- developing a product for corporate use from scratch;

- development of structure and design of the database;

- took part in choosing the application architecture;

- implemented continuous integration and continuous delivery inthe application life cycle;

- attended demo meetings and discussed the development of theproject;

- participated in determining estimate time;

- optimized database queries, reducing query response timesand improving overall application performance;

- development of new functionality and support of existing ones;

- implemented secure authentication and authorization solutions,ensuring the protection of sensitive customer data;

- performed database migration;

- implemented continuous delivery by declarative infrastructureand automated deployment;

- performed code review;

- development of new functionality for the application;

- improved overall code quality and efficiency through regularcode reviews and collaboration with other developers;

- managing SQL and NoSQL databases;

- creation and expansion of documentation;

- experience with patterns and development methodologies;