Insights & Strategy

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Technology consulting, AI implementation and business operations — no hype.

GovernanceLiderazgoEscalabilidad

The Tech Governance Model That Survives Growth

How to structure technical decisions when it's no longer possible for one person to review everything.

Oct 22, 2025·6 min read·Fidel Castillejos VarelaRead →

EquiposDesarrolloOutsourcing

Hiring an External Dev Team Without Losing Control

Offshore, nearshore, agencies — the model matters less than the alignment rituals you implement.

Sep 10, 2025·7 min read·Fidel Castillejos VarelaRead →

PLGGrowthOperaciones

Product-Led Growth Needs Operations-Led Infrastructure

PLG fails when the operational backend can't support the growth the product generates.

Aug 25, 2025·5 min read·Fidel Castillejos VarelaRead →

CloudAWSInfraestructura

Cloud Migration: The Hidden Costs Nobody Tells You About

Egress fees, duplicate licenses, overprovisioning — the cloud is expensive when not planned properly.

Jul 18, 2025·6 min read·Fidel Castillejos VarelaRead →

Due DiligenceInversiónTech Audit

Tech Due Diligence: What to Review Before Closing an Investment

A poorly done tech review can cost you millions in post-close surprises. Here's the checklist.

Jun 2, 2025·8 min read·Fidel Castillejos VarelaRead →

SeguridadPYMEInfraestructura

Cybersecurity for SMBs: Real Protection Without an Enterprise Budget

80% of attacks on small businesses are prevented with controls that cost less than $500 a year.

May 14, 2025·5 min read·Fidel Castillejos VarelaRead →

DataStartupsAnalytics

The Minimum Viable Data Stack for Series A Startups

Before hiring a Head of Data, you need these four tools connected correctly.

Apr 20, 2025·6 min read·Fidel Castillejos VarelaRead →

ERPOperacionesTecnología

How to Choose Your First ERP Without Going Broke

SAP, Odoo, NetSuite — the right choice depends on your stage, not the vendor's size.

Mar 5, 2025·7 min read·Fidel Castillejos VarelaRead →

AutomatizaciónNo-CodeOps

No-Code Automation: What Actually Works and What's a Trap

Make, Zapier, n8n — when to use them seriously and when they're just tech debt disguised as speed.

Feb 10, 2025·5 min read·Fidel Castillejos VarelaRead →

CTOLiderazgoStartup

CTO as a Service: When It Makes Sense and When It's a Mistake

The fractional model is everywhere, but it's not for everyone. An honest guide on when to hire an external CTO — and when you need full-time.

Feb 10, 2025·5 min read·Fidel Castillejos VarelaRead →

FundraisingSaaSCFO

The Fundraising Tech Stack VCs Won't Tell You About

Which tools to use to prepare your data room, model projections, and manage your investor pipeline without a full-time CFO.

Jan 28, 2025·8 min read·Fidel Castillejos VarelaRead →

IAOperacionesROI

AI in Operations: From Hype to Real Profitability

How to implement AI in core processes without destroying cash flow or teams.

Jan 15, 2025·6 min read·Fidel Castillejos VarelaRead →