Denys
Frontend Developer (React/Next/TypeScript)
- Employment type:
- full-time, part-time
- Age:
- 41 years
- City of residence:
- Kharkiv
- Ready to work:
- Remote
Contact information
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You can get this candidate's contact information from https://www.work.ua/resumes/6358540/
Work experience
Frontend Engineer
from 07.2025 to 09.2026
(1 year 3 months)
InsulaLabs, Дистанційно (IT)
• Develop enterprise-grade UI components for complex Angular/TypeScript platforms, ensuring strict adherence to provided Figma designs and high accessibility standards.
• Extend and maintain user interfaces within strict architectural platform constraints, ensuring consistent behavior across distributed applications without breaking core functionalities.
• Implement shared layouts, side panels, and SVG-based animations, collaborating closely with the core platform team for seamless updates.
• Ensure code quality by actively participating in PR reviews, resolving merge conflicts, and passing strict CI/CD pipeline checks (ESLint, Stylelint).
• Collaborate cross-functionally with Product, QA, and Backend teams to deliver stable releases while minimizing technical debt.
Frontend Developer
from 08.2020 to 05.2025
(4 years 10 months)
Webspark, Харків (IT)
• Developed and maintained UI architectures across e-commerce platforms and CMS-driven web applications, progressively migrating legacy interfaces to React and TypeScript.
• Built and maintained reusable UI components for an internal library (Storybook, Tailwind CSS), improving design consistency and accelerating feature delivery by ~30%.
• Collaborated tightly with backend engineers by creating robust frontend structures and data stubs (mocking data), ensuring a seamless integration layer for Laravel/PHP APIs.
• Drove Web Performance Optimization (WPO) initiatives, improving Lighthouse performance scores to 90+ and Core Web Vitals via strategic code splitting and asset optimization.
• Implemented complex interactive interfaces using GSAP, Lottie, and advanced JavaScript techniques to enhance user engagement on landing pages and checkout flows.
Frontend Developer
from 01.2018 to 07.2020
(2 years 7 months)
Stanfy, Дистанційно (IT)
• Engineered responsive, cross-browser web applications and interactive landing pages using React, JavaScript, SCSS, and Webpack.
• Integrated frontend UI with REST APIs and third-party services, handling JSON data processing for PHP/Twig environments.
• Championed the transition to component-based development, significantly improving codebase maintainability and scalability for client projects.
Markup & Frontend Developer
from 04.2015 to 12.2017
(2 years 9 months)
Freelance, Дистанційно (IT)
Delivered end-to-end frontend solutions for diverse clients, building responsive websites and CMS themes (WordPress) utilizing HTML5, CSS3, JavaScript, jQuery, and BEM methodology.
Hardware/Systems Engineer
from 07.2010 to 08.2017
(7 years 2 months)
Triol Corporation, Харків (Машинобудування)
Commissioned, programmed, and troubleshot automated electromechanical systems and microcontroller-based logic. Progressed to Department Manager, overseeing technical operations and hardware/software integration.
Hardware-інженер
from 04.2008 to 07.2010
(2 years 4 months)
SHGPP, Андріївка (Харківська обл.) (Гірнича промисловість)
Commissioned, programmed, and troubleshot automated electromechanical systems and microcontroller-based logic. Progressed to Department Manager, overseeing technical operations and hardware/software integration.
Education
НТУ ХПИ
Электромеханические системы и привод, Харьков
Higher, from 2002 to 2008 (6 years)
Additional education and certificates
JavaScript-developer, Spalah IT School
2016, 5 месяцев
Markup Developer, From 0 to 1
2019, 4 месяца
Knowledge and skills
- HTML
- CSS
- JavaScript
- Git
- React
- Figma
- TypeScript
- Redux
- Next.js
- REST API
- JQuery
- Webpack
- MySQL
- JS
- Angular
- Laravel
- FSD
- Modular Architecture
- Micro-frontends
- Module Federation
- Monorepos
- Turborepo
- TanStack Query
- React Query
- Zustand
- Redux Toolkit
- React Hook Form
- Zod
- OpenAPI
- GraphQL
- WebSockets
- Tailwind CSS
- SCSS/SASS
- CSS Modules
- CSS-in-JS
- Headless UI
- Shadcn/ui
- Radix UI
- Storybook
- Web Accessibility
- Vitest
- Jest
- ESLint
- Vite
- Turbopack
- Pnpm
- CI/CD
- Core Web Vitals Optimization
- SSR / SSG / ISR
- PostgreSQL
Language proficiencies
- English — above average
- Ukrainian — fluent
Additional information
• [
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• LinkedIn: [
• GitHub: github.com/ashuksu
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