Юрій

Yurii Ihnatchuk
Senior Frontend & Full-Stack Engineer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Lviv, Ukraine linkedin

Summary
Senior Frontend / Full-Stack & Mobile Engineer with 5+ years of commercial experience building scalable web
and mobile applications across SaaS, HealthTech, Web3, and E-commerce. Specialized in React, Next.js,
TypeScript, and React Native, with additional experience in Node.js, NestJS, and .NET. Experienced in system
architecture, technical leadership, code reviews, mentoring developers, and delivering end-to-end solutions in
collaboration with clients and cross-functional teams. Leverage AI-powered development tools, including
Cursor and Claude Code, to accelerate development and improve engineering workflows. Hold a Master's
degree in Artificial Intelligence.

Professional Experience
Frontend Developer, Berko.tech 07/2025 – Present
Led frontend and mobile development across SaaS, HealthTech, Fitness, and Web3
products, contributing to technical architecture, feature implementation, and
production releases. Collaborated with stakeholders, conducted code reviews,
mentored developers, and helped deliver scalable web and mobile applications.
Selected Projects
1. Enterprise HealthTech Platform & PDF Engine Tech Stack: Angular, Next.js,
NestJS, Node.js, Nx, Redux
Developed full-stack healthcare modules within an Nx monorepo.
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Built a custom PDF rendering engine for generating medical reports with pixel-
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perfect layouts.
2. Web3 Solana Gaming Suite Tech Stack: Next.js, Solana Wallet Adapter, Zustand,
Tailwind CSS, WebSockets
Developed interactive crypto mini-games with real-time state synchronization
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using WebSockets.
Implemented frontend state management and wallet integration for Solana-
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based applications.
3. Multi-Tenant Restaurant CRM & SaaS Tech Stack: React 19, Vite, .NET Core,
TanStack Query, Zustand, Tailwind CSS
Architected and developed a multi-tenant CRM platform serving 12 restaurant
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businesses.
Built operational analytics, data filtering, and business management features,
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integrating AI agents to support operational workflows.
4. Fitness & Activity Tracking Mobile App Tech Stack: React Native, Expo,
TypeScript, Context API, REST APIs
Developed and published cross-platform mobile applications for iOS and
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Android.
Implemented activity tracking, push notifications, and offline data caching.
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5. Web & Hybrid Mobile Application Ecosystem Tech Stack: Next.js, Capacitor,
Supabase, Tailwind CSS
Developed a unified application ecosystem supporting web and native
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iOS/Android deployments.

Integrated Supabase authentication and Row Level Security (RLS) to support
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secure access to application resources.

Frontend Developer, Freelance 07/2024 – 07/2025
Delivered web and mobile applications for clients across HealthTech, E-commerce,
Web3, and digital platforms. Managed client communication, translated
requirements into technical solutions, and contributed to application architecture,
frontend development, API integrations, authentication, and deployment.
Selected Projects
1. Modern Healthcare & Clinic Website Tech Stack: Next.js, Sanity CMS, Tailwind
CSS, Resend API, Vercel
Developed a high-performance healthcare website using Next.js and Sanity CMS
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for structured, dynamically managed content.
Integrated automated appointment-related email delivery using Resend API.
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2. Online Digital Library Platform Tech Stack: Next.js, Material UI (MUI), Contentful,
Context API, Stripe
Developed a digital library platform with authentication, content management,
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and subscription payment functionality.
Integrated Stripe subscriptions and automated deployment workflows using
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GitHub Actions.
3. Web3 Gambling & Casino Interface Tech Stack: Next.js, Solana, Web3.js,
WalletConnect, Material UI, Framer Motion
Built interactive Web3 gaming interfaces with Solana wallet connectivity and
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multi-wallet integration flows.
Implemented responsive UI components and animations to support engaging
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gaming experiences.
4. Custom E-Commerce Merch Store Tech Stack: Shopify, Liquid, HTML, SCSS,
JavaScript
Customized a Shopify storefront using Liquid templates and custom theme
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sections.
Developed responsive UI components and tailored e-commerce functionality to
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meet client requirements.
5. Web3 Interactive Quiz & Rewards App Tech Stack: React 19, Vite, Ethers.js,
Solana Web3, WalletConnect, Framer Motion
Developed a multi-chain decentralized application supporting Ethereum-
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compatible and Solana wallet connections.
Implemented interactive quiz functionality and smart-contract-based reward
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integrations.

Frontend Developer, Grid Dynamics 10/2021 – 04/2024
Contributed to enterprise web applications and e-commerce platforms in cross-
functional Agile teams. Developed frontend features, integrated GraphQL APIs and
headless CMS platforms, implemented automated testing, and supported scalable,
maintainable application architectures.
Selected Projects
1. Volunteer Platform for Ukraine Tech Stack: Next.js 13, Material UI (MUI),
Contentful CMS
Developed responsive, public-facing pages for a volunteer platform that supports
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dynamic news and donation content.
Integrated Contentful CMS to enable structured content management and
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updates.
2. Enterprise CMS Content Architecture Tech Stack: Contentstack, Content
Modeling, JSON Schemas

Designed and maintained structured content models, asset taxonomies, and CMS
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workflows.
Supported reusable content structures and consistent content management
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across enterprise applications.
3. Interior Design & Floor Plan Editor Tech Stack: React, GraphQL, Redux, React
Hook Form, Material UI, Jest
Developed interactive floor-plan editing features using React, GraphQL, Redux,
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and drag-and-drop functionality.
Maintained legacy JavaScript tools and contributed to frontend testing and
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application reliability.
4. US Retail E-Commerce Modernization Tech Stack: Gatsby, Contentstack, Redux,
Storybook, Chromatic, Nx Monorepo
Contributed to the modernization of a large US retail storefront within an Nx
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monorepo architecture.
Built reusable, isolated UI components using Storybook and supported visual
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regression testing with Chromatic.
Collaborated with cross-functional teams and mentored junior developers to
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maintain code quality and consistency.

Education
COMPUTER SCIENCE, Lviv Polytechnic National University 09/2022 – 02/2024
Master degree of Artificial Intelligence

COMPUTER ENGINEERING, Lviv Polytechnic National University 09/2018 – 07/2022
Bachelor degree of Computer Engineering

Skills
Hard Skills Soft Skills
Frontend Development
Technical Leadership, Code Reviews, Developer
Languages: JavaScript (ES6+), TypeScript, HTML5,
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Mentoring
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CSS3, SCSS
Client Communication, Cross-Functional
Frameworks & Libraries: React, Next.js, Angular,
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Collaboration
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Gatsby, Vite
Problem-Solving, Adaptability, Time Management
State Management & Data Fetching: Redux,
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Redux Toolkit, Zustand, Context API, TanStack
Query (React Query)
UI & Styling: Tailwind CSS, Material UI (MUI),
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Chakra UI, Emotion, Framer Motion
Component Development & Testing: Storybook,
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Chromatic, Jest, Vitest, Unit, Integration, and E2E
Testing
Mobile Development
React Native, Expo, Capacitor
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Cross-platform iOS and Android applications
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Mobile API integration, push notifications, and
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offline data caching
Backend Development & Databases
Runtime & Frameworks: Node.js, NestJS,
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Express.js, .NET Core
Databases: PostgreSQL, MongoDB, SQL
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ORM: Prisma
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Authentication & Authorization: NextAuth.js,
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Supabase Auth, Row-Level Security (RLS)
APIs & Integrations
REST APIs, GraphQL, WebSockets
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Stripe Payments, Firebase, Supabase
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Web3 integrations and blockchain wallet
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connectivity
CMS & E-Commerce
Contentful, Contentstack, Sanity CMS
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Shopify, Liquid
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Development Tools & DevOps
Version Control: Git, GitHub, GitLab
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CI/CD & Deployment: GitHub Actions, Vercel
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Architecture & Collaboration: Nx Monorepo,
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Confluence, Agile/Kanban
AI-Assisted Development: Cursor, Claude Code,
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GitHub Copilot

Languages
Ukrainian English
Native B2

Hobbies and Interests
In addition to my professional pursuits, I am passionate about various hobbies and interests that enrich my life
and contribute to my personal growth. These activities provide me with opportunities for relaxation, creativity,
and exploration outside of work. Some of my hobbies and interests include:
Chess
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Basketball
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Football
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