Maps SDK, Stripe payments, and Firebase backend services. Built custom admin dashboards and passenger-driver flows using Firebase Cloud Functions and Node.js. Ensured seamless UX with in-app notifications, ETA updates, and booking confirmations. Implemented location permissions, geofencing, and optimized GPS handling to reduce battery consumption. Collaborated with UI/UX designers and QA teams to deliver a polished MVP. Managed scalable infrastructure with Firebase Hosting, Firestore, and Cloud Messaging (FCM). Managed app releases using Google Play Console and TestFlight, following CI/CD best practices.
Mobile Application Engineer at FutureNow Technologies
January 1, 2019 - March 31, 2021Developed native Android applications in Kotlin and iOS apps in Swift using Clean Architecture and MVVM patterns. Delivered mobile e-commerce and fintech apps with secure authentication, biometric login, and push notifications. Automated build and deployment pipelines using Fastlane, reducing release time by 60%. Collaborated with designers to implement pixel-perfect UI adhering to Material and Human Interface Guidelines.
Mobile Developer (Android/iOS) at NeoCog Technologies
April 1, 2016 - December 31, 2018Developed and published over 10 mobile applications for Android and iOS across industries including education, travel, retail, and utilities. Integrated advanced native features such as biometric authentication, camera access, GPS tracking, and offline storage using SQLite and Hive. Migrated legacy Java Android apps to Kotlin adopting modern architecture patterns (MVVM, Repository Pattern) to improve maintainability and performance. Worked closely with UI/UX designers and QA engineers to ensure high-quality user experience following platform guidelines. Optimized app performance and reduced crash rates through testing, memory management, and modular code practices.
Senior Mobile Developer at Tecjaunt
April 1, 2021 - June 26, 2024Led the development of 911Limo, a professional limousine booking app using Flutter for Android & iOS. Integrated real-time driver tracking, Google Maps SDK, Stripe payments, and Firebase backend services. Built custom admin dashboards and passenger-driver flows using Firebase Cloud Functions and Node.js. Ensured seamless UX with in-app notifications, ETA updates, and booking confirmations. Implemented location permissions, geofencing, and optimized GPS handling to reduce battery consumption. Collaborated with UI/UX designers and QA teams to deliver a polished MVP. Deployed scalable infrastructure using Firebase Hosting, Firestore, and Cloud Messaging (FCM). Managed app releases via Google Play Console and TestFlight with CI/CD best practices.
Mobile Application Engineer at FutureNow Technologies
January 1, 2019 - March 31, 2021Developed native Android applications in Kotlin and iOS apps in Swift implementing Clean Architecture and MVVM patterns. Delivered mobile e-commerce and fintech apps with secure authentication, biometric login, and push notifications. Automated build and deployment pipelines using Fastlane, reducing release time by 60%. Worked closely with designers for pixel-perfect UI adhering to Material and Human Interface Guidelines.
Mobile Developer (Android/iOS) at NeoCog Technologies
April 1, 2016 - December 31, 2018Developed and published over 10 mobile applications for Android and iOS across education, travel, retail, and utilities sectors. Integrated advanced native features like biometric authentication, camera access, GPS tracking, and offline storage using SQLite and Hive. Migrated legacy Java Android apps to Kotlin adopting modern architecture patterns (MVVM, Repository Pattern) to improve maintainability and performance. Collaborated with UI/UX designers and QA engineers to ensure high-quality user experiences and adherence to platform-specific guidelines. Optimized app performance and reduced crash rates through structured testing, memory management, and modular code practices.
Senior Android Mobile Developer at Tecjaunt
April 1, 2021 - PresentLed development of 911Limo, a luxury ride-booking Android app with live tracking and secure payments. Integrated Google Maps SDK, Stripe, Firebase Firestore, Cloud Functions, and FCM. Architected app with MVVM pattern, clean separation of concerns, and efficient GPS handling. Managed Play Store releases and implemented automated CI/CD pipelines using Fastlane.
Mobile Application Engineer at Techlogix Pvt Limited
March 31, 2021 - July 9, 2025Developed native Android applications using Kotlin, following MVVM and Clean Architecture. Delivered secure e-commerce and fintech apps with biometric login and custom push notifications. Streamlined deployment workflows and reduced release time by 60% using Fastlane. Collaborated with UI/UX and QA teams for pixel-perfect design implementation.
Mobile Developer (Android) at Envision Mobile Pvt Limited
December 31, 2018 - July 9, 2025Delivered 10+ Android apps for domains such as education, travel, and retail. Migrated legacy apps from Java to Kotlin, implementing Room, LiveData, and repository pattern. Worked closely with QA and product teams to ensure performance and design alignment. Optimized memory management, network handling, and implemented modular architecture.
Software Engineer at Valzoom LLC USA
July 1, 2016 - July 9, 2025Responsible for maintaining android application. Worked on bug fixing and improving application performance. Continuously discovered and implemented new technologies to maximize development efficiency.
Software Engineer at SeenReport Pvt Limited Lahore Pakistan
January 31, 2016 - July 9, 2025Learned the tacts and techniques of Software Development via Technical Leads and Scrum masters. Prepared release plans including scope, schedule/milestones, effort, and resources. Identified, documented, and tracked all release and project risks and issues. Worked alongside Scrum Masters and development team in executing all functions of software development lifecycle and project execution.
Senior Android Mobile Developer at Tecjaunt
April 1, 2021 - PresentLed development of 911Limo, a luxury ride-booking Android app with live tracking and secure payments. Integrated Google Maps SDK, Stripe, Firebase Firestore, Cloud Functions, and FCM. Architected app with MVVM pattern, clean separation of concerns, and efficient GPS handling. Managed Play Store releases and implemented automated CI/CD pipelines using Fastlane.
Mobile Application Engineer at Techlogix Pvt Limited
March 31, 2021 - July 9, 2025Developed native Android applications using Kotlin, following MVVM and Clean Architecture. Delivered secure e-commerce and fintech apps with biometric login and custom push notifications. Streamlined deployment workflows and reduced release time by 60% using Fastlane. Collaborated with UI/UX and QA teams for pixel-perfect design implementation.
Mobile Developer (Android) at Envision Mobile Pvt Limited
December 31, 2018 - July 9, 2025Delivered 10+ Android apps for domains such as education, travel, and retail. Migrated legacy apps from Java to Kotlin, implementing Room, LiveData, and repository pattern. Worked closely with QA and product teams to ensure performance and design alignment. Optimized memory management, network handling, and implemented modular architecture.
Software Engineer at Valzoom LLC USA
July 31, 2016 - July 9, 2025Responsible for maintaining android application. Worked on bug fixing and improving application performance. Continuously discovered and implemented new technologies to maximize development efficiency.
Software Engineer at SeenReport Pvt Limited Lahore Pakistan
January 31, 2016 - July 9, 2025Learned the tacts and techniques of Software Development via Technical Leads and Scrum masters. Prepared release plans including scope, schedule/milestones, effort, and resources. Identified, documented, and tracked all release and project risks and issues. Worked with teams to identify, assign, and manage risk & issue mitigation action items. Participated in executing all functions of software development lifecycle and project execution alongside Scrum Masters and development team.
Senior Android Mobile Developer at Tecjaunt
April 1, 2021 - PresentLed the development of 911Limo, a luxury ride-booking Android app featuring live tracking and secure payments. Integrated Google Maps SDK, Stripe, Firebase Firestore, Cloud Functions, and FCM. Architected the app using MVVM pattern ensuring clean separation of concerns and efficient GPS handling. Managed Play Store releases and implemented automated CI/CD pipelines using Fastlane.
Mobile Application Engineer at Techlogix Pvt Limited
March 1, 2021 - August 12, 2025Developed native Android apps using Kotlin with MVVM and Clean Architecture. Delivered secure e-commerce and fintech apps featuring biometric login and custom push notifications. Streamlined deployment workflows reducing release times by 60% with Fastlane automation. Collaborated closely with UI/UX and QA teams to ensure pixel-perfect design implementation.
Mobile Developer (Android) at Envision Mobile Pvt Limited
December 1, 2018 - August 12, 2025Delivered over 10 Android apps for domains including education, travel, and retail. Migrated legacy apps from Java to Kotlin implementing Room, LiveData, and repository pattern. Worked closely with QA and product teams to ensure performance and design alignment. Optimized memory management, network handling, and implemented modular architecture.
Software Engineer at Valzoom LLC USA
July 1, 2016 - August 12, 2025Maintained and improved Android applications with focus on bug fixing and performance enhancement. Explored and implemented new technologies to maximize development efficiency.
Software Engineer at Seen Report Pvt Limited
January 1, 2016 - August 12, 2025Learned software development tactics and techniques under technical leads and scrum masters. Prepared release plans detailing scope, schedules, milestones, effort, and resources. Identified and tracked release and project risks and issues, collaborated with teams for risk and issue mitigation, and supported all phases of the software development life cycle and project execution.
Senior Android Mobile Developer at Tecjaunt
April 1, 2021 - PresentLed development of 911Limo, a luxury ride-booking Android app featuring live tracking and secure payments. Integrated Google Maps SDK, Stripe, Firebase Firestore, Cloud Functions, and FCM. Architected the app using MVVM pattern with clean separation of concerns and efficient GPS handling. Managed Google Play Store releases and implemented automated CI/CD pipelines using Fastlane.
Mobile Application Engineer at Techlogix Pvt Limited
March 1, 2021 - August 12, 2025Developed native Android applications using Kotlin, following MVVM and Clean Architecture. Delivered secure e-commerce and fintech apps featuring biometric login and custom push notifications. Streamlined deployment workflows and reduced release time by 60% using Fastlane. Collaborated with UI/UX and QA teams to ensure pixel-perfect design implementation.
Mobile Developer (Android) at Envision Mobile Pvt Limited
December 1, 2018 - August 12, 2025Delivered over 10 Android apps across domains including education, travel, and retail. Migrated legacy apps from Java to Kotlin implementing Room, LiveData, and repository pattern. Worked closely with QA and product teams to ensure performance and design alignment. Optimized memory management, network handling, and implemented modular architecture.
Software Engineer at Valzoom LLC USA
July 1, 2016 - August 12, 2025Responsible for maintaining Android applications. Worked on bug fixing and improving application performance. Continuously discovered and implemented new technologies to maximize development efficiency.
Software Engineer at Seen Report Pvt Limited
January 1, 2016 - August 12, 2025Learned software development tactics and techniques under technical leads and scrum masters. Prepared release plans including scope, schedule/milestones, effort, and resources. Identified, documented, and tracked all release and project risks and issues. Worked alongside scrum masters and development teams executing all functions of software development life cycle and project execution.
Senior Android Developer at TechJaunt
April 1, 2021 - PresentLed development of 9-11Limo, a luxury ride-booking Android app with live tracking and secure payments.
Mobile Application Engineer at Techlogix Pvt Ltd
March 1, 2021 - September 23, 2025Developed native Android apps using Kotlin, MVVM, and clean architecture; implemented secure e-commerce flows and analytics.
Software Engineer at Version Mobile Pvt Ltd
December 1, 2018 - September 23, 2025Developed 10+ native Android apps, migrated legacy Java apps to Kotlin, and implemented Room, LiveData, and streamlined CI workflows.
Software Engineer at Seen Report Pvt Ltd
January 1, 2016 - September 23, 2025Maintained Android applications, fixed bugs, and introduced new technologies to improve development efficiency.
Education
Bachelor's at Comsats University
January 1, 2015 - December 31, 2019Bachelor's at Comsats University
January 1, 2010 - December 31, 2014Bachelor's at Punjab University College of Information Technology (PUCIT)
August 1, 2011 - June 30, 2015Bachelor's at Punjab University College of Information Technology (PUCIT)
August 1, 2011 - June 30, 2015Bachelor's in Computer Science at Punjab University College of Information Technology (PUCIT)
August 1, 2011 - June 1, 2015Bachelor's in Computer Science at Punjab University College of Information Technology (PUCIT)
August 1, 2011 - June 1, 2015Bachelor's in Computer Science at Punjab University College of Information Technology (PUCIT)
August 1, 2011 - June 1, 2015Qualifications
Industry Experience
Software & Internet, Transportation & Logistics, Retail, Financial Services, Education, Gaming, Travel & Hospitality, Professional Services
Skills
Experience Level
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