Hi, I'm Piero

Building things on the cloud,
mostly serverless.

Infrastructure engineer tinkering with AWS, Terraform, and whatever else makes systems simpler. This site is a log of those experiments.

Apps

Computing Sunlight: The NOAA Solar Algorithm
Active

How a handful of Fourier coefficients can tell you exactly when the sun rises anywhere on Earth — from fractional year to UTC timestamp in 50 lines of Swift.
Motoskies
Active

Know the sky before you ride

Recent projects

The Architecture of Not Waiting

How Lumcast eliminates Lambda cold starts from the user-facing path by pushing every expensive operation into an async pipeline — and why that one decision shapes everything else.

AWSServerlessArchitectureAPI GatewayDynamoDB
The Trigger Chain: From DynamoDB Row to Running Pipeline

How a single DynamoDB write cascades through Streams, EventBridge Pipe, SQS, and a consumer Lambda to start a Step Functions execution — and the subtle data normalization problem hiding inside.

AWSDynamoDB StreamsEventBridgeSQSServerless

PPL · Teoria

Materiale di Studio

17 guide interattive con widget, simulatori e quiz. Aerodinamica, performance, navigazione e diritto aeronautico.

Aerodinamica ×10 Performance ×3 Navigazione ×1 Diritto Aeronautico ×3

Sfoglia tutte le guide →