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​⚙️ Currently engineering end-to-end data solutions.
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​⚙️ Currently engineering end-to-end data solutions.

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jeffthedeveloper/README.md

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About Me

I'm a Software Engineer specializing in Python, focused on building robust data solutions and operationalizing Machine Learning models (MLOps). Experienced in ETL pipelines, creating RESTful APIs with FastAPI, and implementing generative AI systems using LangChain and LLMs.

I enjoy solving complex problems in cloud environments (AWS/GCP) while ensuring scalability and efficiency. My work spans multiple disciplines, from fullstack web development to AI-driven data analytics.


Featured Projects

ChatGPT logo End-to-End MLOps Pipeline

A production-ready MLOps pipeline serving a GPT-2 model via a RESTful API (Flask), fully containerized with Docker. Code quality and integrity are ensured via CI/CD with GitHub Actions and unit tests (Pytest).

View Code »

Full-Stack Management Dashboard

An interactive task management dashboard built with React (TypeScript) frontend and a robust Python backend. Fully responsive and designed for real-time operations management, demonstrating end-to-end system architecture.

View Code »

Conversational AI Assistant

An AI assistant integrating text generation with GPT, context analysis, and audio output via Text-to-Speech (TTS). The project uses modern NLP techniques for interactive, functional conversation.

View Code »

Web Game "Mata Mosquito"

A web-based game in pure JavaScript, evolved from a study project to a responsive application with multiple difficulty levels, sound effects, and a CI/CD pipeline via GitHub Actions to ensure quality and integrity.

View Code »

Finance Dashboard V2

A full-featured finance management dashboard, showcasing real-time analytics, interactive charts, and data integration from multiple sources. Built with React + Python for a complete fullstack experience.

View Code »

Scratch logo Scratch Game "Fish Hunt" (Windows & Linux)

A cross-platform Scratch-based game for Windows and Linux, demonstrating gamification and interactive design. A multidisciplinary project combining programming logic, design, and user interaction.

View Code »

IBM logo
IBM Data Science Capstone Project

A professional certification project demonstrating an end-to-end data science workflow: from data extraction with Python & SQL to analysis, modeling, and machine learning deployment. This project validates my IBM Data Science Professional Certification.

View Code »


Categoria Tecnologias
Python & Core Python, Docker, Git, CI/CD (GitHub Actions), Pytest, APIs REST
IA & Machine Learning TensorFlow, PyTorch, Transformers, LangChain, Scikit-learn, Pandas, NLP
Backend & Bases de Dados FastAPI, Flask, SQL (PostgreSQL), NoSQL (MongoDB), Node.js
Cloud & Big Data AWS, GCP, Spark, Apache Airflow
Front-End & Visualização JavaScript, React, TypeScript, HTML5, CSS3, Chart.js, Power BI

Professional Journey & Background

My career combines a strong foundation in Software Engineering with a perspective in Finance. This enables me to build robust AI and data solutions aligned with strategic objectives. I transform complex data into practical, scalable applications that generate real value.

Pillar Description
Current Focus Python, MLOps, and Generative AI. Hands-on experience in end-to-end pipelines from model creation to deployment with APIs and containers.
Business Insight Leveraging Finance and Data Analysis background to build dashboards and BI solutions translating technical metrics into actionable insights.
Strong Foundations Over a decade in technology, starting with Web Development and Systems Analysis, providing resilient and versatile engineering foundations.
Lifelong Learning Continuous learning (lifelong learning) to innovate and combine knowledge from multiple fields for creative, efficient solutions.

Education & Certifications

Program / Degree Institution & Period Focus
Postgraduate in Big Data Univitória 2025-2026 (Ongoing) Big Data, Hadoop, Spark, AI & Machine Learning
Postgraduate in Software Engineering Faculdade Focus 2023 Agile Methods, IT Governance, Systems Analysis
Data Analysis & Systems UNOPAR 2022 SQL, Data Modeling & Analysis
Category Details
Official IBM Certifications • Data Science Professional Certificate
• Linux Commands and Shell
Languages • Portuguese (Native)
• English (Fluent)
• Spanish (Fluent)

Professional Highlights

Focus Area Details
High-Impact Python & AI Specialist Processing Performance: 1TB data processed in <1 hour using PySpark.
Automation Efficiency: Scripts 40% faster in Bash/Python.
AI Model Accuracy: 90% accuracy in NLP/CV models; 30% cost reduction via automation.
Tool Mastery: Proficient in 50+ tools: AWS, Docker, TensorFlow, Tesseract OCR.
Recognition "IBM-certified professionals in the Top 5% deliver 15% infrastructure cost savings on average."
Sources: Stack Overflow 2023, IEEE, Linux Foundation

GitHub Stats

  • Most Used Languages (Data Science Focus)

Top Languages in Data Science

  • Most Used Languages (Fullstack Focus)

Top Languages in Fullstack Projects

Histórico de Contribuições de jeffthedeveloper



Chart Icon Productivity Philosophy: Commits vs. Lines of Code

Based on insights from the GitClear study (2020-2024), which analyzed 878,592 developer-years, my productivity approach focuses on commit frequency as a more stable and reliable indicator than lines of code. Commits reflect a true measure of activity and consistent progress.

With 889 contributions in the last year, my profile aligns with high-performing developers, demonstrating a steady acceleration toward the Top 30% benchmark (1,000+ commits/year).

Productivity Benchmarks (Commits/Year)

The global productivity spectrum reveals the following distribution:

Percentile Commits per Year Activity Level
Top 1% 4,307 Elite
Top 10% 1,647 High Performance
Median 417 Active Developer
Below Average 130 Occasional

The Senior Developer Profile (Top 30%)

Professionals who exceed 1,000 commits annually exhibit distinct habits and metrics:

  • Target Icon Median Commits: 1,563/year (~6.5 per workday).
  • Calendar Icon Active Days: Between 200-250 days per year.
  • Lightbulb Icon AI Impact: Tools like Copilot are increasing the volume of changes (Diff Delta) per commit, optimizing workflows rather than just inflating commit counts.

This philosophy guides my daily work, focusing on consistent and measurable value delivery.


Connect with Me

Kaggle HackerRank CodePen Instagram YouTube

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Support

PayPal Support


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  1. Applied-Data-Science-Capstone-End-to-End-Analysis-with-Python-SQL-and-Machine-Learning Applied-Data-Science-Capstone-End-to-End-Analysis-with-Python-SQL-and-Machine-Learning Public

    🎓 Capstone IBM Data Science: Análise ponta a ponta com Python, SQL & ML em dados de finanças, mercado imobiliário e aeroespacial. 🎓 IBM Data Science Capstone: End-to-end analysis with Python, SQL &…

    Jupyter Notebook

  2. data-science-divulgation data-science-divulgation Public

    compartilha cursos, vagas e projetos práticos relacionados à ciência de dados no Brasil, promovendo o desenvolvimento e a colaboração na área.

  3. Linux-Journey-IBM Linux-Journey-IBM Public

    Certificação IBM de Linux com hands-on em comandos essenciais, shell scripting e automação. Inclui projetos reais, cheatsheets e materiais do curso.

    Shell

  4. Python-Weekend-Projects Python-Weekend-Projects Public

    Python projects for weekend-focused learning: data analysis (COVID-19), machine learning (tweet emotion), ETL (Spotify), API development, and big data processing.

    Jupyter Notebook

  5. Gemma-Kaggle-Solutions Gemma-Kaggle-Solutions Public

    This repository will contains these documentations, solutions scripts and examples with the most general kaggle problems solutions forEste repositório conterá documentação | Scripts de solução e ex…

    Python