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KRYSTYNA KORYAGINA
Frontend Developer

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https://github.com/KrystynaKoryagina
Turkey, Antalya

ABOUT ME

Highly skilled and motivated web developer with 3+ years of experience in building dynamic and responsive web
applications using React and Angular frameworks, with a solid understanding of HTML5, CSS3, JavaScript and
TypeScript.
Currently expanding expertise in Node.js, NestJS, and backend technologies to become a full-stack developer.

EDUCATION

MASTER’S DEGREE 2006-2011
Kharkiv Institute of Trade and Economics
FRONTEND DEVELOPER 2018
EasyCode IT School
REACT / NEXT.JS 2021
Lectrum IT School

SKILLS

HTML5, CSS3, SCSS
JavaScript, TypeScript
Angular, React, Next.Js
RxJs
Redux, RTK / RTK Query, React Query (TanStack Query)
REST API, GraphQL, Apollo GraphQL, Socket.io
Tailwind, Material UI, Bootstrap
Jest, React Testing Library
Webpack, Gulp, ESLint, Storybook
Feature-Slices Design
Node.js, Express, NestJs
PostgreSQL, MongoDB
TypeORM

LANGUAGES

Russian, Ukrainian - Native
English - Pre-Intermediate

WORK EXPERIENCE

SaaS PC health management web application aims to manage and maintain PC fleets in organizations.
Angular Developer, NIX Tech.
June, 2020 - September, 2021
November 2023 - May, 2024

Tools and technologies:
Angular, Typescript, RxJS, Angular Material, Rest API, JIRA, Akita State Management, Jasmine, StoryBook, Highcharts.js
Developed single-page applications from scratch using Angular, creating intuitive user interfaces ensuring
alignment with client requirements.
Designed an interactive dashboard featuring graphs to enhance user experience and facilitate intuitive device
health tracking.
Developed the application in strict adherence to accessibility requirements to support users with disabilities.
Wrote unit tests using the Jasmine framework
Video Creation App from text and podcasts
React Developer, NIX Tech.
March, 2022 - November, 2023
Tools and technologies:
NextJs, Redux Toolkit, Typescript, GraphQL, Apollo GraphQL, Jest
Developed single-page application using React and Feature-Sliced Design architectural methodology.
Wrote unit tests using the Jest framework.
Implemented GraphQL APIs to connect the application to the backend services.
Actively participated in the code review process.
Conducted systematic refactoring of legacy code to improve readability, maintainability, and performance

Web solution for Remote Firmware Administration and Incident Resolution
Angular Developer, NIX Tech.
September, 2021 - March, 2022

Tools and technologies:
Angular, Typescript, RxJS, Angular Material, Rest API, JIRA, Elf, Jest, StoryBook
Played a key role in migrating the platform solution to a micro-front-end architecture.
Engaged in discussions, planning, and estimation of tasks, contributing valuable insights and ideas to enhance
project deliverables and timelines.
Actively participated in the code review process
Developed a custom UI library using the atomic design methodology for maintaining consistent design elements
and functionalities across the application.