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Software Engineer
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Software Engineer
273 followers · 336 following

Achievements

Achievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Galaxy BrainAchievement: YOLOAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Galaxy BrainAchievement: YOLOAchievement: Arctic Code Vault Contributor

Highlights

Organizations

@IFMA-Caxias @CDL-Caxias

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BulletSentence/README.md

Leonardo Almeida de Araujo

Software Engineer · Backend, Cloud & Application Security
Maranhão, Brazil

LinkedIn GitLab Portfolio X

About

Software Engineer at Credifit, where I build and maintain financial and operational systems in a regulated credit environment — payment flows, partner integrations and service reliability.

My focus areas are backend engineering, data modeling and application security. I care about systems that are observable, well-tested and safe to change.

  • B.Sc. in Computer Science — IFMA, Caxias
  • Postgraduate in Artificial Intelligence — Universidade Federal de Viçosa
  • Particularly interested in application security, data protection and secure API design
  • Public and experimental work lives here on GitHub; client and private work lives on GitLab

Tech Stack

Languages

Frameworks & Runtimes

Infrastructure & Observability

Testing & Security

Selected Projects

Project Year Description Stack
image-ai-tags 2026 Web tool that inspects an image and strips AI provenance metadata — C2PA / Content Credentials manifests, XMP/IPTC DigitalSourceType, and EXIF creator tags. Includes an optional pixel re-encoding pass, benchmarked against robust frequency-domain watermarks. Python · Flask · ExifTool · Pillow
TicketIF-SGRU 2019–2022 Management system for a university restaurant, built as an undergraduate research project. Handles meal requests, student approval workflows and reporting. Java
EFI-Ryzen-IOS-Dev 2022 EFI configuration for AMD-based systems running iOS and Android development toolchains. OpenCore
Code-Friend 2020–2022 Conversational AI companion designed to support users dealing with anxiety and low mood through guided dialogue. Dart · Flutter
Jade-Player-IA 2020–2021 Autonomous multi-agent system built on the JADE framework that plays tic-tac-toe using intelligent agent negotiation. Java · JADE
Image-analysis-OpenCV 2020 Video processing pipeline for frame editing, rendering and automated frame extraction. Python 3 · OpenCV
Doom-Fire-JAVA 2020 Implementation of the classic DOOM fire pixel-scattering algorithm. Java 11 · JavaFX

Contact

Open to conversations about backend architecture, application security and AI-assisted engineering.

📫 LinkedIn · Portfolio · GitLab

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  1. TicketIF-SGRU TicketIF-SGRU Public

    Research project started during my graduation in Computer Science, the application is a system for managing the University Restaurant, generating reports and approving students in a list of request…

    Java 14 1

  2. Code-Friend Code-Friend Public

    AI as a virtual chat friend, which will advise the user during recurring problems of the current world situation: Anxiety, depression, and during the conversations between the user and the APP, he …

    Dart 4

  3. Image-analysis-OpenCV Image-analysis-OpenCV Public

    Image analysis in Python3 using OpenCV to edit and render a video, and create screenshots from some frames.

    Python 2

  4. Doom-Fire-JAVA Doom-Fire-JAVA Public

    Pixel scattering algorithm to generate Doom's fire made with JAVA11 and JAVAFX

    Java 10

  5. EFI-Ryzen-IOS-Dev EFI-Ryzen-IOS-Dev Public

    EFI to create an AMD-based Hackintosh for use with IOS/Android development tools...

    6

  6. Jade-Player-IA Jade-Player-IA Public

    Sistema multiagente autonomo baseado em Jade desenvolvido para jogar uma partida de jogo da velha de forma inteligente

    Java 7