Gilmar Vitor Manoel da Silva

Senior software engineer with 19+ years designing, building and running systems in production. I own the full cycle — architecture, backend, integrations, cloud infrastructure, deployment, security and observability — across long-lived corporate systems and regulated sectors, including modernising legacy codebases without interrupting operations. I treat applied AI as an engineering component, with evaluation, tests and explicit limits.

• 19+ years of experience
• 100+ projects delivered
• 10+ industries served
• End to end problem to operations

• Software architecture and distributed systems
• Full-cycle engineering: from problem to operations
• Backend, APIs and systems integration
• Cloud, infrastructure as code and CI/CD
• Security, reliability and observability
• Legacy modernisation and applied AI

Projects and contexts are presented anonymously due to contractual confidentiality.

• Multi-tenant platforms SaaS · ERP/CRM

  • Multi-tenant management for regulated sectors, with integrated billing
  • APIs and end-to-end integrations with third-party systems

  Laravel · Multi-tenant · APIs

• Operational identity and traceability Mobility · Field operations

  • Integrated platform built from the ground up: API, web operations centre and mobile apps
  • On-device authentication, geolocation, checks, real-time events and auditability

  Digital identity · Mobile · Real time · Audit

• Live streaming at scale Platforms · Real time

  • Live broadcasts to thousands of concurrent viewers
  • Real-time chat, polls and assessments over WebSockets

  WebSockets · Realtime · Python

• Industrial telemetry IoT · Industry

  • Field data collection and telemetry over LoRaWAN and MQTT
  • PLC and Modbus integration with real-time operations dashboards

  LoRaWAN · MQTT · Modbus

• Ingestion and RAG AI · Documents

  • Document ingestion and structuring pipelines into a vector store
  • Semantic search with embeddings for reliable answers

  RAG · Embeddings · Vector DB

• AI agents for digital operations AI · Automation

  • Agent architecture to drive web and desktop systems with no API available
  • Flow orchestration with rules, human approval and traceability

  AI agents · Visual automation · Orchestration · Auditability

Architecture and backend

Software architecture, distributed systems, Python, PHP, TypeScript/Node.js, FastAPI and Laravel

Cloud and operations

AWS, Terraform, Docker, Kubernetes, Linux and CI/CD

Data and integration

PostgreSQL, Redis, messaging, APIs, events and WebSockets

Applied AI

RAG, agents, embeddings, evaluation, guardrails and LLM observability

Industry

MQTT, LoRaWAN, Modbus, PLC/HMI and Node-RED

Web and mobile

React, Vue and Flutter

Portuguese — native · English — technical reading & writing