Denys

[відкрити контакти](див. вище в блоці «контактна інформація»)
DENYS HOLEI @ianimeden
React Front-End Developer [відкрити контакти](див. вище в блоці «контактна інформація»)
Chernivtsi, Ukraine

Summary Skills
Results-driven Frontend Developer with 5 years of React TypeScript JavaScript
experience in the React ecosystem. Expert in developing
CSS/SCSS React Query Redux
complex analytical interfaces, reusable component libraries,
and data visualization tools. Strong background in React Hooks Node.js Rest API
engineering high-quality, maintainable codebases from
scratch and refactoring legacy systems to scale. Passionate
about performance tuning and clean code architecture. Interests
Gaming Puzzle Solving
Experience
Collecting Cards Baking
React Front End Developer Oct / 2021 - August / 2026
Quant Azimuth
Strengths
Architected and scaled data-heavy user interfaces for
complex OSINT web applications, focusiing on high Flexible Resilient
performance and seamless user experience.

Dedicated Self-motivated
Developed interactive analytical dashboards,
implementing reusable charts, pie charts, and data tables
to visualize complex, structured datasets efficiently.
Languages
Designed and optimized scalable API integration layers
using Axios and React Query and reducing redundant English(B1-B2)
network requests.

Spearheaded UI refactoring initiatives, transforming Ukrainian
legacy components into a reusable, modular UI kit and
wizard-based multi-step interfaces.
Education
Managed complex application state using Redux and
React Hooks, ensuring predictable data flow across Master’s Degree in Software
dynamic, interconnected components.
Engineering from Yuriy Fedkovych
Led cross-functional integration efforts, collaborating via Chernivtsi National University,
application pipelines to seamlessly connect frontend UI Ukraine.
with backend services and infrastructure.

Proactively investigated and resolved critical bugs and
bottlenecks across the entire application ecosystem,
significantly improving platform stability.

Successfully implemented multi-language support across
the application using i18next to meet localization
requirements.