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Product engineering

Web applicationengineering

Custom web applications, APIs and modernisation projects engineered for production — tested, containerised and shipped through automated pipelines.

Built with

acme.app4.8 sAcmeSign upShip faster.Scale further.Get startedLive demoFastLoads in 1.2 sSecureSSO · TLS 1.3ScalableAuto-scalesBUILT WITHReactNext.jsNode.jsPythonMySQLMongoDBPage.jsxediting1export default function Page() {2 return (3 <Layout>4 <Nav links={menu} />5 <Hero cta="Ship it" />6 <Cards items={features} />7 <Chart data={vitals} />8 </Layout>AcmeShip faster.Scale further.Get startedFast1.2 sSecureA+Users↑ 24%LighthouseLCP 4.8 s41Perf72A11y79Best83SEOOptimizing bundle…

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Animated illustration: Web Application Engineering

Platforms & tools

Overview

Web Application Engineering

We design, build, modernise and deploy secure web applications using scalable architectures and cloud-native engineering practices.

The problem we solve

Off-the-shelf tools rarely fit how a business really works, and ageing applications become hard to change, slow and risky to deploy. Teams end up working around their software instead of with it.

How we work

We shape requirements with you, design the architecture and data model, then build frontend, backend and APIs in short iterations — with automated tests, containerisation and CI/CD from the start.

What you get

A secure, maintainable application built around your workflows, ready for production on the cloud, with code, infrastructure and documentation your team owns.

Live preview

Built for production, every screen.

Responsive web applications with real-time usage analytics, strong Lighthouse scores and automated releases. This is an interactive sample with demo data.

Pr

Product Studio

apps / storefront-v2

Demo feedsample data
shop.yourbrand.com
Shop nowExplore
New collection

Your Brand

Weekend tote

$89 4.9

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Lighthouse scores

98
Performance
100
Accessibility
100
Best practices
100
SEO

Active users

1,290

online now▲ 14.2%

Release pipeline

  • Build
  • Test
  • Security scanrunning…
  • Deploy

Uptime 99.99% · 0 downtime deploys

Capabilities

What's included

Full-stack engineering with production readiness built in.

  • Custom web application development

    Portals, internal tools, SaaS products and customer-facing applications built to your requirements.

  • Frontend & backend engineering

    Responsive, accessible React and Next.js interfaces with robust backends in Node.js or Python (FastAPI, Django).

  • Python backends & automation

    Python services, background workers and automation scripts — from FastAPI APIs to scheduled data and admin jobs.

  • REST API development & integration

    Well-documented APIs and integrations with payment, identity and third-party services.

  • Database design & optimisation

    Schemas, indexing, migrations and query tuning for PostgreSQL, MySQL and MongoDB, with Redis caching where it helps.

  • Modernisation & containerisation

    Refactoring legacy applications and packaging them in containers for consistent deployment.

  • Cloud-native architecture

    Architectures that use managed cloud services, scale with demand and fail gracefully.

  • Performance & production readiness

    Load testing, caching, security headers, logging and monitoring before go-live.

  • CI/CD integration & automated deployment

    Every change built, tested and deployed through an automated pipeline.

Typical engagements

Where teams usually start

Common ways teams work with us on web applications.

  • New product build

    Taking a web application from requirements and design through to a production launch.

  • Frontend rebuild

    Modernising an existing interface with a component-based frontend and better performance.

  • API platform

    Designing and building REST APIs that power web, mobile and partner integrations.

  • Legacy modernisation

    Breaking down and containerising an ageing application so it can be deployed and scaled safely.

  • Internal tools & portals

    Admin panels, customer portals and workflow tools built around how your team works.

  • Performance tune-up

    Profiling slow pages and queries, then fixing the bottlenecks that matter most to users.

FAQ

Questions about Web Applications

What technologies do you build web applications with?
Typically React and Next.js on the frontend, Node.js or Python (FastAPI, Django) on the backend, and PostgreSQL, MySQL or MongoDB for data — with Redis for caching — chosen to fit your team and requirements.
SQL or NoSQL — which database should we use?
It depends on your data. Relational databases like PostgreSQL or MySQL suit structured, transactional data; MongoDB suits flexible, document-shaped data. We help you choose, and many applications use both.
Can you modernise an existing application?
Yes. We can refactor in stages, add tests, containerise the application and move it to a CI/CD pipeline and cloud hosting without a risky big-bang rewrite.
Who owns the code?
You do. Code, infrastructure definitions and documentation live in your repositories.

Ready to build something that lasts?

Tell us about the application you need or the one you want to modernise. We'll suggest a practical plan.

Discuss your application