Андрей

🌐 More info on my portfolio website: saprland-12307.web.app

Sapryhin Andrii
📧 [open contact info](look above in the "contact info" section)
📱 [open contact info](look above in the "contact info" section)
🐙 GitHub · 💼 LinkedIn · ✈️ Telegram
📍 Odesa, Ukraine · Open to Remote

ABOUT ME
Frontend Developer with 4+ years of hands-on experience building modern, high-
performance web applications with React and TypeScript. Experienced in component
architecture, state management (Redux Toolkit), performance optimization, and
REST/GraphQL API integration. Full-Stack background with backend experience
(Node.js, Python, PostgreSQL) — understands the full picture and communicates
effectively with backend teams. Open to remote collaboration; proactive and self-
driven.
SKILLS
Frontend React, Redux Toolkit, TypeScript, JavaScript (ES6+), Next.js,
HTML5, CSS3, SASS, Tailwind CSS, Material UI, Styled
Components
State & Data Redux Toolkit, React Query / TanStack Query, Zustand, Context API
Testing Jest, React Testing Library, Cypress, Storybook
Build Tools Vite, Webpack, Babel, ESLint, Prettier
Performance Lazy loading, Code splitting, Memoization, Lighthouse, Web Vitals
Backend Node.js, Express, REST API, GraphQL, PostgreSQL, MongoDB
(Full-Stack background)
Tools Git, Docker, Linux, Figma, Jira, Postman
AI & GitHub Copilot, ChatGPT, Gemini, Prompt Engineering, Workflow
Automation Automation
Languages English — B1-B2 (Intermediate / Upper-Intermediate)
EXPERIENCE
Frontend Developer (React) May 2022 — Present
Independent / Contract Projects

• Built modern SPAs with React + TypeScript, implementing component architecture,
routing, and Redux Toolkit state management.
• Developed reusable UI component libraries with Storybook documentation,
reducing feature delivery time across projects.
• Integrated REST APIs and GraphQL endpoints using React Query (TanStack) for
efficient server-state synchronization and caching.
• Optimized application performance: implemented lazy loading, code splitting, and
memoization — measurably improved Lighthouse scores.
• Collaborated with backend teams on API contract design and consumed
Node.js/Python APIs in production applications.
• Set up CI/CD pipelines with GitHub Actions for automated testing and deployment;
used Docker for consistent dev environments.
• Leveraged AI tools (GitHub Copilot, ChatGPT) to accelerate development and
improve code quality through automated review.
PROJECTS
Web Application (React + TypeScript)
Modern web application implementation using React, TypeScript, Redux Toolkit. Backend
integration via REST API. Rendering performance optimization.
Component Library
Reusable UI library development with React using Styled Components and Storybook.
EDUCATION
IT Step Academy, Odessa — Bachelor's Degree, Information Technology 2019 —
(with distinction) 2023

🌐 Portfolio: saprland-12307.web.app