Ahssan Akhtar

Senior Android Developer with 6+ years of experience building and scaling consumer apps with a combined 85M+ downloads. Specialises in Kotlin, Jetpack Compose, Clean Architecture and MVI across mobile, tablet and Android TV form factors. Proven record of reducing ANR and crash rates, establishing code review and automated testing standards, and mentoring engineering teams.

Sr. Android Developer - Hazel Mobile - Lahore

(2023-02)

• Lead Android development for Binge Beyond, a streaming product shipped to Android TV, mobile and tablet from a single Kotlin and Jetpack Compose codebase, including non-GMS platforms such as TCL Percee TV.
• Architected the app on Clean Architecture and MVI with enforced layer boundaries, backed by automated commit-time and pull-request quality gates.
• Built a Firebase Remote Config–driven notification engine that segments users by lifecycle stage (new, trial, premium, at-risk, dormant) to drive re-engagement and retention.
• Integrated RevenueCat subscriptions, Google Ads and Vungle mediation, consolidating monetisation behind a single domain-layer abstraction.
• Diagnosed and resolved a production R8 full-mode ClassCastException in Retrofit generics with targeted ProGuard rules, restoring release-build stability.
• Improved portfolio stability, reducing ANR and crash rates by 50% and improving performance by 30% across a portfolio exceeding 80M downloads.
• Defined the team's PR review criteria (SOLID, Clean Architecture, MVI, Compose best practices) and introduced unit and PIT mutation testing to raise coverage confidence.
• Led and mentored the Android team and managed delivery through Asana and Git Flow; received an appreciation award for contributions to product development.

Android Developer - Codexia Technologies - Lahore

(2022-07 - 2023-02)

• Delivered features and maintenance across multiple production Android projects.
• Migrated a legacy codebase to MVVM, improving readability, testability and long-term maintainability.
• Partnered with cross-functional teams to troubleshoot critical issues, and upheld quality through testing, debugging and code review.

Android Developer - Invobyte - Lahore

(2020-11 - 2022-07)

• Maintained Java-based Asset Management System apps running on Zebra Technologies handheld devices.
• Migrated the legacy codebase to MVVM and raised crash-free sessions from 92% to 95%.
• Implemented device communication using socket programming and AIDL, and integrated REST APIs for reliable data exchange.
• Optimised record management and device tracking performance, and hardened reliability through systematic testing and debugging.

Associate Android Developer - Blinkedge Technologies - Lahore

(2019-09 - 2020-11)

• Built client-facing Android apps in Java with a focus on UI responsiveness and user experience.
• Implemented MVC architecture, SQLite and RESTful APIs, plus Android Services and Broadcast Receivers for background functionality.
• Conducted testing and debugging to ensure stability and smooth performance across device ranges.

BS - Software Engineering - Government College University Faisalabad (2015-09 - 2019-06)