Skip to main content
Build · Engineering systems from scratch

Web Application Development

High-performance web platforms with hybrid rendering and sub-second load times.

<1sLCP target
100Lighthouse score
WCAG AAAccessibility
Typical budget€30K–€120K
Duration3–7 months

High-performance, accessible, and responsive web platforms designed for real interactivity, complex workflows, and SEO optimization. We build frontends that load in milliseconds and backends that scale gracefully to millions of requests.

The Challenge

What breaks without this

Slow-loading web platforms, poor mobile responsiveness, complex UI state bugs, and SEO ranking drops due to client-side rendering issues.

  • Google Search ranking is declining because the current SPA renders entirely client-side

  • Page load times on mobile 3G exceed 5 seconds, driving high bounce rates

  • Complex form workflows have untested edge cases that break in production

  • The frontend component library has no documented conventions — every developer does it differently

Our Approach

How we deliver this

01

Design system & component architecture

Before writing a single page, we define the token system, layout primitives, and component API contracts. This prevents the 'every component is unique' problem that makes codebases unmaintainable.

02

Rendering strategy selection

We choose SSR, SSG, or ISR per route based on SEO requirements, data freshness needs, and revalidation budget. This decision is documented and measurable.

03

Performance budgeting in CI

Lighthouse CI and Core Web Vitals checks run on every pull request. A PR that regresses LCP or CLS is blocked from merging.

04

Accessibility & cross-browser validation

WCAG 2.1 AA compliance is validated with automated axe scans and manual keyboard/screen reader testing before every milestone release.

Key Benefits

What you gain

Hybrid rendering (SSR/ISR) for optimal speed, instant interactivity, and search visibility.

Enforced performance budgets and core web vitals monitored directly in CI/CD pipelines.

Responsive, gesture-friendly UI that scales across desktop, tablet, and mobile breakpoints.

Accessibility compliance (WCAG 2.1 AA) baked into the core components, not retrofitted before launch.

Robust offline capabilities and local synchronization patterns for unstable connections.

Concrete deliverables

Every engagement ends with tangible artefacts you own and can hand to any team.

Figma-to-code component design library and UI/UX design specifications.

Fully responsive, production-ready web application built with modern frameworks.

Core Web Vitals and performance validation reports.

Google Analytics, GTM, and SEO metadata integration.

Comprehensive API integration tests and component stories.

Technology Stack

Technologies we use

We select tools based on your requirements — not on what we happen to know best.

Frontend
ReactNext.jsVue.jsTypeScriptTailwind CSS
Backend
Node.js
Database
PostgreSQLRedis
FAQ

Frequently asked questions

Next.js offers a hybrid model: server-side rendering (SSR) for fast initial loads and SEO, static site generation (SSG) for static pages, and client-side hydration for rich interactivity. This eliminates the trade-offs of SPA frameworks.

We implement industry-standard security practices, including strict Content Security Policies (CSP), secure JWT/cookie-based session management, CORS configurations, rate-limiting at the gateway, and sanitizing inputs to prevent XSS and SQL injection.

Yes, we specialize in progressive migrations. We can wrap legacy frontends in modern layouts or rebuild high-traffic pages first, routing traffic via reverse proxies to ensure a smooth transition without long code freezes.

Let's Discuss Your Web Apps Project

Schedule a free 30-minute consultation with a senior engineer. No sales pitch — just an honest assessment of your situation.