Javascript (React) developer candidate in L'viv, Lvivska oblast, Ukraine

Summary

REACT.JS EXPERIENCE

8DX - Cryptocurrency Trading Platform (server-side application) 07.19 - 11.19 (React version - 16.8.3)

First project with React technology - cryptocurrency trading platform for the Australian market. Customer from Australia. Main role: second JavaScript(Front-end) developer.
Main duties: successfully adaptation of new features and supporting/refactoring old ones. Major achievements:
Implementation and customization currency graph from a Trading View.
Work with Web-Sockets, creating a custom messenger inside the platform (between client and admins). Customer design implementation.
Currency-filtered tables, forms, etc.
Stack: React.js, Redux, Next.js, ReactStrap, Ruby

MAD - CRM System (server-side application) (React version - 16.13.1)
11.19 - 06.21
Project on React which was started from scratch by myself and our tech lead. Now successfully delivered to the production with a long-time support perspective. Customer from the USA.
Main role: JavaScript(Front-end) developer. Main duties:
Application development from scratch.
New features implementation/invention/review. Documentation analysis.
Communication with a customer(by request). External libraries implementation.
Old features support.
Cross-browser, mobile adaptivity.
Other developers' subtleties.
Major achievements:
Design implementation & investigation.
Front architecture creation + setup.
Client authentication/authorization by JWT token.
Creating/updating/deleting/filtering information about contacts/users.
Support of a calendar implementation and Google synchronization.
Creation of custom, adaptive, resizeable & draggable dashboards.
Different kinds of forms, filters, searches, sorting tables, etc.
Developing features of merging, importing, exporting, and downloading contacts from files and systems. Two-color theme implementation.
Creation of a custom tag system, store, etc.
Stack: React.js, Redux, React Hooks, Next.js, Ruby, Bulma.
NOXX - Sports Cards Trading System (client-side application) (React version - 17.0.2)
06.21 - 12.21
Finished typescript-functional Project on React with Hooks & Context usage. Trading system for USA collections of sports cards. Customer from the USA.
Main role: JavaScript(Front-end) developer. Second one. (Two middle developers on the front). Main duties:
The quick development of application in start-up tempo. Features implementation/invention/review, design updates. Responsive design adaptation and excogitation. Prioritization & stories estimation.
Graph, croppers & other libraries implementation. Change request adaptation features improving. Cross-browser, mobile adaptivity, etc.
Bug fixing & performance improvement.
Major achievements:
Custom design implementation.
Architecture investigation and setup.
Client authentication/authorization by JWT token with Auth0 library support.
Created using Resumonk - Online Resume Builder

Creating/updating/deleting/filtering information about cards.
Support and implementation of a D3 graph.
Creation of custom, adaptive, resizeable & draggable menus for card filtering.
Validation forms, filters, searches, sorting tables, etc.
Developing features of cropping, importing, exporting, and downloading cards from files, external data, and systems. Pixel perfect desktop + mobile adaptation.
Creation of a custom showcase system.
Card recognition implementation.
Stack: React.js, React Hooks, React Context, Java, Ant Design.

AXIOS - Custom Pharmacy System for patient & medicine operations (server-side application) (React version - 18.0.0)
01.22 - PRESENT
Last project with React usage. Axios pharmacy system for UAE(mostly) and worldwide physicians & patients usage for treatment, pharmacy, prescriptions, bills, etc.
Main role: JavaScript(Front-end) developer. (Three developers, one on the front end & two on the back end).
Main duties:
Twig library investigation & rewriting.
React integration into the current system.
New design implementation.
Support of old features & rearrangement of legacy code. Front-end application customization
Major achievements:
Custom design library development & integration to main and collateral projects.
React integration & re-development of the old functionality with new features. Better solution research for project needs.
Legacy JS functionality replacement.