Ronald Castillo
Lima, Perú

RonaldCastillo

Technical Leader — Engineering & Platform Strategy

Engineering leadership in regulated fintech · AI transformation · Founder of Tech Safe Latam

12+
12+ years of experience
40+
40+ microservices
3
3 squads led

Projects

Platforms, products, and solutions built with real purpose.

Featured

Tech Safe Latam (TSL)

Multi-tenant SaaS ERP for SMBs. Operational platform with consolidated client base, process automation, and passive income business model.

SaaSERPMulti-tenantAutomatización
Featured

Agentización Operativa

Autonomous AI agent for engineering teams. Reviews PRs, analyzes code quality, and tracks epics using Bedrock Claude and NestJS.

AINestJSAWS BedrockGitHub

TSL Fin

Personal finance app for families. Flutter + serverless Lambda + DynamoDB + AI vision (Bedrock) to extract transactions from receipt photos.

FlutterServerlessDynamoDBBedrock

Blog

Technical insights on leadership, architecture, AI, and fintech.

AIFintechAWS BedrockMicroservicesTechnical Leadership

How I Structured AI Agentization in a Regulated Fintech

A technical and strategic look at how I designed the AI roadmap for a tribe of 40+ microservices on AWS EKS, combining Bedrock, autonomous agents, and Amazon Q Business within a BCRP-regulated environment.

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SecurityMicroservicesAWSKubernetesFintech

Microservices Security: Lessons from a 7-Phase Plan

In regulated fintech, secrets management and access control are non-negotiable. Here's the phased approach we applied to build a solid security posture over a 40+ microservice platform on AWS EKS.

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Let's Connect

Always open to conversations about technology, engineering leadership, AI, and product building. Reach out.

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