Виталий

VITALII DYNNIK
[відкрити контакти](див. вище в блоці «контактна інформація») | Mail | LinkedIn | Telegram | Kharkiv

SUMMARY
Expert in frontend and backend development using JavaScript, TypeScript,
Node.js, React, Next.js Developer, Web3, GraphQL, GitHub CI/CD.
Passionate about creating intuitive user interfaces with hidden yet logically ac-
cessible functionality (Figma-like approach).
Portfolio: github.com/DVItally

EXPERIENCE
Senior Frontend React TypeScript Developer
Poolz Finance | Remote | 02/2022 - 07/2025
A leading IDO launchpad providing end-to-end token sale solutions
for blockchain projects and investors
Tech Stack:
React 18-19, Vite, AWS, Strapi, TypeScript, Tailwind, Redux, Zustand, ERC-
4361, GraphQL, GitHub CI/CD
Team Lead Responsibilities:
• Feature development and architecture
• Managed 5-member frontend team
• Onboarded new developers
• Conducted code reviews
Key Projects:
• Whitelist/KYC verification system
• Real-time investor dashboard
• Multi-chain investment processing

Senior JavaScript/Node.js Developer
i3DESIGN Co., Ltd. | Kharkiv, Ukraine | 10/2013 - 01/2022
i3Design is a tech company that provides mobile services to top-tier
Japanese companies. As part of our GOMOBILE service line, we
provide the exceptionally popular platform called “Flamingo,”
Tech Stack:
React 17, Node.js, TypeScript, Recoil, gRPC proto3, AWS Cognito, GitLab
Achievements:
• Full-stack development of enterprise mobile platform

1
 • Implemented gRPC microservices
• Optimized AWS Cognito integration

EDUCATION
Specialist Degree in Business Management
National Technical University “Kharkiv Polytechnic Institute” | 1999-2005

KEY ACHIEVEMENTS
• Team Leadership: Scaled delivery speed by 25% with 5-member team
• Performance: Reduced page load time by 40%
• DevOps: Cut deployment errors 50% via GitHub CI/CD
• Quality: Achieved 80% code coverage with unit tests
• Web3: Integrated smart contract connectivity
• Tooling: Developed SDK for rapid project setup
• Automation: Streamlined releases via GitHub Actions

LANGUAGES
• English: Intermediate (B1)
• Russian: Native
• Ukrainian: Native

TECHNICAL SKILLS
Frontend:
React | Next.js | TypeScript | Redux | Recoil | Zustand | Tailwind
Backend:
Node.js | GraphQL | gRPC | REST API | WebSockets
Blockchain:
Web3 | ERC-20/721/4361 | Smart Contracts
DevOps:
Ubuntu | Linux | GitHub Actions | Docker | AWS | Strapi
Testing:
Vitest | Jest | CI/CD
Other:
SOLID Principles | Figma | Jira | Agile

2