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Youre Pena

Youre Pena

Polyglot dev with 10+ years of experience, obsessed with scalable systems, clean code, and good coffee. Sharing thoughts and experiments from the wild world of software.

youre-pena

Stay sharp on Tech, Startup, and AI

One 5-minute audio pill every morning. Simple language, real context.

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Stop Tolerating Friction: Developer Experience is Now a Core Business Metric

Engineering Culture

Stop Tolerating Friction: Developer Experience is Now a Core Business Metric

Feb 23, 2026 6 min read paid

Netflix's Trillion-Edge Graph Isn't a Database, It's an Abstraction Layer

Data Engineering

Netflix's Trillion-Edge Graph Isn't a Database, It's an Abstraction Layer

Feb 22, 2026 7 min read paid

Your WAF is a Bottleneck. The Kernel is Your New Firewall.

Your WAF is a Bottleneck. The Kernel is Your New Firewall.

Feb 20, 2026 4 min read paid

For Real-Time AI, Your Data Contract Is a Liveness Probe, Not a Schema

AI Data Architecture

For Real-Time AI, Your Data Contract Is a Liveness Probe, Not a Schema

Feb 19, 2026 4 min read paid

WhatsApp is using Rust to eliminate entire classes of security bugs

WhatsApp is using Rust to eliminate entire classes of security bugs

Feb 18, 2026 4 min read paid

Forget Distributed Tracing, AI Requires Chain-of-Thought Tracing

AI Observability & Performance

Forget Distributed Tracing, AI Requires Chain-of-Thought Tracing

Feb 17, 2026 4 min read paid

How Netflix Queries Its Infrastructure Graph with Plain English

AI Developer Tools & Modernization

How Netflix Queries Its Infrastructure Graph with Plain English

Feb 16, 2026 4 min read paid

Package Registries Are Becoming Active Security Scanners

Package Registries Are Becoming Active Security Scanners

Feb 13, 2026 4 min read paid

Stop Arguing About Delta vs. Iceberg. The Format War is Over.

Data Engineering

Stop Arguing About Delta vs. Iceberg. The Format War is Over.

Feb 12, 2026 4 min read paid

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