IT Project Lead at Mercado Pago

Engineering systems
that scale.

Senior Software Engineer specializing in payment infrastructure, gateway integrations, and high-performance microservices. Leading fintech systems with Golang, Java, and Kotlin at continental scale across Latin America.

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Years in Software Engineering

Companies & Sectors

GitHub Repositories

Microservices Managed

Tech Stack

Tools & Technologies

The technologies I use daily to build reliable, scalable systems.

Golanglanguage

Javalanguage

Kotlinlanguage

TypeScriptlanguage

AWScloud

GCPcloud

Kubernetesinfra

Dockerinfra

Terraforminfra

PostgreSQLdata

Redisdata

DynamoDBdata

MongoDBdata

Spring Bootframework

Ginframework

Angularframework

gRPCprotocol

RESTprotocol

ISO 8583protocol

Datadogobservability

Grafanaobservability

Kibanaobservability

Prometheusobservability

New Relicobservability

BigQuerydata

Kafkadata

SQSdata

Microservicesarchitecture

Event-Drivenarchitecture

DDDarchitecture

CI/CDdevops

Gitdevops

Linuxdevops

Nginxdevops

Portfolio

Featured Projects

Selected work showcasing architecture decisions and real-world impact.

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BackendFintechArchitecture

Payment Gateway Integrations — Mercado Pago

Context: Mercado Pago processes millions of transactions daily across Latin America. The payment gateway integration layer needed to be highly reliable, scalable, and support multiple payment providers with low latency.

Solution: Developing and maintaining 42+ Golang microservices that integrate with external providers and acquirers, translating credit card transaction messaging into formats accepted by each provider — JSON, XML, ISO 8583, and positional TXT batch files via SFTP. Implementing observability with Datadog, New Relic, and BigQuery for real-time monitoring and analytics.

Impact

Processing millions of daily transactions across Latin America with high availability. Leading technical projects and architecture decisions for Mercado Pago's payment gateway infrastructure.

GolangGinAWSKubernetesDockerRedisDynamoDBDatadogNew RelicBigQueryNginx

FintechBackendArchitecture

Vehicle Financing Credit Platform — OMNI

Context: OMNI Banco & Financeira needed a robust credit analysis and loan processing system for vehicle financing, requiring complex business rules, risk assessment, and regulatory compliance.

Solution: Led the engineering team to build and evolve the vehicle financing credit platform using Java and Kotlin with Spring Boot. Drove architectural decisions for credit analysis workflows, loan processing pipelines, and integration with credit bureaus.

Impact

Delivered a reliable credit platform that streamlined vehicle financing operations. Established technical standards and mentored the development team.

JavaKotlinSpring BootAWSPostgreSQLDockerKubernetes

FintechBackend

AML/PLD Compliance System — C6 Bank

Context: C6 Bank, one of Brazil's fastest-growing digital banks, required robust Anti-Money Laundering (AML/PLD) systems to meet regulatory requirements and monitor suspicious financial activities.

Solution: Developed backend services for transaction monitoring, suspicious activity detection, and regulatory reporting using Kotlin and Spring Boot. Built compliance workflows that automated detection and reporting processes.

Impact

Strengthened C6 Bank's regulatory compliance posture with automated AML monitoring, reducing manual review workload and improving detection accuracy.

KotlinJavaSpring BootPostgreSQLAWSDocker

BackendArchitecture

Anti-Fraud Detection System — Mapfre Seguros

Context: Mapfre, a major insurance company, needed to detect and prevent fraudulent claims across multiple insurance products, requiring integration with diverse data sources and pattern recognition.

Solution: Built Java-based backend services for claims analysis and fraud prevention at IBM. Integrated multiple data sources for fraud pattern recognition and developed automated detection workflows.

Impact

Improved fraud detection capabilities for Mapfre's insurance operations, reducing fraudulent claims processing and strengthening the anti-fraud pipeline.

JavaSpring BootOracle SQLJenkinsDocker

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