Andrey Perminov focused on dependency management within the nestjs/nest repository, specifically targeting sample 10 to streamline its development environment. He identified and removed the unused @types/express package, a TypeScript type dependency, thereby reducing unnecessary maintenance and installation overhead without impacting the sample’s functionality. This targeted cleanup improved the consistency of development dependencies across samples and laid the foundation for future optimizations. Working primarily with Node.js and TypeScript, Andrey’s contribution addressed technical debt by ensuring only essential packages remained, reflecting a methodical approach to project hygiene. The scope of work was narrow but addressed a clear, practical engineering need.