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[ Method ]

Design.Engineer.Validate.

A practical delivery rhythm for teams that need clarity before they spend heavily on visibility.

Every phase produces a decision, an artefact, or a risk removed.

The goal is not process theatre. It is fewer surprises between idea and launch.

STEP 01Design / Engineer / Validate

THE MEETING

The first job is to understand the pressure behind the brief.

We clarify the business context, audience, constraints, current website or workflow, and the decisions that need to be made before design starts.

Decision
A shared definition of the problem worth solving.
Leaves with
Discovery notes and initial scope boundaries.
A tablet analytics view being reviewed alongside early project evidence

Discovery notes and initial scope boundaries.

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STEP 02Design / Engineer / Validate

THE DIAGNOSIS

We map the system before we decorate the surface.

Route structure, content hierarchy, conversion friction and operational risk are translated into a practical plan the project can actually follow.

Decision
Route, content and risk priorities are agreed.
Leaves with
A system map and practical delivery plan.
Wireframes and route structure being shaped on a laptop before design begins

A system map and practical delivery plan.

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STEP 03Design / Engineer / Validate

EXPLORATION

The visual system is tested against real content and real screens.

We shape page rhythm, interface states, responsive behaviour and motion moments around the outcome the site or product needs to create.

Decision
One visual direction earns the build.
Leaves with
Responsive designs and interaction rules.
Designer using a pen display to refine a responsive interface system

Responsive designs and interaction rules.

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STEP 04Design / Engineer / Validate

CONSTRUCTION

Design and engineering move together.

The build is structured around reusable components, route ownership, accessibility, performance and the technical decisions needed for a stable launch.

Decision
Implementation preserves the approved intent.
Leaves with
A maintainable production build.
A production codebase and interface preview being worked through at a dual-screen desk

A maintainable production build.

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STEP 05Design / Engineer / Validate

ADJUSTMENTS

Validation is where the work earns its confidence.

We review mobile fit, page speed, metadata, form states, copy clarity, hover states and launch risks before the work is treated as ready.

Decision
Launch risks are closed with evidence.
Leaves with
A QA record and clear release decision.
A responsive product dashboard being checked against interface and content states

A QA record and clear release decision.

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STEP 06Design / Engineer / Validate

TRANSMISSION

The project leaves with a clear next step, not just a handover folder.

We close with launch support, ownership notes, reusable assets and the next improvement path so your team knows what to do after go-live.

Decision
Ownership and the next moves are clear.
Leaves with
Handover, support and an improvement path.
A studio team reviewing system decisions, ownership notes and the next improvement path

Handover, support and an improvement path.

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That whichneverchanges.

Over the course of projects, sectors change, formats change, and challenges change. But three things remain constant at Dev404.

01

We really listen to you.

Every project starts with you, not with our current whims.

02

We are organised.

Deadlines met, clear milestones, regular communication. You know where things stand.

03

We put our heart into it.

Design is a labour of passion. You can see it in the result.