Fractional CTO Services in Sydney
The best Fractional CTO Services in Sydney, at the best available price.
You have engineers, or contractors, or an agency, and no one whose job is to decide whether the architecture, the spend and the hiring plan are right. That is the gap: ten to twenty hours a month from someone who has built and run the thing you are building, and who will tell you when you are about to spend money you do not need to.
Sydney is Australia's financial capital and its largest software market, home to the major banks, insurers, the ASX and product companies that grew up here and sell worldwide. Buyers range from APRA-regulated institutions with formal vendor risk processes to venture-backed scale-ups that move quickly, and both increasingly ask how an AI feature handles customer data before they ask what it costs.
Many Sydney scale-ups have a strong founding engineer who is now managing people and a board at once. A fractional CTO takes architecture, vendor choices and investor diligence off their plate until a full-time CTO is hired.
What you get
- Architecture decisions made and written down, with the trade-offs stated rather than assumed
- Infrastructure and AI spend reviewed against what you actually use, not what you provisioned
- Hiring: what roles you need next, what to test for, and which hires to delay
- A technical voice in investor and customer conversations when you need one
- Honest counsel on build versus buy, including when the answer is to buy
Scoped to the hours you actually need. Month to month, with no long lock-in, because a fractional CTO you cannot leave is just an expensive employee.
Invoiced in USD or AUD, payable by Wise or bank transfer.
Request a callback
You speak to the engineer who does the work. No sales rep, no deck.
Who builds here
AI Development Company
Sydney has a deep pool of product companies and financial institutions shipping AI features to customers, and the hard part for them is production engineering that survives an APRA-style vendor review, which is where a senior AI engineer earns their keep.


What Sydney companies build with us
Get it built at $0.
That is not a discount. It is when you pay. The work is split into checkpoints with acceptance criteria written down before anything starts, and each checkpoint is invoiced only after you have seen it and accepted it. No deposit.
- $0 to start
- You hold every dollar until a checkpoint is delivered and you accept it. No approval, no invoice.
- Fixed cost, unlimited features
- Or hire the team outright: one fixed monthly cost, unlimited feature development, any stack.
- The engineer takes your call
- The person on your first call is the one who architects and writes it. No account managers, no bench time.
A US agency quotes $50,000 to $150,000 for the same build and asks for 40 to 50% of it before a line is written. Account managers, project managers, sales commission and bench time. None of it appears in your product.
Three stages, nothing hidden.
Twenty-minute call
We work out whether you need a fractional CTO at all. Plenty of teams need one good senior engineer instead, and that is a cheaper answer worth hearing.
First month, diagnostic
Architecture, infrastructure spend, delivery process and team shape reviewed, with the findings written down plainly and prioritised by what they cost you.
Ongoing retainer
A fixed block of hours each month. Regular reviews, decisions when they are needed, and direct access rather than a ticket queue.
What actually applies here.
Regulation and data
Private companies follow the federal Privacy Act 1988. The 2024 amendments added a statutory tort for serious invasions of privacy, in force since June 2025, and from 10 December 2026 privacy policies must disclose when automated decisions, including AI, significantly affect individuals. Banks, insurers and super funds answer to APRA, whose CPS 234 covers information security and CPS 230, applying since 1 July 2025, covers operational risk and material service providers. NSW public sector agencies are bound by the Privacy and Personal Information Protection Act 1998, which has carried a mandatory data breach notification scheme since November 2023, and the Health Records and Information Privacy Act 2002 also reaches private health providers in the state.
Contracting and payment
You contract with an individual consultant based in India. Invoices in AUD or USD, paid by Wise or bank transfer. Your accountant handles an overseas supplier in the usual way, and any documentation they need is provided up front.
Working hours
Three or more hours of daily overlap in your afternoon, Australian Eastern time, and work handed over at the end of your day so the next round is waiting in the morning.
How do the hours work with Sydney, given daylight saving?
Expect three or more hours of daily overlap in your afternoon. India does not change its clocks, so the gap to Sydney is four and a half hours in winter and five and a half during daylight saving. Calls sit after lunch your time, and work handed over in your evening is ready the next morning.
Can you work under APRA CPS 230 as a service provider?
Yes. That means completing your vendor assessment, working with named and limited access in accounts you own, and documenting what was built so your risk team can record it. Where it matters, data and inference stay in an Australian region of your cloud account.
Do we actually need a fractional CTO?
Often not, and you will be told so. If the real problem is that nobody is building fast enough, a senior engineer is a better spend. A fractional CTO earns its cost when the expensive decisions are the bottleneck: architecture, infrastructure spend, build versus buy, and who to hire next.
How is this different from an advisor?
An advisor gives opinions. This role makes decisions, writes them down, and is accountable for them. Where it helps, the work is done rather than delegated, including the parts that involve opening the codebase.
What happens to our existing team?
They keep building. The role is to remove the decisions that block them and to be honest with you about where the team is short, which is usually a smaller gap than founders fear.
Fractional CTO
Senior technical leadership, 10-20 hrs/month: architecture, AI strategy, cost control.