Built mainly front-end part with React.

Design the structure of project.

Built pixel-perfect, responsive UI.

I've build the back-end api with node.js

collaborate with front-end developers.

design the models and optimize the search engine.

Clients can see the list of items and buy.

Developed payment process.

Test the production version.

Developed the project management app.

Make it possible to use on mobile machines(mobile friendly)