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Vadym
Front-end програміст
- Considering positions:
- Front-end програміст, Javascript-програміст, Full stack програміст
- Age:
- 21 years
- City of residence:
- Uzhhorod
- Ready to work:
- Mukachevo, Remote, Uzhhorod
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VADYM DUFYNETS
Frontend / Fullstack Developer
Uzhhorod, 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)
PROFILE SUMMARY
Experienced Developer with 5+ years of commercial experience specializing in modern web application
development across fintech, Web3, marketing, and fitness industries. Expert in React ecosystem, Next.js
architecture, and TypeScript development with extensive background in building complex user interfaces, data
visualization dashboards, and interactive Web3 platforms. Demonstrated expertise in performance optimization,
advanced SEO strategies, and cross-browser compatibility ensuring exceptional user experiences. Skilled in
implementing robust testing frameworks, managing application state, and integrating third-party APIs for seamless
functionality. Proven ability to work effectively in Agile environments while coordinating with cross-functional teams
to deliver high-quality software solutions.
PROFESSIONAL SKILLS
• Application Development: Design, develop, and maintain web and mobile applications from scratch according
to business requirements.
• Technical Planning: Define technical specifications and architecture based on product needs and stakeholder
input.
• Agile Project Management: Manage tasks and resources using Scrum and Kanban methodologies, ensuring
timely delivery.
• Cross-Team Communication: Facilitate effective communication between engineering, design, product, and QA
teams.
• Product Lifecycle Management: Oversee development, deployment, and ongoing maintenance of products.
• Team Leadership: Hire, onboard, and mentor engineers to build productive and cohesive development teams.
• SEO Optimization: Implement advanced SEO strategies, meta tag optimization, and performance
improvements.
TECHNICAL SKILLS
Languages JavaScript | TypeScript | PHP
Frontend Frameworks React.js | Next.js | Redux | Redux Toolkit | RTK Query | Zustand | Tanstack
Query | Material UI | Chakra UI | Ant Design | Shadcn UI | Apollo GraphQL
Backend Node.js | Express.js | NestJS | Laravel
Web3 & Blockchain Ethereum.js | Web3.js
Styling HTML5 | CSS3 | SASS | LESS | Tailwind CSS | Styled Components | Framer
Motion
Testing & Experimentation Jest | Vitest | Cypress | React Testing Library | GrowthBook | A/B Testing
Dev Tools & AI Git | GitHub | GitLab | Nx Monorepo | Vite | Webpack | Claude Code | OpenAI
Codex | MCP | Figma MCP | LLM Integration
APIs & Communication GraphQL | REST API | WebSockets | Axios | Ky
Analytics & Monitoring Firebase | Google Analytics 4 (GA4) | Google Search Console (GSC) | Sentry |
ECharts.js
Databases PostgreSQL | MongoDB | Supabase
CMS WordPress | Elementor | Advanced SEO Plugins
Server & Cloud Plesk | AWS | PHP 8.3
Project Management Jira | Confluence | Trello | Miro | Notion | Microsoft Office
Operating Systems macOS | Linux | Windows
WORK EXPERIENCE
Senior Frontend Developer / SEO Specialist | Zeely May 2025 – Present
• Achieving 100% Google PageSpeed scores through advanced optimization techniques
• Coordinating with SEO team of 10 specialists to increase organic traffic by 40%
• Successfully migrated WordPress site from PHP 7.4.3 to 8.3 with zero downtime
• Designing and initiating migration strategy from WordPress to Next.js
• Implementing comprehensive SEO strategies and site structure improvements
Senior Full-Stack Developer | WIARA - DAAS Apr 2023 – Sep 2025
• Led frontend development initiatives for blockchain-based platforms
• Architected scalable solutions using React, TypeScript, and modern web technologies
• Coordinated with cross-functional teams and product stakeholders
• Implemented Web3 integrations and crypto wallet connections
• Promoted from Middle to Senior role based on technical excellence and leadership
Full-Stack Developer | Training Club Aug 2022 – Mar 2023
• Developed responsive fitness application with workout tracking features
• Built backend services and RESTful APIs with Express.js and MongoDB
• Implemented real-time WebSocket connections for live workout sessions
• Created complex multi-step forms using React Hook Form and Zod
• Established comprehensive testing strategy achieving 90%+ code coverage
Full-Stack Developer | Centum-D Aug 2021 – Jul 2022
• Developed and maintained frontend applications using React and TypeScript
• Collaborated with design and backend teams to deliver quality solutions
• Implemented responsive designs and cross-browser compatible interfaces
• Participated in code reviews and maintained coding standards
KEY PROJECTS
NFT Marketplace Platform (WIARA-DAAS)
Role: Senior Full-Stack Developer
• Implemented cutting-edge Web3 design for blockchain-based NFT marketplace platform
• Established Nx monorepo architecture from scratch with shared libraries
• Set up secure crypto wallet connections and smart contract integrations
• Built comprehensive design system with Material UI components
• Created interactive charts and analytics dashboards using ECharts.js
Tech: React | TypeScript | Nx Monorepo | Material UI | GraphQL | AWS | Web3.js | ECharts.js
Tedooo Social Platform (Internal WIARA Project)
Role: Senior Full-Stack Developer
• Architected and implemented advanced Next.js features including SSR, ISR, and SSG
• Created comprehensive design system with Storybook documentation
• Reduced development time by 30% through reusable components
• Maintained 100% Google PageSpeed scores through optimization strategies
• Integrated efficient GraphQL queries and mutations
Tech: Next.js | Storybook | TypeScript | GraphQL | Tailwind CSS | Shadcn UI
Zeely.ai Marketing Platform (Top 10 Forbes Ukraine Startup)
Role: Senior Frontend Developer / SEO Specialist
• Achieved 100% Google PageSpeed scores through advanced optimization techniques
• Increased organic traffic by 40% through comprehensive SEO strategies
• Successfully migrated WordPress site from PHP 7.4.3 to 8.3
• Designed migration strategy from WordPress to Next.js
• Coordinated with SEO team of 10 specialists
Tech: React | Next.js | WordPress | PHP 8.3 | TypeScript | Tailwind CSS | ECharts.js
SwissBorg Fintech Platform
Role: Frontend Developer
• Implemented cutting-edge Web3 design with internal UI system
• Set up secure crypto wallet connections for financial transactions
• Selected and integrated libraries for advanced Web3 functionalities
• Participated in successful product launch and post-launch support
Tech: React | Next.js | TypeScript | Redux | RTK Query | Web3.js | Ethereum.js | GraphQL | AWS
Fitness Application (Training Club)
Role: Full-Stack Developer
• Developed responsive fitness application with workout tracking features
• Built backend services and RESTful APIs with Express.js and MongoDB
• Implemented real-time WebSocket connections for live sessions
• Achieved 90%+ code coverage with comprehensive testing strategy
Tech: React | Redux | Express.js | MongoDB | TypeScript | Material UI | Jest | Cypress
EDUCATION
Bachelor of Software Engineering
Uzhhorod National University | 2022 – 2026
LANGUAGES
🇺🇦 Ukrainian: Native Speaker 🇬🇧 English: Upper Intermediate (B2)
ADDITIONAL INFORMATION
Years of Experience 5+ years in commercial frontend development
Availability Open to full-time opportunities
Work Authorization Ukraine
Preferred Work Type Remote | Hybrid | On-site
Frontend / Fullstack Developer
Uzhhorod, Ukraine | [
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PROFILE SUMMARY
Experienced Developer with 5+ years of commercial experience specializing in modern web application
development across fintech, Web3, marketing, and fitness industries. Expert in React ecosystem, Next.js
architecture, and TypeScript development with extensive background in building complex user interfaces, data
visualization dashboards, and interactive Web3 platforms. Demonstrated expertise in performance optimization,
advanced SEO strategies, and cross-browser compatibility ensuring exceptional user experiences. Skilled in
implementing robust testing frameworks, managing application state, and integrating third-party APIs for seamless
functionality. Proven ability to work effectively in Agile environments while coordinating with cross-functional teams
to deliver high-quality software solutions.
PROFESSIONAL SKILLS
• Application Development: Design, develop, and maintain web and mobile applications from scratch according
to business requirements.
• Technical Planning: Define technical specifications and architecture based on product needs and stakeholder
input.
• Agile Project Management: Manage tasks and resources using Scrum and Kanban methodologies, ensuring
timely delivery.
• Cross-Team Communication: Facilitate effective communication between engineering, design, product, and QA
teams.
• Product Lifecycle Management: Oversee development, deployment, and ongoing maintenance of products.
• Team Leadership: Hire, onboard, and mentor engineers to build productive and cohesive development teams.
• SEO Optimization: Implement advanced SEO strategies, meta tag optimization, and performance
improvements.
TECHNICAL SKILLS
Languages JavaScript | TypeScript | PHP
Frontend Frameworks React.js | Next.js | Redux | Redux Toolkit | RTK Query | Zustand | Tanstack
Query | Material UI | Chakra UI | Ant Design | Shadcn UI | Apollo GraphQL
Backend Node.js | Express.js | NestJS | Laravel
Web3 & Blockchain Ethereum.js | Web3.js
Styling HTML5 | CSS3 | SASS | LESS | Tailwind CSS | Styled Components | Framer
Motion
Testing & Experimentation Jest | Vitest | Cypress | React Testing Library | GrowthBook | A/B Testing
Dev Tools & AI Git | GitHub | GitLab | Nx Monorepo | Vite | Webpack | Claude Code | OpenAI
Codex | MCP | Figma MCP | LLM Integration
APIs & Communication GraphQL | REST API | WebSockets | Axios | Ky
Analytics & Monitoring Firebase | Google Analytics 4 (GA4) | Google Search Console (GSC) | Sentry |
ECharts.js
Databases PostgreSQL | MongoDB | Supabase
CMS WordPress | Elementor | Advanced SEO Plugins
Server & Cloud Plesk | AWS | PHP 8.3
Project Management Jira | Confluence | Trello | Miro | Notion | Microsoft Office
Operating Systems macOS | Linux | Windows
WORK EXPERIENCE
Senior Frontend Developer / SEO Specialist | Zeely May 2025 – Present
• Achieving 100% Google PageSpeed scores through advanced optimization techniques
• Coordinating with SEO team of 10 specialists to increase organic traffic by 40%
• Successfully migrated WordPress site from PHP 7.4.3 to 8.3 with zero downtime
• Designing and initiating migration strategy from WordPress to Next.js
• Implementing comprehensive SEO strategies and site structure improvements
Senior Full-Stack Developer | WIARA - DAAS Apr 2023 – Sep 2025
• Led frontend development initiatives for blockchain-based platforms
• Architected scalable solutions using React, TypeScript, and modern web technologies
• Coordinated with cross-functional teams and product stakeholders
• Implemented Web3 integrations and crypto wallet connections
• Promoted from Middle to Senior role based on technical excellence and leadership
Full-Stack Developer | Training Club Aug 2022 – Mar 2023
• Developed responsive fitness application with workout tracking features
• Built backend services and RESTful APIs with Express.js and MongoDB
• Implemented real-time WebSocket connections for live workout sessions
• Created complex multi-step forms using React Hook Form and Zod
• Established comprehensive testing strategy achieving 90%+ code coverage
Full-Stack Developer | Centum-D Aug 2021 – Jul 2022
• Developed and maintained frontend applications using React and TypeScript
• Collaborated with design and backend teams to deliver quality solutions
• Implemented responsive designs and cross-browser compatible interfaces
• Participated in code reviews and maintained coding standards
KEY PROJECTS
NFT Marketplace Platform (WIARA-DAAS)
Role: Senior Full-Stack Developer
• Implemented cutting-edge Web3 design for blockchain-based NFT marketplace platform
• Established Nx monorepo architecture from scratch with shared libraries
• Set up secure crypto wallet connections and smart contract integrations
• Built comprehensive design system with Material UI components
• Created interactive charts and analytics dashboards using ECharts.js
Tech: React | TypeScript | Nx Monorepo | Material UI | GraphQL | AWS | Web3.js | ECharts.js
Tedooo Social Platform (Internal WIARA Project)
Role: Senior Full-Stack Developer
• Architected and implemented advanced Next.js features including SSR, ISR, and SSG
• Created comprehensive design system with Storybook documentation
• Reduced development time by 30% through reusable components
• Maintained 100% Google PageSpeed scores through optimization strategies
• Integrated efficient GraphQL queries and mutations
Tech: Next.js | Storybook | TypeScript | GraphQL | Tailwind CSS | Shadcn UI
Zeely.ai Marketing Platform (Top 10 Forbes Ukraine Startup)
Role: Senior Frontend Developer / SEO Specialist
• Achieved 100% Google PageSpeed scores through advanced optimization techniques
• Increased organic traffic by 40% through comprehensive SEO strategies
• Successfully migrated WordPress site from PHP 7.4.3 to 8.3
• Designed migration strategy from WordPress to Next.js
• Coordinated with SEO team of 10 specialists
Tech: React | Next.js | WordPress | PHP 8.3 | TypeScript | Tailwind CSS | ECharts.js
SwissBorg Fintech Platform
Role: Frontend Developer
• Implemented cutting-edge Web3 design with internal UI system
• Set up secure crypto wallet connections for financial transactions
• Selected and integrated libraries for advanced Web3 functionalities
• Participated in successful product launch and post-launch support
Tech: React | Next.js | TypeScript | Redux | RTK Query | Web3.js | Ethereum.js | GraphQL | AWS
Fitness Application (Training Club)
Role: Full-Stack Developer
• Developed responsive fitness application with workout tracking features
• Built backend services and RESTful APIs with Express.js and MongoDB
• Implemented real-time WebSocket connections for live sessions
• Achieved 90%+ code coverage with comprehensive testing strategy
Tech: React | Redux | Express.js | MongoDB | TypeScript | Material UI | Jest | Cypress
EDUCATION
Bachelor of Software Engineering
Uzhhorod National University | 2022 – 2026
LANGUAGES
🇺🇦 Ukrainian: Native Speaker 🇬🇧 English: Upper Intermediate (B2)
ADDITIONAL INFORMATION
Years of Experience 5+ years in commercial frontend development
Availability Open to full-time opportunities
Work Authorization Ukraine
Preferred Work Type Remote | Hybrid | On-site
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The candidate's resume is posted at https://www.work.ua/resumes/10805977/