FOURZ — Technology. Intelligence. Digital Experience.FOURZ — Technology. Intelligence. Digital Experience.
Backend service code open on a developer workstation

Software & Digital Products

API & Backend Development

The services everything else depends on.

Overview

The services everything else depends on.

REST APIs, business logic, databases, authentication and integrations — the backend architecture that lets systems exchange information reliably.

Backend work is invisible until it fails, which is exactly why it deserves the attention. We design for the things that decide whether a platform survives: clear contracts, sensible data modelling, real authentication, observability and behaviour that stays predictable when a dependency does not.

Application logic and data structures displayed on a dark editor screen

What it covers

Key capabilities.

Delivered individually or as one coordinated scope, depending on where you are starting from.

01

REST APIs

02

Backend development

03

Business logic

04

Databases

05

Authentication & authorisation

06

Third-party integrations

07

Scalable architecture

08

Monitoring & logging

Business value

What this actually
changes.

The commercial reason this work is worth doing, stated plainly.

01

Systems that talk

Documented interfaces so integrations stop being bespoke each time.

02

Predictable under pressure

Designed for the failure cases, not only the happy path.

03

Maintainable later

Clear structure and contracts so the next developer is not starting over.

How we approach it

Four stages.
No surprises.

The same route from an unresolved requirement to something running in production.

01

Contract first

Agree the interface and the data model before implementation starts.

02

Build

Implement logic, persistence and authentication with tests alongside.

03

Integrate

Connect the external services and handle their limits and outages properly.

04

Observe

Ship with logging, metrics and alerting so problems surface early.

Where it applies

Typical
use cases.

The situations this capability is most often brought in to resolve.

01

System integration

Two platforms that need to exchange data reliably and on schedule.

02

Application backend

The services behind a web or mobile product built to scale.

03

Legacy exposure

Putting a clean, documented API in front of an older system.

Start a conversation

Start with API & Backend.

Tell us the outcome you need. We will scope the work — and flag anything you do not need to buy.