joao ricardo moreira

• Proposed and led an AI-powered synchronization service between Jira and Azure
  DevOps, ending the manual double-entry that let client tickets drift out of
  sync between the two systems. Ticket state, ownership and deadlines now stay
  consistent automatically, giving support and engineering a single reliable view
  of SLA exposure. Client SLA compliance went from 0% to roughly 50% and
  contin

Mr Pay is a Brazilian fintech operating payment processing and acquirer integrations.


• Built integration modules connecting the platform to financial acquirers and
  external payment gateways through secure REST APIs, applying resilience
  patterns (retry, circuit breaker, idempotency) to keep transaction flows
  reliable under partner instability.
• Led the adoption of Clean Architecture as th

IBRAPP delivers digital public services for Brazilian state governments.

Flagship project: national ID card (CIN) issuance system for the state of Maranhão.

Challenge: implement a unified citizen ID issuance flow compliant with the
technical specifications of SERPRO, the Federal Revenue Service (Receita Federal)
and the Public Prosecutor's Office — three independent federal systems, each with
it

Municipal government of Timon, Maranhão (population ~170,000).


• Developed custom Java applications to automate administrative processes across
  municipal departments, replacing paper forms and manual spreadsheets with
  auditable digital workflows.
• Owned maintenance and evolution of internal government systems, keeping them
  available to public servants across departments during business ho

Porto do Itaqui is one of Brazil's largest public deep-water ports.


• Built the port's entry registration system, controlling and auditing access of
  vehicles and personnel to a critical logistics facility.
• Developed backend services in Java and Spring, including REST API integrations
  with existing port systems.
• Implemented offline-capable functionality and access management so the system