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WEB4USA

Complex digital products. Web, Apps & AI.

Services

Senior Full-Stack Web Architect

  • Next.js
  • React
  • PHP
  • WordPress
  • AI
  • API
  • CRM
  • Servers

We build complex digital products around business goals — from corporate websites and online stores to web apps, CRMs, mobile apps, and automated services. We design the architecture, build the frontend and backend, connect APIs and third-party services, set up server infrastructure, and bring in AI. 20+ years in web development let us own the whole project — from idea and prototype to launch and ongoing growth.

  • 20+years in web development
  • Full-cyclefrom idea and prototype to launch and growth
  • 01

    Complex web projects

    Websites and web platforms with custom logic, user accounts, roles, integrations, and a purpose-built admin panel.

    • Architecture
    • User accounts
    • Admin panel
  • 02

    Web applications

    SaaS products, client portals, internal tools, CRM interfaces, and other apps on React / Next.js.

    • React
    • Next.js
    • SaaS
  • 03

    Mobile apps for iOS / Android

    iOS and Android apps with sign-in, APIs, payments, push notifications, and integration with your existing system.

    • iOS
    • Android
  • 04

    CRM / ERP and admin systems

    Custom CRM and ERP: process automation, customers, orders, products, staff, and analytics in one system.

  • 05

    Online stores

    E-commerce: catalogs, filtering, carts, payments, shipping, customer accounts, and integrations.

  • 06

    AI and automation

    AI integrations and agents, automated data processing, content generation, analytics, and routine work on autopilot.

    • AI agents
    • LLM
  • 07

    APIs and integrations

    We connect sites and apps to CRMs, ERPs, payments, and third-party APIs.

    • Stripe
    • HubSpot
    • Salesforce
    • QuickBooks
  • 08

    WordPress / WooCommerce

    Complex WordPress builds, WooCommerce, custom plugins, ACF, APIs, optimization, and growth of existing sites.

  • 09

    Calculators

    Online calculators for pricing, materials, services, logistics, and other business inputs.

  • 10

    Forms and user portals

    Multi-step forms, requests, sign-in, user roles, and private sections.

  • 11

    Data collection and processing

    Data from APIs, open sources, and external systems — processed, structured, and kept up to date automatically.

  • 12

    Business process automation

    We remove manual work: workflows, triggers, notifications, and data sync between services.

  • 13

    Search and filtering

    Smart search, advanced filters, and search across attributes, catalogs, and databases.

  • 14

    Analytics and dashboards

    Dashboards, reports, charts, and KPIs for running the business.

  • 15

    Speed and optimization

    Faster frontend and backend, database tuning, caching, CDN, and bottleneck hunting.

  • 16

    Bug fixing

    We find and fix issues in PHP, JavaScript, WordPress, integrations, and on the server.

  • 17

    Servers and deployment

    Linux, Nginx, PHP, databases, SSL, deployment, backups, and monitoring.

  • 18

    Domain and hosting

    We pick a domain, server, or hosting plan for your goals, load, and budget, then set up DNS, SSL, email, and the environment.

  • 19

    DNS and business email

    DNS records, SSL, business email, and addresses like info@yoursite.com.

  • 20

    Cloudflare / CDN

    CDN, DNS, caching, WAF, access rules, and attack protection.

  • 21

    Migration

    Moving sites and apps between servers, hosts, and platforms without losing data.

  • 22

    Access and security

    Authentication, private sections, roles, access restrictions, and content protection.

  • 23

    Support and growth

    Life after launch: updates, monitoring, improvements, and a roadmap for the project.

Tools

Our Services

Tools that help you make decisions, find growth opportunities, and save time.

  • 01

    Website audit

    A technical check of the site, architecture, speed, security, and key issues.

  • 02

    SEO analysis

    Indexing, structure, technical SEO, content, and search visibility.

  • 03

    Price comparator

    Compare prices, offers, and specs of products or services across chosen sources.

  • 04

    Budget estimator

    A first estimate of what a website, app, or digital service will cost, based on project inputs.

  • 05

    Ready-made clients

    Finding and qualifying potential clients for a specific service or line of business.

  • 06

    Competitors' hot leads

    Open buying signals and potential clients in public sources and competitors' channels — legally available information only.

  • 07

    Competitor analysis

    Competitors' sites, offers, products, pricing, and digital channels.

  • 08

    Technical audit

    Deep review of architecture, code, server infrastructure, integrations, and technical risks.

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Portfolio

Real projects: websites, platforms, and online stores we designed, built, and launched.

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Blog

Notes from practice: architecture, web apps, CRM, integrations, AI, and infrastructure.

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