· Developed a robust error logging service and created logging middleware and services, significantly enhancing the support team’s ability to diagnose and resolve issues efficiently by providing comprehensive tracking and monitoring of application events to improve debugging.· Introduced Feature-Sliced Design (FSD) to the project, establishing a scalable architecture for better project maintainability.· Implemented comprehensive form validation logic, ensuring data integrity and enhancing user experience by preventing submission errors.· Contributed to developing and refining a UI kit by creating reusable components and integrating Storybook, which enabled isolated component development, visual testing, and accelerated the design and development process across the application.

· Developed and maintained reusable JavaScript SDK presets, streamlining the integration process for clients.· Contributed to the development of the JavaScript SDK, enabling seamless integration of DocSpace document editing functionalities into web applications, reaching a wider user base.· Implemented webhooks to facilitate real-time communication between DocSpace and external applications, enhancing user experience.· Enabled seamless import of data from Nextcloud, Google Workspace, and Onlyoffice Workspace, empowering users to migrate data effortlessly and integrate information into a single location.· Enhanced developer efficiency by contributing to a comprehensive UI kit in Storybook, providing reusableand isolated components for building consistent and performant user interfaces. Improved UI developmentmaintainability by documenting components and their behaviors within Storybook, reducing developmenttime and potential errors.

· Designed and implemented authorization logic with an admin panel, ensuring secure access control within the web application.· Developed an anonymous mailing application, enabling users to send emails without revealing their identities.· Implemented a web application for collection management, empowering users to manipulate and dynamically create items.