Vadim Lee

Flutter Senior Developer

Participated in the development of a B2C mobile application using Flutter, delivering new features and improving overall user experience. Worked closely with the team to develop and maintain a B2C web application using React. Designed and implemented new features, including in-app VPN functionality, enhancing product value and user retention. Contributed to a B2B white-label solution, adapting the core product for multiple clients and accelerating partner integrations. Collaborated with product managers, designers, and backend engineers to deliver features end-to-end from concept to release.

• Designed and implemented in-app VPN functionality, enhancing product value and user retention
• Contributed to a B2B white-label solution, accelerating partner integrations

Flutter Developer

Led the development of an electric vehicle charging platform in Kazakhstan. Architected and implemented a real-time charging station monitoring system using WebSocket. Developed a custom map interface integrating both Google Maps and Yandex Maps APIs. Implemented secure payment gateway integration supporting multiple payment methods. Migrated the project's backend from Firebase to a custom backend server using Python Django.

• Migrated the project's backend from Firebase to a custom backend server using Python Django, resulting in a 20% reduction in application crashes

Flutter Developer

Implemented chat functionalities and post publishing within the application. Integrated Firebase to enable push notifications and facilitate real-time chatting capabilities within the app. Created responsive and adaptive mobile interfaces by translating Figma design specifications into pixel-perfect Flutter implementations.