Lucas G. Oliveira

Senior Software Engineer

// Focused on backend, cloud, and distributed systems, building reliable and scalable solutions from design to production.

Belo Horizonte, Brazil

Stack

C# / .NETGoJavaNode.jsTypeScript

ReactAngular

AWSGCPAzureKubernetesDockerTerraformServerless

PostgreSQLMySQLSQL ServerMongoDBElasticsearchRabbitMQSQS / SNS

MicroservicesDistributed SystemsEvent-Driven ArchHexagonal ArchClean ArchCI/CDObservability

Senior Software Engineer

May 2025 — Present

▸ Platform Services squad on Fury, MercadoLibre's internal PaaS supporting dozens of product squads
▸ Developed the Business Configurations Service (BCS) — control plane in Java, frontend in React, SDKs in Java, Go & Node.js
▸ Systems processing millions of requests/day — focus on high availability, low latency and high throughput
▸ Multi-cloud environment (AWS & GCP): observability, load testing, response-time optimization
▸ Team rituals, technical onboarding and mentorship of junior engineers
▸ Collaboration on architecture initiatives, CI/CD pipeline automation and developer experience improvements

Senior Software Engineer

Jun 2024 — May 2025

▸ Offshore investment funds area — technical lead for a squad of 14 developers
▸ Owned technical specs, architecture diagrams, hiring interviews and onboarding
▸ Collaborated with business teams on strategic pipeline definition and client approvals
▸ Incident analysis and risk assessment for platform stability and efficiency
▸ Stack: C# .NET, SQL Server, Microservices, Rancher Kubernetes, RabbitMQ, AWS

Software Engineer

Dec 2022 — Jun 2024

Software Engineer → Jr Software Engineer

Jan 2022 — Dec 2022

▸ IQ startup — new features with continuous scalability and performance improvements
▸ CI/CD pipeline setup, monitoring dashboards, and AWS infrastructure configuration
▸ Stack: Node.js, TypeScript, JavaScript, AWS, Serverless Architecture, Terraform

Junior Software Engineer

Aug 2021 — Jan 2022

▸ Financial module of the RM product — requirements analysis, coding, testing, debugging and documentation
▸ Performance optimization and information security practices

Software Engineer Intern

Jan 2021 — Aug 2021

▸ Chatbot development using the Blip builder and intermediate APIs for server communication
▸ Go Global squad — daily interaction with international clients in English

Software Engineer Intern

Jan 2020 — Jan 2021

▸ Analysis and identification of improvement areas in the company's ERP
▸ Development, implementation, and update of features according to internal and client demands