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By Chris Gainus — software engineer and architect for healthcare. Book a scoping call.
What Is a Fractional CTO? (And When You Actually Need One)
A fractional CTO is a senior technology executive who works with your company part-time. Think of it as having a CTO without the $250,000+ salary, equity grant, and full-time commitment.
I work as a fractional CTO for healthcare organizations while running IT operations full-time at a Medicare Advantage primary care company. This isn't a side gig or an advisory retainer. It's hands-on engineering and architecture work, delivered in blocks of time that match what the client actually needs.
What a fractional CTO actually does
I can tell you what I do in a typical week across my clients:
Architecture decisions. A clinic network needs to migrate from on-prem infrastructure to cloud-hosted EHR. I design the migration, evaluate vendors, write the integration specifications, and oversee the implementation. That's a real project with a real timeline.
Team leadership without the overhead. A healthcare startup has three developers and needs someone to set technical standards, review code, and make build-vs-buy decisions. I spend 10 hours a week doing that. They don't need a full-time VP of Engineering yet.
Technical due diligence. A private equity firm is acquiring a healthcare technology company. I review their architecture, data infrastructure, security posture, and technical debt. I write the findings in language the investment committee can act on.
Vendor evaluation. A clinic is choosing between Epic, Cerner, and eClinicalWorks. I build the evaluation matrix, sit in on vendor demos, and tell them which integration paths are real and which are vendor slide-ware.
How it differs from advisory work
This is the most common confusion I see. An advisor tells you what to do. A fractional CTO does the work.
An advisor might say "you should migrate to the cloud." A fractional CTO designs the migration plan, writes the Terraform, selects the right service tier, and reviews the deployment. Both have value. They are not the same job.
The distinction matters because many consulting firms sell "advisory services" that produce a deck and disappear. If you need someone to actually build the thing, you need a fractional CTO, not an advisor.
When to hire one
You're a healthcare startup that has raised seed funding. You need technical leadership but can't afford a full-time CTO. A fractional CTO sets your architecture, hires your first engineers, and stays until you're ready for a full-time hire.
You're a clinic network going through a technology transition. Migrating EHR systems, implementing Salesforce Health Cloud, or building a data platform. These are 6-18 month projects that need senior architecture leadership but don't need a permanent CTO.
You're acquiring or being acquired. Technical due diligence on a healthcare technology target is specialized work. You need someone who can read an architecture diagram and tell you if the data pipeline is held together with duct tape.
Your IT director is drowning. This is more common than people admit. A capable IT director who is maintaining operations but doesn't have the bandwidth to also drive strategic technology initiatives. A fractional CTO handles the strategy while the IT director runs the shop.
What it costs
Fractional CTO rates in 2026 range from $200-$350 per hour depending on location and specialization. Healthcare-specific work tends toward the higher end because the compliance requirements (HIPAA, HITRUST, FDA software classifications) add complexity.
Engagement structures I commonly see:
- 10-20 hours per month at a monthly retainer
- Project-based with a defined scope and timeline
- Interim coverage during a CTO search (typically 3-6 months)
The question to ask is not "how much does a fractional CTO cost" but "what does a bad architecture decision cost." A data platform built on the wrong foundation can cost $500,000+ to fix. A fractional CTO who prevents that mistake has paid for several years of their retainer.
What to look for
Someone who still writes code and reviews architectures, not someone who hasn't touched a production system in five years. Ask what they built in the last 12 months. If the answer is "strategies" or "frameworks," keep looking.
Someone with domain experience in your industry. Healthcare technology has specific patterns: HIPAA compliance, EHR integration, FHIR APIs, value-based care reporting. A generalist fractional CTO will spend three months learning what a healthcare-specific one already knows.
Someone who will tell you when you don't need them. The best fractional CTOs work themselves out of engagements. If someone wants an indefinite retainer with no exit criteria, that's a vendor, not a partner.
I take on a small number of fractional CTO clients through PumaTech. If your organization needs hands-on technology leadership without a full-time hire, reach out.
Originally published on dev.to.