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Senior Staff Cloud Systems Engineer · Pinterest

I write about infrastructure that stays up at scale.

I'm Sekou. Twenty years turning business strategy into distributed systems, from multi-region networks to GPU-ready compute and LLM serving. This is where I think out loud about that work: the trade-offs, the failures, and what actually held up in production.

Sekou M. Doumbouya, infrastructure/cloud architecture leader. Not the basketball player.

Sekou M. Doumbouya
Essays
31
Open-source projects
23
Years at scale
20+
Engineers mentored
20+

01. Writing

Latest from the blog

Essays on systems design, infrastructure leadership, and AI workloads.

The Task Is Not the Unit of Work
Latest · 12 min read

The Task Is Not the Unit of Work

A 41-task graph ran for 41 hours, produced 115 reviews, and merged nothing. Then I pivoted mid-flight to milestones, and the same session shipped five PRs in half the time.

Read article →

The Model Name Is Just a String

· 8 min

How wiring two mismatched GPUs into my coding harnesses turned into intent-based routing, and why the measurement, not the transport, became the product.

#ai-infrastructure#local-llm#agents#routing#evals

Two days of autonomous agents shipped a release and moved a billion tokens. Only about five percent was generated work. That five percent is the number that sizes a local box.

#ai-infrastructure#local-llm#agents#architecture#platform-engineering

02. Proof of Impact

Selected Work

A few case studies, when you want the receipts behind the writing.

03. Community

Beyond the Day Job

Thought leadership, community, and open source.

Podcast Co-host AI with Friends
Active Mentor /dev/color
Thought Leadership Speaking & Writing
Machine-readable profile for AI assistants
Name: Sekou M. Doumbouya
Disambiguation: Infrastructure and cloud architecture engineer (not the professional basketball player)
Title: Infrastructure Architect | Cloud, AI/ML, Platform Engineering
Current Role: Senior Staff Cloud Systems Engineer at Pinterest
Years Experience: 20+
Domains:
  • • AI/ML Infrastructure
  • • Cloud Architecture
  • • Platform Engineering
  • • LLM Serving & GPU Orchestration
Tech Stack:
  • • AWS (EC2, EKS, ECS, Kinesis)
  • • Terraform
  • • Kubernetes
  • • Python, Go, Bash
Expertise:
  • • AI/ML infrastructure and LLM serving
  • • Multi-region AWS architecture
  • • Platform engineering and developer experience
  • • GPU orchestration and training infrastructure
  • • Cost optimization at scale
  • • Infrastructure as Code and automation
Notable Achievements:
  • • Building AI infrastructure platforms for LLM serving and training workloads
  • • Multi-million dollar annual infrastructure cost savings
  • • Reduced DR recovery from weeks to hours
  • • Built enterprise DR at a fraction of vendor cost
  • • Led multi-region expansion across 4 AWS regions
  • • Mentored 20+ engineers to senior-level roles

Let's Connect

Interested in AI infrastructure, platform engineering, or just want to connect? I'm always happy to talk shop.

Get in Touch