Олександр

Kochish Oleksandr
Front-end developer

About
Frontend developer with 1+ years of experience in Single Page Application
development using TypeScript, JavaScript, React, Redux, Redux-toolkit, RTK Query.
I am constantly improving my skills in these technologies, and am also actively
studying Next.js and React Native
to expand their capabilities and achieve a higher level of professionalism in
work. In my free time, I actively solve problems on Codewars, which helps me
[відкрити контакти](див. вище в блоці «контактна інформація») develop and
Maintain mental acuity in algorithmic thinking and complex problem solving.
Telegram My main development priority is to create efficient and clean code,
which is easy to maintain and scale. I strive to create high-quality, intuitive
[відкрити контакти](див. вище в блоці «контактна інформація») clear and accessible user interfaces.

LinkedIn
Github
Experience / Frontend Developer January 2022 - present
Portfolio Technology stack
Codewars TypeScript, React, Redux, Redux toolkit, RTK Query, React Router, React Hook Form, Storybook, Axios,
Git, Radix UI, Material UI, WebSockets, Styled Components, SASS, Zod.
Ireland, Atlone.

Key Responsibilities
Team development according to a given design system using Git. Used Redux to manage the state of the application
Skills Optimized the application by implementing Redux Toolkit. Used RTK Query to work with the server and manage the
application state. Used Axios library to handle HTTP requests. Developed forms with error handling using React Hook
JavaScript/TypeScript Form. Set up page navigation using React Router. Used Storybook to test server requests and component presentation.
Developed an authorization block (account creation and editing, reset and recovery
Reactjs/Redux/RTK password, logging in and out of the application).
Query Set up validation in forms using the Zod library.
Used the WebSocket protocol when developing chat to ensure constant
React-hook-form/Zod connections to the server.
Developed polymorphic and custom components using native development tools, and
Axios/WebSockets also using the Radix Ui library.
Styled the application using CSS, SASS, Styled Components, and also using
Storybook/Radix UI libraries Material UI, Antd.

Material UI/Sass/Scss
Projects
Git Film information portal
Project - provides a detailed database of films, trailers, release dates and crew information.

Education
Marvel information portal
IT-INCUBATOR 2022 A project intended for fans of the Marvel universe. Here users can find everything about their favorite superheroes,
including detailed biographies and comic book analysis.
Front-end (React, RTK
query, Next js)
Users page
The project is a web page adding, displaying users, where the user can view users and create new users, this project is a
Business College 2023 test task for one of the companies.

Software
development Languages
Udemy 2023
English-intermediate(in progres)
Ukrainian(Native)
NestJS - from scratch,
modern backend on Russian(Native)
TypeScript and Node JS Polish(intermediate)