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Bespoke backend systems.

Custom Administration Portals Designed Around Your Workflow, Not a Generic CMS.

When your operations are too specific for an off-the-shelf system, a custom administration portal gives your team direct control over the data, content, and processes that run your business, without calling a developer for routine changes.


See what we have built

Custom Administration Portals Built Around Your Data Model, Not a Generic Template.

Most organisations reach a point where their internal tools stop working for them. The spreadsheet has too many tabs. The off-the-shelf CMS has fields that almost match what you need. The workarounds take longer than the actual work. That is the moment a custom administration portal becomes the correct decision.

We architect role-based administration systems with custom data models, fine-grained permissions, and audit trails built to your workflow. The result is a system where your team manages content, processes records, and updates product data without touching code and without calling a developer.

Partnering with Code and Visual gives you access to:

  • A purpose-built admin interface matched to your existing operational language and workflow
  • Role-based access control with field-level permissions where required
  • Custom data models that reflect real business entities, not generic CMS abstractions
  • API-connected backend that can serve web, iOS, and Android from a single source of truth
  • Handover documentation and training so your team operates the system independently from day one

The Real Problem Is Not the Software. It Is That the Software Was Never Designed for Your Work.

Generic platforms force you to map your processes onto their data model. You end up with custom fields shoehorned into post types, plugins conflicting with each other, and administrators learning workarounds instead of doing their jobs. When something breaks, you need a developer who understands both the platform and the customisations layered on top. That is an expensive, fragile arrangement.

Custom administration portals invert this. The data model is designed around your entities first. If you manage fleet vehicles and their service records, those are first-class objects in the system, not approximations of a blog post. If a specialist needs to record patient outcomes against clinical benchmarks, the interface mirrors that clinical process exactly, including conditional question paths and dependent calculations.

The build cost is higher upfront. The ongoing cost, in developer time, workaround labour, and data quality failures, is substantially lower. Organisations that have run both models consistently report the custom system pays for itself within eighteen months.

A Sydney development team with 18 years of backend experience.

Code and Visual has been building bespoke backend systems and administration portals for Australian businesses since 2008. Our Australian-based team works directly with your stakeholders to document your data model, design your permission architecture, and build a system that your team can operate independently from day one.

18+ Yrs
Agency Experience

Building bespoke backend systems for Australian businesses since 2008.

3
Platforms, One Backend

Custom portals built to serve web, iOS, and Android from a single API source.

0
Off-the-Shelf Platforms

Every portal is architected from a custom data model, never adapted from a CMS template.

100%
Documented Handover

Administrator-level documentation and training delivered with every portal build.

 

Case studies.

Custom Portal Builds for Complex Australian Operations.

The following projects demonstrate what a purpose-built administration system enables that no generic platform can replicate.

CASE STUDY 1

Donaldson Australasia (Truck Filter Guide)

Donaldson Truck Filter Guide - custom administration portal by Code and Visual
  • The Challenge: Donaldson needed fleet owners and mechanics to identify the correct filter for a specific vehicle quickly and without error. The compatibility dataset is large, product listings change regularly, and every update previously required a developer to modify files directly.
  • The Solution: A cross-platform application in HTML5 serving iOS, Android, and web from a unified codebase, backed by a custom remote administration portal giving Donaldson's product team direct control over all content and compatibility data without developer involvement.
  • The Result: Donaldson's product team can add vehicles, update filter specifications, and publish changes to all three platforms simultaneously. Data validation at the portal level prevents incomplete compatibility records from reaching the published app.

View the project >

CASE STUDY 2

Royal Australian and New Zealand College of Obstetricians and Gynaecologists (Audit App)

RANZCOG Audit App - custom data collection system by Code and Visual
  • The Challenge: RANZCOG needed specialists to record patient outcome data in a structured format for aggregation and benchmarking against national averages. The data collection process is clinically complex, with subsequent questions depending on earlier answers and some fields requiring calculated outputs from multiple inputs.
  • The Solution: A cross-platform app for iOS and Android using our custom Logic Web technology for dynamic question-and-answer path management, evaluating specialist input in real time and surfacing only the clinically relevant questions with dependent calculations updating as data is entered.
  • The Result: Specialists record patient outcomes through a structured, conditional interface that matches their clinical workflow exactly. Recorded data feeds an aggregation layer allowing comparison against national benchmarks, administered by RANZCOG staff without developer intervention.

View the project >

 

Built for complexity:

Your data model first. Your operational language throughout. No plugin stacks, no workarounds.

More about our
Custom Administration Portals services.

Built for your data model


Start with the data, not the interface

Most portal projects fail not because of bad design, but because of a flawed data model underneath it. When a generic CMS is forced to hold data it was never designed for, the result is a fragile system of workarounds. Fields that almost work. Relationships that have to be inferred. Administrators who spend more time navigating software limitations than doing their actual job.

Our approach starts before any interface is sketched. We map every entity your system needs to manage, every relationship between those entities, and every validation rule that protects your data quality. The schema and permission matrix we produce become the specification for everything that follows.

This means the administration portal your team receives is not a repurposed blog platform or a CMS with extra fields bolted on. It is a purpose-designed system where the database, the API, and the interface all reflect the same underlying model: yours.

What this gives you:

  • A data model that reflects your real business entities, not CMS abstractions
  • Validation rules that prevent bad data at the point of entry
  • A system that can grow without structural rebuilds
  • Clean, documented architecture any developer can maintain

Designed for your team


An interface your team actually wants to use

The best administration portal is one your team uses without thinking about it. That only happens when the interface is built around the way your people actually work, using the language they use, following the sequence they follow, and making the common tasks fast without making the rare tasks impossible.

We design administration interfaces around documented workflows, not around what a generic CMS makes easy to build. If your team manages vehicle compatibility data, the portal presents that as vehicle and filter relationships, not as posts and custom fields. If specialists need to record clinical data through conditional question paths, the portal surfaces exactly the right questions in exactly the right order.

Role-based access is built into the architecture, not added on top of it. Different users see different interfaces, perform different actions, and access different data, enforced at the API layer rather than by hiding buttons in the UI. The result is a system that is genuinely appropriate for every person who uses it.

Built for the people who use it every day:

  • Interface vocabulary matched to your operational language
  • Role-specific views for administrators, editors, and reviewers
  • Conditional logic and dynamic forms for complex data entry
  • Bulk operations and inline validation for high-volume workflows

Built to outlast the project


Independence from day one

A portal that requires a developer to perform routine operations has not been finished. It has been partially delivered. We measure the success of every custom portal build by how rarely your team needs to contact us after handover for day-to-day tasks.

Handover is a structured deliverable, not a brief walkthrough. We produce administrator-level documentation covering every operation your team will perform, written in plain language and organised by task rather than by technical architecture. We then conduct a training session with the actual people who will use the system, not a proxy group, and we cover every workflow until your team is confident.

The system architecture is documented at the developer level too, which means any competent development team can maintain and extend the codebase without reverse-engineering decisions made during the build. Post-launch support is scoped explicitly so there are no ambiguous expectations about what is included.

The portal we hand over is yours, completely, from day one.

What handover looks like:

  • Administrator documentation covering every task, in plain language
  • Live training with the real users of the system
  • Developer-level architecture documentation for future maintainers
  • Explicitly scoped post-launch support with no ambiguity

Your Operations Deserve a System Built Around Them.

If your team is working around your software instead of with it, the system is the problem. Tell us how your operation works and we will tell you exactly what a purpose-built administration portal would solve.