IaCArquitectura CloudDevOps

Infrastructure as Code and Stress Testing for Foreign Trade

CloudFormation and AWS CDK templates for reproducible QA and Production environments, paired with Locust load testing scaling from 20 to 400 concurrent users that eliminated HTTP 502/504 errors.

Client: Public Agency for Foreign Trade and Transportation
Industry: Public Sector
Role: Cloud Architecture Consultant & Technical Mentor
Period: Jan 2023 — Jun 2025

Measured Impact

50%
Faster provisioning time: 400
Concurrent users supported: 24
ECS tasks under auto scaling: 0
HTTP 502/504 errors

Rol

Consultor de arquitectura cloud y soporte técnico para el equipo de desarrollo durante la adopción de servicios serverless en AWS.

Aportes

Estandaricé el aprovisionamiento de infraestructura mediante plantillas de AWS CloudFormation y AWS CDK para los ambientes de QA y Producción, reduciendo los tiempos de despliegue en un 50%. Además, validé la estabilidad del sistema mediante pruebas de carga con Locust simulando hasta 400 usuarios concurrentes, ajustando las políticas de escalado automático para evitar errores 502 y 504.

Architecture & Engineering Decisions

Advisory on logical diagrams for high-scale serverless architectures: Lambda, API Gateway, SQS, SNS, Aurora PostgreSQL, and DynamoDB.
CloudFormation and AWS CDK templates orchestrating VPC networking, Security Groups, IAM roles, ACM, Secrets Manager, CloudFront, custom domain API Gateway, and databases.
Locust load testing scenarios simulating ramping stages from 20 to 400 concurrent users.
Target Tracking Auto Scaling tuning in ECS (up to 24 concurrent tasks) driven by CloudWatch and ALB traffic metrics.
Accurate cloud cost projections using AWS Pricing Calculator.

Stack

AWS CloudFormation
AWS CDK
AWS Lambda
API Gateway
Amazon SQS
Amazon SNS
Aurora PostgreSQL
DynamoDB
Amazon ECS
Locust
CloudWatch