By Jérémy Marquer, fractional CTO
A fractional CTO’s blog
What I apply as a fractional CTO, written for founders and tech teams: stack choices, MVPs, technical debt, security, hiring, fundraising and AI.
- Audit & takeover5 min read
Legacy migration without downtime: a 120-day fractional CTO plan
How to modernize a legacy system without disrupting operations: architecture audit, phased migration strategy, risk governance, and a practical 120-day execution model.
- Audit & takeover12 min read
SaaS security and GDPR: the baseline, then SOC 2 or ISO 27001
The security and GDPR baseline a SaaS needs from its first customers, how to audit it, and when a SOC 2 report or an ISO 27001 certificate becomes worth it.
- Audit & takeover5 min read
Production Incident in a Startup: A Postmortem Framework That Protects Revenue
A practical incident response and postmortem framework for startups that need to restore uptime fast, reduce churn risk, and build investor-grade operational trust.
- Audit & takeover11 min read
Technical debt audit: what to check and what to fix first
A technical debt audit measures what slows your app down or puts it at risk, then ranks the fixes by business risk and effort. Here is the method, step by step.
- Audit & takeover10 min read
Technical due diligence: what investors check, how to prepare
Before a funding round or an acquisition, investors check code ownership, security, key-person risk and costs. Here is what they look at and how to prepare.