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Web Application Development

Web application and website development on Next.js, React and WordPress

We build logged-in web applications, booking tools and marketing websites, backed by APIs and databases designed for the load you expect. You review working software on a preview link every one to two weeks, not a mock-up at the end.

Software Engineering

What is web application development?

Web application development is the engineering of software that runs in a browser, from interactive portals, dashboards and booking tools to content-led marketing websites. It covers the front end people use, the back end that stores data and enforces business rules, and the hosting, security and deployment pipeline that keep both running.

A marketing website and a web application share a browser but solve different problems. A website has to explain, persuade and rank, and it is usually edited by people who are not developers. A web application has to handle accounts, permissions, data and workflows without breaking as usage grows. We build both, and we are clear from the first call about which one you actually need.

Platform choice follows the job. Next.js and React suit custom interfaces, logged-in products and pages that must render quickly on the server. WordPress suits content-led sites where a marketing team publishes every week. Behind either, we build the APIs, database schema, authentication and integrations in Node.js, NestJS, Laravel or Python, depending on what your team can maintain after launch.

We work to explicit budgets for page weight, Core Web Vitals and accessibility, test on real phones rather than desktop emulation, and ship through automated pipelines with a preview environment for every change. Delivered work includes WordPress sites for a solar EPC contractor, an interior design studio and a furnishing business, and the same discipline around structure, speed and search carries into the applications we build.

Challenges

The problems we are usually brought in to solve

  • Pages that look finished but load slowly

    Heavy themes, oversized images, extra web fonts and stacks of tag-manager scripts push mobile load times up, which costs both enquiries and search visibility.

  • Front-end code nobody dares to change

    An ageing page-builder theme or jQuery front end with no tests and no type checking means every new feature risks breaking a page that used to work.

  • Editors who depend on developers

    Marketing teams wait days to change a headline, add a landing page or update a price because the CMS was never set up for them.

  • Business rules hidden in the browser

    Pricing, eligibility or permission logic written only in client-side code is hard to test and easy for a determined user to bypass.

  • Accessibility left until an audit

    Unlabelled form fields, focus lost inside pop-ups and keyboard traps in custom widgets exclude users and become expensive rework when a customer or tender asks for evidence.

  • Rebuilds that lose search traffic

    Relaunches that change URLs without redirects or drop structured data can erase rankings the old site took years to earn.

Capabilities

What the service covers

  • Logged-in web applications

    Account areas, booking tools and dashboards with secure sessions, role-based views and server-side filtering and pagination, so screens stay quick as data grows.

  • Next.js and React front ends

    Server, static and incremental rendering chosen route by route, with React Server Components and TypeScript keeping the JavaScript sent to each browser small.

  • Corporate and marketing websites

    Service-led sites on WordPress or Next.js with clear page structure, obvious enquiry paths and an editing experience your marketing team can run alone.

  • Headless CMS and content modelling

    Structured content types for pages, case studies and products, including WordPress as a headless back end, so editors publish without touching code.

  • Back ends for web applications

    Route handlers or a separate Node.js, NestJS or Laravel service, with server-side validation, PostgreSQL or MySQL schemas and migrations kept under version control.

  • Authentication, roles and payments

    Sign-in with email, social or company identity providers, granular roles, and Stripe checkout or subscriptions where the application takes money.

  • Core Web Vitals engineering

    Image and font optimisation, code splitting, caching headers and edge delivery, checked against agreed loading, responsiveness and layout-shift budgets on every build.

  • Multilingual and right-to-left sites

    English, Arabic and Urdu interfaces built with CSS logical properties, mirrored components and fonts that render both scripts cleanly, managed from one CMS.

  • Progressive web apps

    Installable web apps that cache key screens for poor connections and can send push notifications, for teams that want app-like behaviour without an app store release.

Our process

How an engagement runs

Every engagement has a named lead, a written scope and working software to review every one to two weeks.

  1. 01

    Scope pages, screens and content

    A discovery call, then a written proposal covering users, the page or screen inventory, integrations, who supplies content and what the first release must include.

  2. 02

    Sitemap, wireframes and design

    Sitemaps, user flows and wireframes come before visual design, so navigation, content and conversion paths are agreed while change is still cheap.

  3. 03

    Build against real content

    Pages and screens are built with your actual copy, images and sample data from the start, so layout and wording problems surface in review rather than on launch day.

  4. 04

    Verify speed, accessibility and behaviour

    Unit and end-to-end tests run in CI, alongside manual checks on phones, different browsers, screen readers and throttled network connections.

  5. 05

    Launch, redirect and monitor

    We map old URLs to new ones, carry over metadata and structured data, configure analytics and Search Console, deploy through the pipeline and watch errors after go-live.

Technology

Technology we use

Chosen per project for fit, maintainability and your team's ability to own it.

Frontend

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
  • Storybook

Backend and data

  • Node.js
  • NestJS
  • Laravel
  • PostgreSQL
  • MySQL

CMS and commerce

  • WordPress
  • WooCommerce
  • Stripe

Hosting and delivery

  • Vercel
  • AWS
  • Docker
  • GitHub Actions

Use cases

Where it makes the biggest difference

  • Service and portfolio website

    A WordPress site for a contractor or design studio, organised around services, completed projects and enquiry forms, which the client's own team keeps up to date.

  • Next.js front end for an existing WordPress site

    A slow theme replaced by a Next.js front end that reads content through the WordPress API, while editors keep publishing in the admin they already know.

  • Booking and scheduling application

    Availability, deposits, confirmations and reminders managed in one web app, with a staff view for changes, cancellations and capacity.

  • Online estimate calculator

    An interactive estimator that prices a job from a few answers, with the pricing rules held on the server and each completed estimate passed to sales as an enquiry.

  • Searchable listings site

    Property, venue or provider listings with filters, map views and enquiry forms, rendered so that every listing page can be indexed and shared.

  • Help centre and documentation site

    Guides and articles generated as static pages from structured content, with site search, version history and a simple prompt asking whether each page helped.

Why Softweb Planet

Why teams choose us for this work

  • Websites are where we started

    Softweb Planet began with websites and digital marketing, so page structure, analytics events and enquiry routing are designed in rather than left for another agency after launch.

  • Interface and API designed together

    One team builds the screens, the API routes and the database schema, so data shapes, caching and validation rules are agreed once instead of negotiated between suppliers.

  • A preview URL for every change

    Each pull request deploys to its own preview address, so at every one-to-two-week review your named lead walks you through real pages on your own phone, not a static mock-up.

  • Launch treated as engineering work

    Our DevOps engineers configure hosting, backups and error monitoring, and redirect maps and analytics events are tested on staging, so go-live follows a checklist.

What you can expect

  • Pages that load quickly on mobile networks and follow accessibility good practice
  • Content and landing pages your own team can publish without a developer
  • A typed, tested and documented codebase that new developers can pick up
  • Relaunches with every indexed URL redirected and search performance watched afterwards

Web Application Development FAQ

Frequently asked questions

Choose WordPress when the site is mainly content that a marketing team updates every week, and Next.js when you need custom interfaces, logged-in features or tight control over performance. WordPress brings a familiar editor and a large plugin ecosystem, but every plugin adds maintenance and security work. Next.js gives full control of markup and rendering, but editors need a CMS connected to it. We recommend one after discovery, based on who edits the site, what it must integrate with and who maintains it.

Start your project

Tell us what you're building.

Share the problem, the systems involved and where you want to be. A senior engineer replies with honest advice on scope, architecture and the fastest safe path to production.