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  • CEPEDI
  • Feira de Santana

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Achievement: YOLO

Achievements

Achievement: YOLO

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AphilK/README.md

Hi there, I'm João

Backend Developer · Real-Time & Industrial Data Systems

LinkedIn Email Published paper

I build backend services and data pipelines for systems where latency is a requirement rather than a detail. My background is in energy engineering, and that is where the interest came from: turning physical and mathematical models into software that has to keep running on a factory floor.

At CEPEDI I designed the Digital Shadow architecture — a Python API (REST and WebSocket, Clean Architecture) that streams telemetry from 20 industrial machines into a 3D discrete-event simulator, sustaining over 288,000 data points per day at sub-second end-to-end latency. The ingestion path runs from TLS-secured MQTT through Telegraf into InfluxDB, with API consumption and storage kept as independent, decoupled flows.

Tech Stack

Backend & APIs

Python, FastAPI, Postman WebSocket

Data & Storage

MySQL, Google Cloud InfluxDB BigQuery

Pipelines & Messaging

Apache Airflow MQTT Eclipse Mosquitto Telegraf

Infrastructure

Docker, Linux, Git, GitHub, Bash

Embedded

ESP32 FreeRTOS

Publications & Recognition

  • "Sustainable manufacturing digital shadows: integrating VR, AI, real-time data" — International Journal of Simulation Modelling, DOI 10.2507/IJSIMM25-3-766, 2026. Main author, peer-reviewed.
  • National software intellectual property registration — "Digital Shadow" toolbox.

GitHub stats

Let's Connect

Open to junior backend and software engineering roles — remote or Brazil-based.

Pinned Loading

  1. root-finder root-finder Public

    An Java algorithm to find the root of a given function using the bisection, secant, fixed-point iteration and newton-raphson methods.

    Java 1

  2. bank_terminal bank_terminal Public

    A simple console-based banking application written in Java that simulates basic banking operations like account creation, login, deposits, withdrawals, and balance checking.

    Java 1

  3. poly-integral-approx poly-integral-approx Public

    A Java console application that implements numerical methods for polynomial interpolation and integral approximation. Currently features Lagrange polynomial interpolation with planned support for t…

    Java 1

  4. fastapi-mqtt-db fastapi-mqtt-db Public

    Factory Pulse is a small, Docker-first factory telemetry stack. A Python simulator publishes station and production events over MQTT; FastAPI consumes those events and pushes a live operations dash…

    HTML 1