Yurii

YURII PANASIUK
FULL-STACK DEVELOPER

CONTACT SUMMARY
[open contact info](look above in the "contact info" section)
Frontend-focused Full-Stack Engineer specializing in React and Next.js applications with SSR and
[open contact info](look above in the "contact info" section) hydration. Experienced in building scalable, performance-optimized user interfaces and integrating
[open contact info](look above in the "contact info" section) them with secure backend services (Node.js, Nest.js). Strong background in state management
Ternopil, Ukraine (Redux, React Query), API design, and cloud deployment on AWS using Docker. Comfortable
taking ownership of features from architecture to production release.

SKILLS EXPERIENCE
FRONTEND
Proxy Seller
React, Next.js (SSR, Hydration), TypeScript,
Front-end developer
JavaScript (ES6+), Redux, React Query,
November 2023 - present
HTML5, CSS3, SASS, Responsive/Adaptive
Design Developed and maintained production-grade applications using React and Next.js with SSR.
Designed efficient rendering patterns to minimize unnecessary re-renders and improve UI
BACKEND responsiveness.
Node.js, Nest.js, Express.js, REST API, JWT Optimized bundle size and loading strategy through dynamic imports, code splitting, and
dependency analysis.
Authentication
Implemented SSR and hydration logic to balance SEO requirements with client-side interactivity.
DATABASES Structured modular and reusable component architecture to improve scalability and reduce
technical debt.
PostgreSQL, MySQL, MongoDB
Designed predictable data-fetching flows to prevent redundant API calls and ensure consistent
(Mongoose), Amazon DynamoDB state updates.
Diagnosed and resolved production issues related to rendering lifecycle, hydration mismatches,
ARCHITECTURE & PRACTICES and API integration.
OOP, SOLID, RESTful design, Component Collaborated with backend engineers to align API contracts and improve data consistency
Architecture, Performance Optimization, between client and server.
Contributed to maintaining code quality through peer reviews and consistent coding standards.
Technical SEO
Worked on a production B2B platform with real client traffic and continuous feature delivery.
DEVOPS & TOOLS
AWS (EC2, RDS), Docker, Git, Webpack, TechMinds Innovations, Ltd.
Jest, Swagger, TypeORM Full-stack developer
April 2022 - September 2023

Designed and maintained full-stack applications using React, Next.js, and Nest.js.
EDUCATION Architected and implemented RESTful APIs with JWT-based authentication and role-based
access control.
National University of Ostroh Academy Designed reusable and scalable UI components using React and TypeScript.
2013 - 2014 Structured component architecture to improve maintainability and reduce duplication.
Specialist Degree in Finance and Business Implemented state management with Redux and optimized data fetching strategies.
Analytics Integrated third-party services and external APIs.
Improved application performance through backend query optimization and frontend bundle
Vyacheslav Chornovil Halytskyi Institute
optimization.
2003 - 2007
Ensured cross-browser compatibility and implemented technical SEO best practices.
Bachelor of Business Economics and
Deployed Dockerized applications to AWS (EC2), configured RDS instances, and managed
Business Management
MongoDB/DynamoDB databases.
Contributed to system architecture discussions and technical decision-making.
Conducted code reviews and mentored junior developers to improve code quality and team
efficiency.
LANGUAGES Worked in Agile cross-functional teams delivering production-ready features.

English - upper-intermediate
Ukrainian - native CodeQuasar
Full-stack developer
October 2021 - April 2022
Refactored and improved legacy HTML and CSS code to enhance structure and maintainability.
Converted UI/UX designs into responsive HTML5 layouts with cross-browser compatibility.
Fixed bugs and resolved UI-related issues in existing features.
Integrated third-party libraries and RESTful APIs into the application.
Contributed to migration of the project from JavaScript to TypeScript.
Assisted in writing API documentation using Swagger.
Supported deployment of Node.js applications using Docker.
Designed and maintained MySQL database schemas under supervision.
Implemented JWT-based authentication and basic authorization logic.
Maintained and supported the product after release in collaboration with the team.