Development

Full-Cycle Web Development by a Senior UI/UX Designer

Web development is the foundation of your digital presence, determining the speed, reliability, and scalability of your online business. Oleksandr Filyuk — a senior UI/UX designer and full-stack developer with over 15 years of experience — delivers full-cycle projects: from architecture planning to production deployment. Using a modern technology stack — React, Next.js, WordPress, and headless CMS solutions — I build fast, secure, and SEO-optimized websites and web applications that drive real business results and support sustainable growth.

Why Professional Web Development Is Business-Critical

In 2024, a website is not just "a page on the internet" — it is a full-fledged business tool that generates leads, drives sales, and shapes brand perception. Google considers over 200 ranking factors, a significant portion of which are related to the technical quality of your site: loading speed, mobile responsiveness, security, and code structure. Unprofessional development creates technical debt that over time leads to performance degradation, SEO problems, and security vulnerabilities.

A professionally developed website ensures: page loading times under 2 seconds, flawless operation across all devices and browsers, robust protection against cyber threats, easy scalability as your business grows, and convenient content management without developer involvement. This is an investment that pays off through the efficiency of every subsequent day your site operates and serves your customers.

Technologies and Frameworks

• React — The most popular JavaScript library for building interactive user interfaces. The component-based approach enables code reuse, development speed, and maintenance simplicity. Ideal for complex web applications with dynamic content, dashboards, admin panels, and single-page applications.
• Next.js — A powerful React framework by Vercel for building production-ready applications. Server-side rendering (SSR), static site generation (SSG), incremental static regeneration (ISR), API routes, and built-in image optimization. The ideal choice for SEO-critical projects, corporate websites, and e-commerce platforms.
• WordPress — The world's most popular CMS, powering over 43% of all websites globally. Custom theme development from scratch, plugin creation, performance optimization, and security hardening. Perfect for content-oriented sites, blogs, corporate portals, and small-to-medium online stores.
• Headless CMS — A modern approach separating content management from the presentation layer. Integration with Directus, Strapi, Sanity, or Contentful on the backend and Next.js on the frontend for maximum flexibility, speed, and design freedom.
• TypeScript — A typed version of JavaScript that reduces bugs, improves code readability, and simplifies team development. I use TypeScript in all modern projects to enhance codebase reliability and developer experience.
• Tailwind CSS — A utility-first CSS framework for rapid and consistent component styling. Ensures minimal CSS bundle size through purging unused styles and provides pixel-perfect alignment with design mockups.

What Full-Cycle Web Development Includes

• Analysis and Planning: Business requirements study, technology stack selection, project architecture design, sprint planning, and MVP functionality definition for phased launch and iterative improvement.
• UX/UI Design: User experience design, wireframe and interactive prototype creation in Figma, development of a design system with components, typography, color palette, and spacing tokens.
• Frontend Development: Pixel-perfect implementation of design mockups, development of interactive components, animations, and transitions, API integration and external service connectivity. Fully responsive design for all screen sizes and orientations.
• Backend Development: Server-side setup, API endpoint creation, database integration (PostgreSQL, MySQL), authentication and authorization systems, form processing, file management, and business logic implementation.
• CMS Integration: Content management system setup for convenient site updates without technical knowledge. Creation of custom fields, content types, and editorial workflows for the content team.
• SEO Optimization: Technical SEO with clean semantic markup, meta tags, schema.org structured data, sitemap, robots.txt, Open Graph tags, Core Web Vitals optimization, and canonical URL configuration.
• Testing: Functional testing, cross-browser verification, performance testing, security audits, and accessibility checks (WCAG compliance). Automated tests for critical user scenarios and regression prevention.
• Deployment and DevOps: CI/CD pipeline setup, deployment to Vercel, Netlify, AWS, or VPS, domain configuration, SSL certificates, CDN setup, and performance monitoring with alerting.

Frontend Development: From Mockup to Production

Frontend development quality determines how users interact with your product on a daily basis. I ensure pixel-perfect implementation that accurately reproduces the approved design, smooth animations and transitions that enhance the user experience, optimal performance with minimal JavaScript bundle size, accessibility for all user categories (including people with disabilities), and compatibility with all modern browsers and devices across the full spectrum of screen sizes.

Special attention is paid to performance optimization: lazy loading of images and components, code splitting to reduce the initial bundle, font optimization and critical CSS extraction, use of modern image formats (WebP, AVIF), and efficient caching strategies. The result is websites that consistently achieve green scores in Google PageSpeed Insights and deliver excellent user experience even on slow network connections.

Backend Development and Integrations

The server side is the foundation that supports all website functionality and business logic. I develop reliable backend solutions using Node.js and Express for APIs, PostgreSQL or MySQL for databases, Redis for caching and queues, and Docker for containerization and consistent deployment environments. Integrations with payment systems (Stripe, PayPal, LiqPay), email services (SendGrid, Mailchimp), CRM systems, and third-party APIs are implemented following security best practices, proper error handling, and comprehensive logging.

Why Choose Oleksandr Filyuk for Web Development

• Designer + Developer: A unique combination of design thinking and technical skills. No quality loss during the design-to-development handoff — one specialist ensures integrity from concept to code and beyond.
• 15+ years of experience: From early HTML/CSS websites to modern React/Next.js applications — evolving alongside the web. Deep understanding of both classical approaches and cutting-edge technologies and emerging patterns.
• Code quality: Clean, documented, scalable code that is easy to maintain and extend. Using TypeScript, linters, automated tests, and code review practices that enforce high standards throughout development.
• Performance and SEO: Every project is optimized for maximum speed and search visibility from day one. This is not an add-on option — it is a built-in part of the development process and architectural decisions.
• Transparent process: Regular progress demonstrations, repository access, clear communication about timelines and budget. You always know the current state of your project and what comes next.

Web Development Pricing

Development cost is determined by project complexity, chosen technology stack, number of pages and integrations, need for custom design, and additional functionality requirements. A Next.js landing page represents one investment level, a full corporate website with CMS represents another, and a complex web application with user accounts and API integrations represents a third tier. Contact me for a detailed discussion of your project and receive a transparent commercial proposal with phased estimates, clear milestones, and defined deliverables.

Frequently Asked Questions About Web Development

Which technology should I choose for my project? The choice depends on your specific requirements: for content sites and blogs — WordPress or Next.js with headless CMS, for web applications — React/Next.js with a custom backend, for e-commerce — WooCommerce or Shopify. After analyzing your requirements, I will recommend the optimal stack specifically for your project and business goals.

How long does development take? A landing page takes 2-4 weeks, a corporate website with CMS takes 6-10 weeks, and a web application requires 10-20 weeks depending on complexity. An MVP can be launched faster, with functionality gradually added in subsequent iterations following an agile methodology.

Do you provide post-launch support? Yes, I offer technical support packages: dependency updates, security monitoring, backups, bug fixes, and new feature development. Long-term support ensures stable operation and continued evolution of your project over time.

Do you work with existing projects? Yes, I perform refactoring, optimization, new feature development, and migration of existing sites to modern technologies. I begin with an audit of the current state and create a phased improvement plan with prioritized recommendations.

How is security ensured? Security is built into every development stage: protection against XSS, CSRF, SQL injection, Content Security Policy headers, HTTPS enforcement, regular dependency updates, and vulnerability scanning. For sensitive data — encryption at rest and in transit, plus compliance with GDPR and other applicable privacy regulations.