Vinicius Duarte Mendes Nepomuceno

Software Developer @Mercado Livre

São Paulo, BR

Backend Go developer at Mercado Pago working in acquiring area, processing Visa payments. Responsibilities- Design and maintain scalable and fault-tolerant microservices using Golang and Java, AWS, andevent-driven architecture, enabling the processing of millions of Visa transactions daily with highavailability across Brazil, Chile, Argentina and Mexico- Develop infrastructure and production environments autonomously using Fury environment (internalsystem), ensuring each service is provisioned and deployed independently by the developer responsiblefor its delivery- Created a retry queue system using BigQueue, allowing the reprocessing of failed internal events andtransactions while avoiding data loss during outages and improving platform resilience- Use AI tools daily—including Cursor, GitHub Copilot, and MeliGPT—to generate code, refactorlegacy logic, write unit tests, analyze requirements, and create documentation, significantly boostingdevelopment speed and consistency- Led an internal AI knowledge-sharing initiative by organizing weekly sessions to showcase AI usecases and techniques, fostering adoption within the team and improving productivity across squads.Technologies: Go (Golang), AWS: Step Functions, DynamoDB, Terraform, Jira, Scrum.

Centro Universitário Senac

Information System

FIAP

Software Architecture