Tech Lead / AI Agent Builder / Senior Fullstack Engineer

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

Tech Lead and AI Agent Builder with 12+ years in frontend, backend, platform development, automation, and distributed team leadership.
Build AI agents and AI-assisted engineering workflows that support research, scaffolding, business-process automation, rapid prototyping, and controlled "vibe coding" while retaining strict ownership of architecture, logic, reviews, and final code quality.
Expert in JavaScript, TypeScript, Node.js, React, Vue, Next.js, Web3, GraphQL, GitHub CI/CD, and modern AI-assisted development tools.
Strengths: translate business goals into technical direction, design scalable systems, lead engineering teams, safeguard product quality, and negotiate delivery timelines that balance speed with reliability.
Portfolio: github.com/DVitaliy

Tech Stack:
OpenAI API, OpenClaw, ChatGPT, Codex, Copilot, Claude Code, n8n, LangChain/LangGraph, Node.js, Next.js, PostgreSQL, Docker, AWS, GitHub Actions, TypeScript

Responsibilities:

• Lead AI and platform development with ownership of architecture, system performance, scalability, reliability, and technical direction
• Design and develop multi-agent AI systems for automation of core business processes
• Build AI agents that research, scaffold, automate, and accelerate implementation through controlled "vibe coding" workflows
• Manage, maintain, and optimize the technology stack, infrastructure, and integrations
• Analyze, verify, and improve business processes through AI-driven automation
• Rapidly prototype and implement new product features using modern AI-assisted development approaches
• Align platform strategy with business objectives in collaboration with management, product owners, operations, and leadership teams
• Act as a technical point of contact for partners and internal stakeholders
• Monitor market trends, AI technologies, and competitor solutions to guide system evolution
• Develop client onboarding automation, AI-assisted communication tools, workflow automation, deadline tracking, analytics, and scalable support systems

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

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

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

AI tools: OpenAI API | ChatGPT | Codex | Copilot | Claude Code | n8n | LangChain/LangGraph

Frontend:
React | Next.js | TypeScript | Redux | Recoil | Zustand | Tailwind

Backend:
Node.js | PostgreSQL | 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:
AI agents | Workflow automation | System architecture | Platform development | SOLID Principles | KISS | DRY | Figma | Jira | Agile

More detailed description Full CV