On-Demand CTO & Senior Solo Factory

For founders who need an on-demand CTO to ship fast and scale with confidence.

Not an opaque agency. Not a junior freelancer. A dedicated senior builder bridging engineering excellence, product strategy, and shipped outcomes.

Book a discovery call

Production-Grade Stack & Modern Engineering Standards

Astro
TypeScript
Supabase
Tailwind
Cloudflare
Stripe
5 Engagement Modes

How I help founders at every stage

Target your immediate bottleneck. Direct senior execution, Day-1 telemetry, zero technical debt.

Flagship Sprint • 21 Days

From zero to fully shipped MVP

3 Weeks

Production-grade web or mobile app, clean architecture, Stripe billing, and complete handover documentation. Ready to charge paying users from day one.

🎯 Built-in Learning Engine

PostHog telemetry and conversion funnels wired on Day 1 to measure exactly how early adopters navigate and convert.

💡 Fast-Track Scope

Stop guessing your dev budget

From €950

Fixed-price scoping package: ready-to-code PRD, data architecture, and 1-year cloud cost simulation before writing any code.

📦 Deliverable: Your comprehensive Technical PRD.
🔄 Velocity

Losing dev-business alignment?

Realign product priorities with sprint cadence. Streamlined agile rituals, PR review guidelines, and direct developer coaching.

📊 Scorecard: Objective Lead-Time and cycle tracking.
📈 Flash Audit

API latency or wild AWS bills?

5 Days • From €1,900

5-day commando sprint: codebase stress-test, slow SQL query identification, and actionable ROI-driven remediation roadmap.

⚡ ROI Target: 50% lower latency & 30% cloud savings.
⚙️ Executive

Scaling or preparing to raise?

Part-time executive leadership: investor technical due diligence, strategic infra roadmap, and recruiting your in-house lead developer.

🤝 Guarantee: Autonomous handover to internal team.
Engagement Framework

A process engineered to derisk your tech.

No black boxes. A predictable shipping methodology applicable to all mandates (Build, Audit, Fractional CTO).

Day 1

Sanity Check & Mutual NDA

A no-strings-attached 20-minute discovery call to validate technical viability. If there is mutual interest, we immediately lock down your IP confidentiality before diving deeper.

Client Input

A quick overview of your current bottlenecks or product vision.

Guaranteed Deliverable

E-signature of a mutual Non-Disclosure Agreement (NDA).

Week 1

Immersion & Strategic Blueprint

Deep dive into your specific context. I map your current infrastructure, workflows, or specs, and we radically trim the scope to maximize the ROI of the engagement.

Client Input

Temporary access to repositories (GitHub), cloud infra, or Figma.

Guaranteed Deliverable

The Blueprint: a costed, actionable roadmap and target architecture.

Per Mandate (e.g., 21-Day Sprint)

Iterative Execution (Build, Align, Grow)

Switching to asynchronous execution mode based on the chosen service. Whether I am building your MVP, stress-testing your databases, or mentoring your team, I ship continuous testable iterations.

Client Input

Prompt validation of deliverables on staging environments.

Guaranteed Deliverable

Production-deployed code, final audit reports, or operational agile workflows.

Project Wrap-up

Handover & Full Autonomy

Zero vendor lock-in. I transfer full control back to you. We conduct a knowledge-transfer session with your team. You then choose: take 100% control or retain me on a Fractional CTO basis.

Client Input

Team availability for the handover session.

Guaranteed Deliverable

Full IP transfer, exhaustive technical documentation, and admin rights handover.

Proven Outcomes & Delivery

Recent Projects & Measurable Impact

From architecture scoping to production delivery under high constraints. No dead prototypes, only shipped systems.

Enterprise AI & Workflow Automation Banking • Production MVP

SIATE — Banking AI Hub

85% Accuracy
over 1,000+ emails processed daily
The Challenge:

A banking customer relations center overwhelmed by unstructured incoming emails, creating response bottlenecks and manual triage fatigue.

Delivery & Impact:

Engineered a compliant semantic analysis MVP: automated intent extraction, risk classification, and routing directly to the right account managers.

Python FastAPI NLP & LLM PostgreSQL Docker
Mobile & Web Product Engineering B2C / B2B SaaS

KlynPix — Cross-Platform Suite

Mobile to Web
Unified codebase & fast time-to-market
The Challenge:

Transitioning an established mobile application into a responsive web platform without fragmenting user state or doubling infrastructure overhead.

Delivery & Impact:

Delivered a cross-platform foundation with optimized media processing pipelines, secure auth, and instant checkout flows.

React Native TypeScript Node.js Cloudflare Stripe
Growth Engineering & Automation Search & Telemetry

pSEO / GEO & Analytics Engine

Zero Manual Ops
Edge-speed indexing + automated GA4 intelligence
The Challenge:

Navigating the shift to Generative Engine Optimization (GEO) while wasting engineering hours on manual analytics synthesis.

Delivery & Impact:

Built a high-velocity programmatic SEO framework paired with automated GA4 data collection and executive insight summaries.

Astro Edge Functions Google Analytics API Tailwind Supabase
Trusted by founders
"
★★★★★

Solid architecture and an MVP delivered with zero compromises. The app scales effortlessly since day one.

A.
Founder & CEO
App Review (Mobile)
"
★★★★★

Pragmatic, straight to the point, and incredibly helpful on our tech stack choices. Exactly the seniority we needed.

M.
Tech Lead
Recommandation LinkedIn