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I have over 4 years of hands-on experience as a Frontend Developer which includes developing complex applications and solving challenging problems. I specialize in using frontend frameworks such as React and Next to create dynamic and responsive user interfaces. Additionally, I have experience in mentoring and helping fellow less experienced frontend developers.…

Gleb Koval

Front-End Developer, Web Developer, Programmer, +2

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I have over 4 years of hands-on experience as a Frontend Developer which includes developing complex applications and solving challenging problems. I specialize in using frontend frameworks such as React and Next to create dynamic and responsive user interfaces. Additionally, I have experience in mentoring and helping fellow less experienced frontend developers.…

Available to hire

I have over 4 years of hands-on experience as a Frontend Developer which includes developing complex applications and solving challenging problems. I specialize in using frontend frameworks such as React and Next to create dynamic and responsive user interfaces.

Additionally, I have experience in mentoring and helping fellow less experienced frontend developers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Polish

Advanced

Ukrainian

Fluent

Work Experience

Frontend Developer at Self-employed

October 1, 2024 - November 9, 2025

Frontend development, planning and implementing frontend projects, developing and maintaining JavaScript applications, collaborating with other teams and stakeholders. Conducting code reviews. Technologies: JavaScript, TypeScript, React, CSS, HTML, Next, Redux, Postman, REST, Node.js, Jest, Cypress, Express, Axios, npm/yarn, CI/CD, GitHub Copilot, Figma.

Frontend Developer at AllEat

October 1, 2024 - October 1, 2024

Creating and supporting company product; implementing corrections, acceleration, debug of sites, etc. Teamwork, code reviews, and performance optimization.

Frontend Developer at Blues Brackets

October 1, 2023 - October 1, 2023

Writ ing frontend logic; supporting several company products; mentoring; teamwork; code reviews; performance optimization.

Frontend Developer at Black Core / Marotino

September 1, 2022 - September 1, 2022

Web development; interviewing new customers developers; development of Websites (Landing pages, Blogs, E-commerce projects); Task management between developers; Mentoring new employees; Customer communication.