• Redesign and refactoring of project modules. Migrating ui modules to the Jetpack Compose declarative approach• Participation in grooming sessions to discuss new functionality and evaluate the design quality from a technical point of view and calculate resources for its implementation.• Made a referral system on android to invite friends and get bonuses for registration by invitation link or qr code• Pair programming with teammates, code discussions, code reviews.• Development of new features in applications, was part of the product team.

• Major experience and skills in production development, being a part of android teamin a Kazakhstani startup.• Writing technical documentation.• Designed and build new architecture for new features in the app for making rankingand sorting content.• CrossFunctional role in the team. Implemented content control and admin system,played role in the marketing team. Made system for banning users for admins, watching reports and deleting content by the help of FirebaseAdminSDK. Result: Deletingor Banning users and their contents was work of one minute for admins.• Refactoring of the code, removing repeated logic and using principles of OOP where itwas needed. Result: More readable code.