Pierre-Yves GUILLEMET

Service Pillars

architecture

Fractional CTO

• Strategic technology roadmapping
• Technical hiring and team scaling
• Board-level technical advisory

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Delivery Leadership

• Unblocking stalled development
• Agile process optimization
• QA and Release management

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Engineer Support

• Mentoring Lead Engineers
• Code review and architecture
• Developer experience (DX)

When to call me

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Project is late or stalled

I diagnose bottlenecks and reset the delivery rhythm to meet critical deadlines.

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CTO or Lead has left

Interim leadership to maintain stability while we search for a permanent hire.

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Preparing to scale

Ensuring your tech stack and architecture can handle 10x growth without breaking.

How I Work

Diagnose

Deep dive into codebase, culture, and processes to identify core friction points.

Stabilize

Implement quick wins, fix urgent technical debt, and align the team on immediate goals.

Deliver

Establish sustainable cadence and hand over to a high-performing internal team.

Fractional CTO & Technical Consultant

Pierre-Yves GUILLEMET is a Former CTO and Engineering Director with 15+ years experience building and scaling technical organizations. Expert in Distributed Systems, Agile transformation, and aligning engineering outcomes with business goals.

Engagement Models

Fractional (Retainer)

1-2 days per week for ongoing strategic leadership.

Project Recovery

Intensive 4-12 week turnarounds for mission-critical releases.

Technical Advisory

Fixed-fee architecture reviews or engineering hiring audits.

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Ready to build better?

Schedule a confidential consultation with Pierre-Yves GUILLEMET to discuss your technical landscape.

Schedule a Call

Professional • Confidential • Result-Oriented

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