🇺🇦 +380677294304, 🇲🇩 +37376831385 | ✉️ dynnik.vitaliy@gmail.com | linkedin.com/виталий-дынник | Telegram: @vdynnik

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

Poolz Finance a leading IDO launchpad providing end-to-end token sale solutions for blockchain projects and investors

Tech Stack:
React 18-19, Next.js, Vite, Vitest, AWS Amplify, Strapi, TypeScript, Tailwind, Redux, Zustand, ERC-4361, Web3, Apollo, GraphQL, GitHub CI/CD

Team Lead Responsibilities:

• Feature development and architecture
• Managed 5-member frontend team
• Onboarded new developers
• Conducted code reviews

Key Projects:

• Web3 & Blockchain Integration
• SDK Development & Deployment Automation
• Whitelist/KYC verification system
• Real-time investor dashboard
• Multi-chain investment processing
• Component-Based Release System

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

Please see the full description

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 16-17, React Native, Node.js, Web Sockets, JaberServer, TypeScript, Recoil, Redux, Materialize, gRPC proto3, AWS Cognito, Firebase, Azure Blob storage, GitLab, PHP, jQuery, HTML5

Team Lead Responsibilities:

• Feature development and architecture
• Managed cross-border teams (Ukraine/Vietnam/Japan)
• Technical onboarding of new developers
• Code quality oversight and reviews

Jupiter (No-code mobile app builder)

• Visual Development Platform: Figma-like interface → Production-ready mobile apps

Flamingo

• XPath Engine: Dynamic content injection via DOM pathing
• Git Versioning: Conflict-free concurrent editing
• Collaborative IDE: Conflict-free concurrent editing (3+ frontend devs simultaneously)
• A/B Testing Framework: Instant variant deployment via Git tagging

Mirron (Social network)

• React Native mobile app development
• Azure cloud infrastructure deployment

AeroEdge (Aircraft assembly system)

• Developed internal analytics dashboard
• Redux state management implementation

• Team Scaling: Managed 5+ distributed developers
• Legacy Modernization: Upgraded jQuery systems to React
• CI/CD: Implemented GitLab pipelines
• Cross-Platform: Delivered React Native + web solutions
• Global Collaboration: Worked with Japanese product teams

Please see the full description

Specialist Degree in Business Management
National Technical University "Kharkiv Polytechnic Institute" | 1999-2005

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

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 | SonarCloud

Other:
SOLID Principles | KISS | DRY | Figma | Jira | Agile

More detailed description Full CV