Personal portfolio · 2026

AllanPereira

Software Engineer

AI, automation, and infrastructure.

I build software and AI systems for real-world operations. My corporate IT background connects code, networks, data, and people.

São José dos Pinhais, PR · Brazil

Things I have built

Software that made it past the idea stage.

Original products and systems built to solve real operational problems.

01

Applied AI

LanChat

A LanFuture ecosystem product

A multi-tenant WhatsApp customer-service platform. AI interprets context and intent inside commercial workflows, with audio, CRM, and human control.

My role

End-to-end product and engineering: backend, conversational engine, interface, infrastructure, and operations.

  • Conversation context and state
  • Transcription and voice replies
  • Human handoff and integrations
TypeScriptNext.jsNode.jsPostgreSQLOpenAIWhisper
02

Product ecosystem

LanFuture

lanfuture.dev

The public home for my software, automation, and AI products and services — including LanChat and Vulcan.

My role

Concept, identity, product experience, development, and ongoing evolution.

  • Original products and projects
  • Custom software and automation
  • Strategy, engineering, and operations
ReactViteMotionThree.jsVercel

Other builds

An index of what else took shape.

Products and systems I built across operations, AI, automation, infrastructure, and hardware.

01VulcanOperational intelligenceNext.js · FastAPI · PostgreSQL · Go

Event ingestion, traceable metrics, and Windows/Linux agents in a multi-tenant platform.

02Systems HubInternal platformPython · JavaScript · PostgreSQL · Microsoft 365

A corporate systems hub with centralized authentication, per-application permissions, and a unified access experience.

03Purchasing PortalERP and operationsPython · PostgreSQL · KMM · OCR

Requests, quotations, suppliers, orders, and inventory in a traceable workflow integrated with KMM.

04License Plate MonitoringComputer visionPython · LPR · OCR · PostgreSQL

License-plate lookup and monitoring with camera ingestion, secondary OCR, fleet synchronization, and notifications.

05Weighbridge SystemRoad operationsPython · PostgreSQL · Web · Real-time

Road-weighing software with receipts, operational history, and live indicator tracking.

06Confirmation WorkflowOperational workflowPython · Web · Evidence · Automation

A controlled workflow for operational confirmations, evidence capture, and step-by-step tracking.

07Operational MonitoringOperations and integrationsPython · APIs · Alerts · Observability

Monitoring for integrations and operational routines, with alerts and context for handling incidents.

08SASCar AutomationFleet automationPython · APIs · Automation · Fleet

Automated routines and integrated access to SASCar resources within the operational environment.

09Boarding Authorization (AE)Fleet automationPython · Browser Automation · Evidence

Automated boarding-authorization generation with centralized execution and process evidence.

10AI Operations AssistantApplied AIAI · Operational data · Reports

An evolving interface for querying operations and assisting report creation from authorized data.

11IT Operations PortalCorporate ITPython · PowerShell · AD · Microsoft 365 · GLPI

A portal for users, device inventory, IT stock, printers, documentation, logs, and administrative automation.

12Enterprise AutomationERP and browser automationPython · Oracle · Selenium · Docker

Tooling around KMM/Oracle and browser systems, with reconciliation, checkpoints, and execution evidence.

13WhatsApp + ERP DataAI integrationTypeScript · WhatsApp · Oracle · PostgreSQL

AI conversations connected to authorized operational data queried in real time.

14Refrigeration MonitorOperational AIPython · FastAPI · Supabase · GPT

Telemetry and alarms converted into deterministic metrics, controlled AI explanations, and notifications.

15Selenoid / Browser Automation GridAutomationSelenoid · Selenium · Chrome · Docker · VNC

Centralized runs in isolated Chrome sessions with VNC, video, and per-operation evidence.

16Condominium IntegrationMobile productExpo · React Native · Supabase

A multi-condominium app with interactive maps, incident reports, documents, and role-based access.

17Automatic Plant WateringElectronics and IoTESP32 · C++ · Sensors · MQTT

An ESP32-based automatic irrigation prototype with sensor input and remote MQTT communication.

18Peaceful CityCivic technologyReact Native · Maps · Supabase

A map-based app for reports, alerts, and separate citizen and local-government workflows.

19Breathalyzer WorkflowDesktop and hardwarePython · Serial · Windows · PyInstaller

Resilient automation between a breathalyzer, legacy software, and a thermal printer, with dynamic port detection.

There is more behind these lines.

Want to understand how one of these systems was designed or see other work? Get in touch.

Discover more on WhatsApp

Professional experience

Code with operational context.

Software and corporate IT work spanning systems, infrastructure, and operational continuity.

2024 — Present

IT Analyst · Contractor

PCNet

  • Support PCNet clients, including dedicated assignments with direct responsibility for their IT environments.
  • Infrastructure, networks, servers, security, users, and incident analysis.
  • Automation, integrations, and internal tools for logistics operations and corporate environments.

2021 — 2024

Apprentice → IT Analyst

Cotrasa Scania

  • Progressed through four roles from apprentice to analyst.
  • Supported Senior ERP implementation, testing, and integrations.
  • Built automations, worked with operational data, and trained users.

Project experience

Three disciplines that consistently shape what I design, build, and operate.

Automation

Repetitive processes turned into executable, observable, and recoverable workflows.

  • ERP, Oracle, and browser automation
  • Selenoid, queues, and remote execution
  • Integrations, checkpoints, evidence, and alerts

Software Development

Complete products and tools spanning interfaces, business logic, and data.

  • Web and mobile applications, APIs, and services
  • Conversational AI, OCR, and computer vision
  • Multi-tenant systems and internal portals

Infrastructure

Environments designed to remain available, secure, and straightforward to maintain.

  • Linux, Windows Server, Docker, and deployment
  • Active Directory, Microsoft 365, networks, and VPN
  • Monitoring, backup, and operational continuity

Capabilities

What supports my work.

Core capabilities first; tools provide the supporting detail.

Core

Software Engineering

Complete applications, APIs, services, and interfaces backed by types and tests.

TypeScriptReactNext.jsNode.jsFastAPIKotlin

AI Systems

Context, agents, classification, extraction, voice, and model control.

OpenAILLMsWhisperPythonComputer vision

Automation

Integrations and workflows connecting data, systems, and decisions.

REST APIsWebhooksSeleniumQueuesDocker

Technical foundation

Infrastructure & Networking

Networks, identity, security, servers, and end-to-end troubleshooting.

LinuxWindows ServerActive DirectoryFortiGateMikroTikVPN

Enterprise Systems

Corporate environments, ERP, Microsoft 365, and advanced support.

KMMSenior ERPOracleMicrosoft 365Power BI

Data & Integration

Persistence, isolation, queries, and operational integrations.

PostgreSQLPrismaSupabase / RLSSQL

Education

Education and language.

Degree

Software Engineering · in progress

Course

Computational Neuroscience · in progress

Technical education

Systems Development Technician

Language

Intermediate English · actively improving

Contact

Let's talk.

Projects, opportunities, and technical problems that require both software and operational thinking.