Development of a SPA online store for sportswear

Developed a SPA application for an online store of sports clothing and footwear with a focus on performance, stability, and user interface convenience.

Project Goal

Creating a scalable e-commerce platform for:

selling sports clothing and footwear
easy navigation through the catalog
quick processing of user actions

An important task was also to eliminate stability and performance issues in the system.

Implemented Functionality
Product catalog (footwear, clothing, accessories)
Product pages with dynamic data loading
Filtering and navigation by categories
SPA architecture (without page reload)
User authentication
CRUD operations (products / orders)
Responsive layout

Technologies
React / Next.js, TypeScript / JavaScript, Redux, Node.js, MongoDB, REST API

My Role
Development of the online store interface (UI + logic)
Performance and rendering optimization
Working with API and application state
Building component architecture

Results and Insights
Transition to a new iterator, which reduced money loss on transaction fees
Identified bottlenecks in the caching and session storage system
Accelerated interface loading
Analyzed the backend instability issue (Redis error)