Mark Popov Email & Phone Number

Limassol, Cyprus

Limassol, Cyprus

- Took ownership of Android development for the Lensa photo editor, leading the redesign project to a successful release and addressing a wide range of issues to ensure product quality.- Integrated the Hollywood face beautification feature for single and dual-face processing, enhancing the application’s editing capabilities.- Optimized the editor engine to enable high-resolution photo exports of up to 50MP, ensuring compatibility with device memory constraints and achieving a 99.9% success rate with minimal quality degradation.- Enhanced the app’s performance on Jetpack Compose by minimizing unnecessary recompositions and resolving critical issues.- Expanded technical analytics coverage using Amplitude, building dashboards to monitor app performance and user behavior.- Implemented robust logging in Crashlytics to track and address complex issues, improving stability and user experience.- Conducted code reviews, drove key technical decisions, and improved processes for photo preprocessing within the editor, ensuring seamless functionality and performance.

Limassol, Cyprus

- Played a pivotal role in the complete redesign of the Lensa photo editor, migrating the application to Jetpack Compose and delivering a modern, intuitive interface.- Designed the app’s architecture, developed design system components with precise attention to detail and smooth animations, and implemented new features as part of the redesign.- Developed the Crop Tool using a state-based approach in Jetpack Compose, incorporating full animation, undo-redo functionality, and perspective adjustments.- Extended the C++/GLES editor engine to implement the Selective Color feature and seamlessly integrated it into the Android application.- Actively contributed to defining technical solutions through collaborative discussions, conducted code reviews, and contributed to maintaining high-quality standards across the project.

- Worked in the Student Dashboard team, focusing on enhancing and expanding the functionality for Skyeng’s mobile application, Russia’s largest online English school and a leader in the EdTech industry.- Developed the scheduling and lesson booking interface from scratch using Jetpack Compose, delivering a responsive and intuitive solution that streamlined lesson management for students.- Contributed to the implementation of subscription-based lessons within the billing system, focusing on the client-side development.- Operated within a Large-Scale Scrum (LeSS) framework and collaborated closely with cross-functional teams, including backend developers, designers, QA engineers, and product managers.

- Joined the Telegram Android development team after successfully passing a series of competitive challenges in 2019, showcasing expertise in mobile development.- Contributed to the development and maintenance of Telegram Android app, a globally recognized messaging platform with over 1 billion downloads on Google Play.- Worked as part of a small team, implementing new features, resolving bugs, and optimizing app performance to enhance the experience for hundreds of millions of users.- Worked within a Java-based Android stack, avoiding external libraries to maintain a lightweight and efficient codebase.- Collaborated closely with designers and QA to ensure seamless functionality and high-quality updates.

- Collaborated with a diverse range of clients over seven years, delivering consistent, high-quality results.- Gained experience in all stages of development, from initial concept and prototyping to deployment and maintenance.- Worked independently and adapted quickly to new technologies, ensuring high-quality results under tight deadlines.- Developed strong communication and project management skills through direct interactions with clients.