Oleksandr Ganaychuk

Hello! I'm Oleksandr, a Middle Frontend Developer with 4+ years of commercial experience.

🚀 WHAT I DO:

- Develop complex web applications using React.js, Next.js 14 (App Router), TypeScript

- Build SaaS platforms, e-commerce solutions, enterprise dashboards

- Performance optimization - improve Core Web Vitals by 40-50%, reduce bundle size by 35%

- Create UI libraries and design systems from scratch (40+ reusable components)

- Integrate REST APIs, GraphQL (Apollo Client), WebSockets for real-time functionality

- State management: Redux Toolkit, React Query, Zustand

- Responsive design with mobile-first approach, pixel-perfect implementation from Figma

💼 EXPERIENCE:

- 20+ successfully delivered projects of varying complexity

- Worked as freelancer and in product company (Elementals Studios)

- Experience mentoring junior developers and conducting code reviews

- Setting up CI/CD pipelines, automated testing (Jest, Playwright)

🛠 TECH STACK:

Frontend: React 18, Next.js 14, TypeScript, JavaScript ES6+

Styling: Tailwind CSS, SCSS/SASS, Styled Components, Material-UI, Shadcn/ui

State: Redux Toolkit, React Query, Zustand, Context API

Backend: Node.js, Express.js, REST API, GraphQL

Tools: Git, Webpack, Vite, Figma, ESLint, Prettier

Testing: Jest, React Testing Library, Playwright, Cypress

✨ ACHIEVEMENTS:

- Built booking platform with SSR/SSG - 40% performance improvement

- Developed UI library that reduced development time by 30%

- Achieved 90+ Lighthouse scores on multiple production projects

- Optimized initial load time by 50% through code-splitting and lazy loading

- Implemented GraphQL reducing API requests by 60%

💡 WHAT I CAN DO FOR YOU:

✓ Develop web application from scratch or enhance existing one

✓ Optimize performance and improve UX

✓ Create reusable component library

✓ Integrate any APIs and third-party services

✓ Set up CI/CD and automated testing

✓ Conduct code review and refactor legacy code

✓ Provide consultation on architecture and technical decisions

📋 MY APPROACH:

- Clear communication at all project stages

- Clean code and best practices (SOLID, DRY, KISS)

- Meeting deadlines with regular updates

- Detailed code documentation

- Post-launch support and bug fixes

🎯 PERFECT FIT FOR:

- Building MVPs and SaaS platforms

- E-commerce solutions with payment system integration

- Complex dashboards with data visualization

- High-conversion landing pages

- Modernizing legacy applications

- Performance optimization of existing projects

⏰ AVAILABILITY:

Full-time or part-time projects. Open to long-term collaboration.