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Fractional CTO / Architect / Builder — Enterprise

An Outside CTO,
When the Stakes Are High

Independent, executive-level technology judgment for organizations where the cost of a wrong call is measured in millions. Same practice that leads fractional CTO engagements for startups — applied at enterprise scale.

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Dostal Technology clients: All That Technology (rebuilt) · CADEX Legacy (built from zero)
Before Dostal Technology: Hertz (via Zilker) · Chick-fil-A (via EY) · Costco (via Ascendant) · Wayfair (employee)

Is This You?

Who This Is For

  • You need an objective technology audit before a major investment
  • A digital transformation initiative has stalled or gone off-track
  • You're evaluating vendors and need an expert to cut through the noise
  • Leadership needs an independent architecture review
  • You need a credible outside voice for board or investor conversations

One Accountable Owner, Not a Diffused Team

Enterprise engagements often start with a partner-level pitch and end with a team of associates you never vetted. This is the opposite: direct access to the person doing the work — the same senior technical leader end to end, accountable for the audit, the recommendation, and the follow-through. No junior staffing, no account management layer between you and the judgment you're paying for.

Direct access to the principal — every engagement, every deliverable
15+ years shipping production systems at Costco, Hertz, Wayfair, and Chick-fil-A scale
NDA and confidentiality as standard practice
Deliverables built to hand directly to your board or investors

Ways We Work Together

Four ways enterprises engage the same fractional CTO / architect / builder practice — scoped to what you actually need.

Also Part of the Practice

  • Technical due diligence for M&A and PE (folded into the Audit engagement today)
  • Engineering leadership interviewing & hiring support
  • Growth & scaling advisory

Proven at Scale

Mathew built systems for some of the world's largest companies before Dostal Technology. That depth is available as an independent outside voice for yours.

15+
Years of Technology Leadership
100+
Developers Led
20+
Years Writing Production Code
10+
Apps Shipped

Selected Case Studies

Hertz
6,000% throughput improvement — from ~50 RPS to 3,000+ reads/sec with p95 latency under 30ms.
Costco
Enterprise-scale mobile commerce platform serving millions of members.
Wayfair
Supply chain architecture modernization for one of the world's largest online home goods retailers.
Chick-fil-A
$20M EY engagement: architected offline-first ordering designed to keep 2,600+ locations taking orders without internet (targeted outcome; the engagement was still underway).
View all case studies

Not an enterprise? See Fractional CTO for Startups & Tech Growth or Small Business.

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Let's Discuss Your Needs

Every engagement starts with a conversation. No pitch, no pressure — just an honest discussion about where you are, where you want to go, and whether I can help get you there.

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Typically respond within one business day.