Виталий

VITALII DYNNIK
🇺🇦 [открыть контакты](см. выше в блоке «контактная информация»), 🇲🇩 [открыть контакты](см. выше в блоке «контактная информация») | ✉️ [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация»)
дынник | Telegram: @vdynnik
SUMMARY
Expert in frontend and backend development using JavaScript, TypeScript, Node.js, React, Vue,
Next.js, Web3, GraphQL, GitHub CI/CD.
Passionate about creating intuitive user interfaces with hidden yet logically accessible functionality
(Figma-like approach).
Strengths: lead engineering teams to meet business goals, safeguard product quality, and
negotiate delivery timelines that balance speed with reliability. Portfolio: github.com/DVitaliy
Regularly apply AI-assisted coding copilots for research, scaffolding, and automation while
retaining full control over architecture, logic, and final code quality through rigorous reviews.
EXPERIENCE
08/2025 - 02/2026 | Kivork 🇲🇩 | Office
Senior Frontend Vue TypeScript Developer
KIVORK is a travel technology hub that designs and continuously perfects the most innovative
all-around Online Travel Agency (OTA) platforms
Tech Stack:
Vue 3, Laravel, Vite, WebSockets, Vitest, AWS Amplify, TypeScript, Pina, Affirm, Stripe
Responsibilities:
Worked on a high-traffic airline booking platform supporting multiple brands
Migrated the checkout flow from React to Vue
Implemented new features for a multi-brand flight booking platform
Integrated payment providers, including Affirm
Wrote unit tests to improve reliability and prevent regressions
Participated in code reviews and maintained code quality standards
Developed and maintained UI components documented in Storybook
Integrated an AI assistant into the frontend via WebSockets to enhance agent productivity
07/2025 - 09/2025 | VLancer 🇮🇱 | Remote
Senior Mobile ReactNative/Next.js TypeScript Developer
Vlancer.ai is an AI-powered freelance marketplace for remote work
Tech Stack:
ReactNative, React, Expo, Next.js, Vite, JWT, TypeScript, Turborepo, TanStack Query
Team Lead Responsibilities:
Feature development and architecture
Managed cross-border teams (Ukraine/Canada/Israel)
Technical onboarding of new developers
Code quality oversight and reviews

02/2022 - 07/2025 | Poolz Finance 🇮🇱 🇵🇹 | Remote
Senior Frontend React TypeScript Developer
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

10/2013 - 01/2022 | i3DESIGN Co., Ltd. 🇯🇵 🇺🇦 | Office
Senior JavaScript/Node.js Developer
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
Key Projects:
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
Achievements:
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
EDUCATION
Specialist Degree in Business Management
National Technical University "Kharkiv Polytechnic Institute" | 1999-2005
LANGUAGES
English: Intermediate (B1)
Russian: Native
Ukrainian: Native
TECHNICAL SKILLS
AI tools: OpenAI | ChatGPT | Codex | Copilot | Claude code
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