marcus@portfolio:~/career$ whoami --production

Software + Infrastructure + Operations

Marcus Vinicius

I build, integrate and deploy software systems that need to work in production.

Software Engineer | Backend & Full Stack

Backend, APIs, integrations and Full Stack applications with an infrastructure, deployment, monitoring and operations mindset.

Selected work

PROJECT // CASE DOCUMENTADO

ImplantaHub

SaaS platform for end-to-end management of implementations, tasks, risks, evidence and team communication.

Node.js · TypeScript · Fastify · React · PostgreSQL · Redis · Docker

PROJECT // CASE DOCUMENTADO

IntegraFlow

Multi-tenant iPaaS platform for creating, running and monitoring enterprise integrations.

Node.js · TypeScript · Next.js · PostgreSQL · Redis · BullMQ · MinIO

PROJECT // CASE DOCUMENTADO

LedgerGuard

SaaS platform for ledger, financial reconciliation and explainable fraud prevention.

Node.js · TypeScript · Next.js · PostgreSQL · Redis · BullMQ

Engineering profile →

Experience in context

Jul/2025 to May/2026

Implementation Analyst

Autopass S/A

Worked on implementation, configuration, validation, support and monitoring of enterprise systems for urban mobility and electronic fare collection, connecting operations, infrastructure, development, vendors and customers.

Implantação de Sistemas · Bilhetagem Eletrônica · ABT · SQL · PostgreSQL · Oracle Database · APIs REST · SFTP · Linux · Windows · Redes · AVL/GPS · Análise de Logs · Monitoramento

Feb/2024 to Jul/2025

Systems Analyst

Sindicato das Empresas de Transporte de Passageiros de Belém

Responsible for analysis, development, maintenance and support of systems used by the organization, as well as administration of servers, virtualized environments and technology infrastructure.

C# · Angular · Node.js · SQL · Linux · Windows Server · KVM · Proxmox · VMware · Redes · Virtualização · Suporte Técnico · Monitoramento · Segurança da Informação

Engineering profile →

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