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Diana Koval
Front End Developer

 Kyiv, Ukraine  [open contact info](look above in the "contact info" section)  [open contact info](look above in the "contact info" section)
 [open contact info](look above in the "contact info" section) Telegram: @Koval2001

Skills Summary
React.js Next.js I am a Front-end developer with 5 years of experience in React.js development.
Dedicated to delivering high-quality results on time. Recognised for my
TypeScript GraphQL results-oriented characteristic and my ability to lead and collaborate within
Redux Webpack cross-functional teams, I thrive in fast-paced environments and I am
committed to continuous learning, education and growth.
Jira, Trello Docker
SQL, Postgresql CI/CD (AWS) Experience

Firebase cloud BetterMe Apr. 2023 - Now
Front End Developer Kyiv
Education Technologies: React.js, Next.js, TypeScript, Redux.
NTUU KPI Developed and maintained marketing sales funnel.
Computer Science
Coding activities: code review, deployment, creation and validation tech
Sep. 2018 - Jun. 2022
Bachelor points on tech retro - implementation of action items, codebase audit
structured in confluence doc, discussion it with the team, brainstorming
Institute of Applied System Analysis new ideas of technical improvements.
(IASA), CAD Department.
Settled up activity of writing FE tests (unit, integration, e2e) using Jest,
React testing library, Cypress.
NTUU KPI
Computer Science Leaded process of features/AB-tests delivery (once per 2 week):
Sep. 2022 - Jan. 2024 development, feature ownership, cross-functional team work, cross-
Master's degree team communication, written documentation about technical details.
Institute of Applied System Analysis Mentored a junior developer for 9 months: created PDP plan for hard
(IASA), CAD Department. skills, 1-2-1, status checks of current progress. My mentee is now a fully
independent developer.
Certifications Researched solutions for business problems: created POCs,
implementation of it, demos for other teams.
Microfrontends with React
Udemy Integrated with new tool for AB-tests set up.
Dec, 2024 - Jan, 2025 Created tool for checking translations on website.
GraphQL Developer - Associate Created tool for optimising work of CMS managers (custom Figma
Apollo GraphQL plugin developed).
Sep, 2022 - Oct, 2022
Identified problems via Sentry, Bugsnag and fixed problems.
The Complete Node.js Developer Designed and developed admin panel for internal use.
Course
Udemy Geniusee Nov, 2020 - Apr, 2023
Jun, 2021 - Aug, 2021 Middle Front End Developer Kyiv

Languages Technologies: React.js, Next.js, Redux.

English Developed from scratch marketing websites for start-ups.
C1 Developed from scratch start-up platforms.
German Designed and developed from scratch admin dashboards.
B1 Maintenance of main company website. Mark-ups and bug fixes.
Co-organized knowledge-sharing activities across FE developers in the
company.

Будинок іграшок Oct, 2019 - Jan, 2021
Junior Front End Developer Kyiv
Co-worked on redesign of main e-commerce website.
Developed marketing landing pages , emails.
Designed and developed redesign of admin dashboard.
Supported bug fixes, features on main e-commerce website.