Oleh

Oleh Ivoniuk - Junior Frontend developer

email: [open contact info](look above in the "contact info" section)
ln: [open contact info](look above in the "contact info" section)

Work Experience:
October 2023 - Present - Junior Developer- EPAM Systems

Languages:
Ukrainian – Native
English – Upper-intermediate.

Skills:

- JavaScript / TypeScript;
- React, React Router, React Hooks;
- Redux, Reduxjs-toolkit;
- Vitest / React native testing library;
- REST API, GraphQL;
- Agile and SCRUM;
- CSS, SASS/SCSS, Bootstrap;
- GIT / GitHub / GitLab;
- JIRA;
- Node.js, NPM, Yarn.

Projects:

S4C (Platform for TV channel).
Technologies: TypeScript, React, Redux, React-Hooks, React hook form, i18next.

Responsibilities:

- Migration from Class-based components to react-hooks;
- Improving optimizations with react memo and lazy loading;
- Maintaining documentation for code, APIs, and development processes to ensure
clarity and accessibility for team members;
- Writing unit tests for React components;
- creating new components according to requirements;
- Building architecture of the project;
- Participating in code review;
- Communicating with the back-end team for improving existing API.

Description:

S4C is a Welsh-language television channel. We transmit live between 6 in the morning and
late at night. It is also possible to watch our programs and videos on other digital platforms
at times that suit you. Independent production companies produce most of the programs.
The BBC also produces around 520 hours a year for the channel.
Team size: Mobile developers: 4, Web developers: 10+ , Back-end developers: 10+, QA: 2

DogHotel

Tech stack: TypeScript, Redux, React Router, ReactJS, Node.js, JavaScript, JIRA, Jenkins,
Gitlab

Responsibilities:

- bug fixes and feature enhancements;
- writing Unit Tests for existing components;
- creating new components according to requirements;
- communicated directly with the customer to change some app functionality for better
performance & user experience;
- rewrite code structure;
- migrating JS to TS;
- adding multi-platform support;
- implement other new features.

Description:

The application serves as a platform for a pet hotel and rescue shelter designed for
individuals unable to travel with their pets, thus ensuring professional care in their absence .

Team size : Web developers: 7 , Back-end developers: 3, QA: 7

Education:
- 2013-2017 – Ivano-Frankivsk National Technical, University Oil and Gas Bachelor’s
degree “Electrical Engineering”;
- 2022-2024 Ivano-Frankivsk National Technical, University Oil and Gas Master’s
degree “Software Engineering”.