About · Andrés Céspedes Morales

I build systems that earn trust — and explain them in plain language.

I'm a software architect working across cloud, security & AI. For over a decade I've designed systems that are reliable, that scale, and that hold up against real attackers — then I help the people around me actually understand how they work.

  • 0years building
  • AWS · Azure · GCPmulti-cloud
  • Speaker& mentor
Andrés Céspedes Morales Secure by design AI, in plain English

My story

How I got here.

I started where a lot of builders do — curious, a little stubborn, and happiest with my hands on the keyboard. I shipped things, broke things, and learned the difference between code that runs and code you can trust at 2 a.m.

Over the years that curiosity pulled me deeper: into the cloud, where systems have to scale without falling over; into security, where the stakes are real and the adversaries are too; and into AI, where the hype is loud and the useful part is quiet. Along the way I realized the hardest problem usually isn't the technology — it's making it understandable so a team can own it.

So that's the work now: architect systems that earn trust, and translate the hard parts into plain language — through advisory work, talks, mentoring, and a weekly newsletter.

“Code with integrity. Build systems that earn trust. And always leave things better than you found them.”
  1. The foundation

    From developer to engineer

    Learned to build for real users — and that shipping is just the start. Reliability, testing, and the habits that keep systems alive.

  2. Going to scale

    Into the cloud

    Designed and ran platforms across AWS, Azure & GCP — architecture that scales under pressure instead of buckling under it.

  3. Raising the stakes

    Securing what matters

    Threat modeling, zero-trust design, and hardening systems against the people who'd love to break them. Defending data and the users behind it.

  4. Now

    AI, advisory & teaching

    Pragmatic AI that ships, security & cloud advisory for teams, and speaking, mentoring & writing — because the next generation deserves it.

Where I go deep

Three things I do well.

Cloud architecture

Multi-cloud systems designed to scale and stay up — pragmatic platforms your team can actually run, not slideware.

Security & trust

Threat modeling, zero-trust design, and secure-by-default systems — defending the data and the people who depend on it.

AI, in plain English

AI/LLM strategy that ships — separating the genuinely useful from the hype, and explaining it so everyone can follow.

What I believe

The principles behind the work.

01

Code with integrity

Do it right when no one's looking. Shortcuts compound into the incidents you'll be cleaning up at 2 a.m.

02

Systems that earn trust

Trust is a feature. Security, reliability, and clarity aren't add-ons — they're the point.

03

Leave it better

Every codebase, team, and conversation should be a little stronger after I've been there than before.

04

Teach the next one

No gatekeeping. I explain the hard parts in plain language because the next generation deserves a head start.

The toolbox

A decade across the stack that matters now.

Cloud ArchitectureZero TrustAWSAzureGCPThreat ModelingDevSecOpsKubernetesIdentity & IAMLLMs & GenAIAI StrategyIncident ResponseSecure SDLCPlatform Engineering

Beyond building

I speak, teach & mentor.

The best part of this work is watching it click for someone else. I give talks on cloud, security & AI, mentor engineers leveling up their craft, and write a weekly newsletter that keeps the jargon out.

  • Talks & workshopsconferences & teams
  • Mentoringengineers & career-changers
  • Weeklythe newsletter

The newsletter

Get sharper on security & AI — every week.

One short, practical email. Real-world security, cloud, and AI — no fluff, no spam. Unsubscribe anytime.

Join and get the free Security Starter Kit — a no-nonsense checklist to lock down your digital life.

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