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Hugo Teijiz

Operational continuity

Migrate without freezing operations — with control, not empty promises.

I design transitions with coexistence, observability, and rollback. Minimizing interruption is an engineering goal, not a slogan.

In an initial 30-minute conversation we review context, criticality, the urgency trigger, and whether an assessment is a fit. You do not need to share code or confidential information at this stage.

Approach

  • Waves instead of big bang
  • Legacy + modern coexistence
  • Feature flags and dual run
  • Shadow traffic when it adds evidence
  • Contract and characterization tests
  • Explicit rollback plan

Operational honesty

I do not promise “zero risk” or “100% zero downtime” in every context. I promise a design that reduces surprises and supports cutover decisions with evidence.

What happens in the first meeting

In an initial 30-minute conversation we review context, criticality, the urgency trigger, and whether an assessment is a fit. You do not need to share code or confidential information at this stage.

Useful to prepare

  • System or product
  • Known technology
  • Approximate age
  • Business criticality
  • Main problem
  • Current team
  • Urgency trigger
  • Approximate deadline

What does not happen

  • — No free full audit
  • — No repository access required
  • — No credentials requested
  • — No secrets shared
  • — No budget promised without diagnosis

FAQ

Do you guarantee zero downtime?
No. I design for continuity and control. Feasible interruption levels depend on the system, data, and real constraints.
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