Position: Senior Flutter Developer
Category: Flutter
English level: upper
Years of experience: 4

1. Successfully proposed and led the development of a user-hosted challenges feature, resulting in a 191% month-on-month increase in user engagement and improved user retention. This accomplishment showcases my ability to think ahead and identify areas for improvement in the app, as well as my leadership skills in guiding the development team to success.
2. Successfully proposed and led the development of a system to automate the submission and processing of user complaints, resulting in a significant increase in complaint submissions, complete elimination of the backlog, improved efficiency of the complaint submission and resolution process and increased user satisfaction by 25%. This accomplishment showcases my problem-solving skills, my leadership skills in guiding a team, my proficiency in analyzing the current process and my proficiency in backend infrastructure.
3. Implemented an SDK with a TDD architecture to handle REST API calls, improving the maintainability, scalability, and testability of backend communication. This accomplishment showcases my proficiency in software development, my attention to detail and my ability to think about the longevity of the app and its future maintainability.
4. Led the team in implementing new user interface for the app, improved the aesthetic and usability of the app, resulting in increased user engagement and satisfaction. This accomplishment showcases my leadership skills, my ability to understand user needs, my proficiency in design and development, and my ability to deliver a great user experience.
5. Recognized for the quality of my work with a 25% salary increase and received a promotion as a senior developer at Cadoo, showcasing my ability to deliver successful mobile applications that improve user engagement and retention, my leadership skills and my proficiency in mobile development and Flutter framework.
With 4 years of experience in mobile development, I specialize in Flutter and have a strong understanding of its frameworks and the Dart language. Utilizing a variety of packages and third-party SDKs, I have developed performant and visually stunning applications. I have previously worked at two startups where I gained experience building a variety of different types of applications.

One of my past projects was an online personal trainer application where I implemented video calls using Agora.io, integrated Stripe for payment processing, and utilized Firebase services for deep links, push notifications, remote configuration, authentication, and analytics.

Another of my past projects was an app that provided financial motivation for users to reach their fitness goals. On this project, I also leveraged Firebase services and Dio HTTP client for communication with the REST API service. Overall, my experience in various startups has allowed me to become adept at building mobile applications that are both functional and user-friendly.