Production-ready software, up to 60% faster
We build with AI inside a governed engineering harness, with full test coverage from day one. You get a working system in your environment, not a prototype to rebuild.
Build at Level 4 AI engineering maturity from day one
Deliver faster without compromising governance
Go live with confidence, backed by tests written with every feature
AI engineering
Shipping AI-built software that works takes people, process and technology
AI can’t ship production software on its own. It needs engineers who know how to direct it, a process that makes results repeatable, and a harness that brings both together. Here’s how each works at PhoenixDX.
People
Engineers working at AI engineering maturity Levels 3–4, not vibe coding at Levels 1–2.
Process
A spec-driven, harness-governed workflow, not prompt-by-prompt improvisation.
Tech
Proprietary PhoenixDX harnesses with our process built in, improving with every delivery cycle.
People + process
Anyone can prompt. Not everyone can ship.
The difference is AI engineering maturity, not talent. Vibecoding at Levels 1–2 is piecemeal and unreliable. Successful shipping to production requires engineers working at Levels 3–4, inside a proven process.
Levels 1–2: Improvised
Vibecoding
- Prompt-by-prompt, hoping it works
- A different result every run
- Standards left to chance
- You inherit the risk, fixes and rework
- Hidden cost in human hours and wasted tokens
- A prototype you still have to rebuild
Levels 3–4: repeatable
Engineered AI development
- Repeatable processes coded into a harness
- The same enterprise-grade result every time
- Brand, security, coding and regulatory standards built in
- We own the outcome, not just the artefact
- Lower real cost through fewer tokens and expert oversight
- A production system you can build on
Tech
The harness is where the method lives
Our real value isn’t the AI model or a set of clever prompts. It’s the way we work - our best practice methodology - built into our own tech stack. The harness sets the steps the AI follows, the rules it must stick to and the checks that catch mistakes, so every project is controlled and consistent. It also learns from every project, so it keeps getting better. Here are the harnesses we run in-house.
Atlas
The advisory and sales companion for our AI practice. Our consultants use it to guide a customer through a full AI engagement.
ParaDoX
Our own secure AI platform, built on Amazon Bedrock and running entirely on PhoenixDX infrastructure in Sydney. No company data leaves our environment.
Alchemy
An AI factory that rebuilds legacy applications. Point it at an old application, and governed Claude agents consolidate it into a single source of truth and drive the rebuild.
Sizr
From client brief to ready-to-send proposal. Our sales and delivery teams use it to scope, cost and quote an engagement in one place.
The Challenge
Custom builds are too slow, vibecoded prototypes too flimsy
You need a focused application live quickly. But for a small, well-defined scope, a full custom build costs too much time and money, and a vibecoded prototype rarely holds up once real users and real data hit it.
How We Help
We offer spec-driven AI harnesses, not a chat window
Pair our AI engineering harnesses with a spec-driven approach. Governed Claude agents turn structured requirements into code and tests. Senior engineers review and refine, then ship it to production.
What you get
A system you own, not a prototype you inherit
-
A production-ready application
A working system built for real users and real data.
-
Built on your preferred stack
Delivered on the technology your team already uses, provided it supports our AI engineering harnesses.
-
Deployed and handed over
Your team gets a system it can run and extend, with full tests and documentation. No black box.
Why PhoenixDX
From the team that engineers its own harnesses
Governed from day one
Every build runs inside the same harness we hold ourselves to. It’s ISO 42001-aligned, auditable and always accountable to a human.
Tooling we have built
Atlas, ParaDoX, Alchemy and Sizr are proprietary platforms we built and run ourselves. We use what we offer, so you’re getting proven tools, not a vendor pitch.
Already at Level 4
Take advantage of our AI engineering harnesses, which already run at maturity Level 4. Your build starts at a level most teams are still working towards.
A working system
We offer 40–60% AI-generated code, full test coverage written with it, and a live production deployment. Not a demo you have to rebuild.
150+
Successfully delivered projects
140+
IT professionals across APAC
ISO 27001
Certified
Ready to ship AI-built software?
FAQs
Common questions asked about our AI Engineering Build capability.
Looking for different information?
What counts as a ‘well-defined scope’ for a fixed-scope build?
A focused application with clear requirements and a limited set of workflows. It’s the kind of system that doesn’t need a full custom build but is too important to trust to a vibecoded prototype. We confirm the scope and fit with you before fixing the timeline and cost.
How much of the code is AI-generated versus human-written?
Typically 40–60% is AI-generated by governed Claude agents working from structured requirements inside our harness. Our senior engineers write the rest, and they review and refine every line before it ships.
What do we own after handover?
You own the production application, its source code, the full test suite and the supporting documentation. It’s deployed in your environment on your target stack, and we hand it over properly so your team can run and extend it.
What stack do you build on?
We build on the stack your team already uses, as long as it works with our AI engineering harness. We confirm compatibility during scoping, before anything is fixed.
How is this different from a vibecoded prototype or an AI app builder?
Vibecoded prototypes and AI app builders give you a different result every run, leave standards to chance and pass the rework on to you. Our process is repeatable and runs inside a governed harness, so you get the same enterprise-grade quality every time, with full test coverage written with the code and a system you own outright.