Howdy Logo
Image of Luiz A.

Luiz A.
Data Analyst

Sql
Python
Bio

A data scientist with expertise in Process Mining and a recent master's degree obtained through the BDMA (Erasmus Mundus) program in Europe, selected among the top 3% of global candidates. With extensive experience in projects incorporating machine learning, data engineering, data visualization, and recommendation systems, proficiency is demonstrated using R, Python, SQL, Spark, D3.js, and Tableau. Additionally, skills in web and Android development have been honed through various project involvements. Engages in writing data science and machine learning tutorials in a personal blog during free time.

  • Data Scientist
    1/1/2023 - 8/1/2023

    Developed expertise in designing deep learning models to identify similarities between patients using Python and TensorFlow. Leveraged advanced neural network architectures and optimization techniques to improve model accuracy and performance. Conducted extensive data preprocessing and feature engineering to enhance model efficacy. Employed TensorFlow for model training, evaluation, and deployment, ensuring robust and scalable solutions for patient similarity identification.

  • Data Analyst
    1/1/2020 - 12/1/2021

    Excelled in data mining utilizing Python and R. Successfully created interactive dashboards and applications using QLik Sense. Developed robust software applications by employing Angular for frontend development and Java for backend processes.

  • Data Scientist
    1/1/2019 - 12/1/2020

    Developed proficiency in managing and creating ETL processes utilizing Neo4J, Databricks, Python, and Spark. Demonstrated expertise in the creation of microservices and APIs, predominantly using Python. Successfully developed a robust recommendation system, leveraging a solid understanding of data processing and machine learning frameworks.

  • Software Engineer Intern
    1/1/2018 - 12/1/2019

    Developed tools, websites, and visualizations leveraging open data, showcasing technical proficiency in PHP and various JavaScript frameworks such as Ext JS 4.2, NodeJS, and Vue.js. Gained experience in database management and optimization with PostgreSQL and MongoDB. Utilized both SVN and Git for efficient collaborative code maintenance, ensuring seamless integration and version control across development projects.

  • Data Science Intern
    1/1/2015 - 12/1/2017

    Developed the Best Bus, an Android app leveraging the Open Street Maps API to simplify daily commutes for public transportation users. Designed and implemented the Best Trip Recommender, a prediction service in R utilizing machine learning to forecast trip duration and passenger count on bus routes. Tuned and tested machine learning models using PySpark, ensuring optimal performance and reliability.

  • Computer Science at Federal University of Campina Grande
    2014 - 2018

  • Big Data Management and Analytics at Free University of Brussels
    2021 - 2022

  • Data Science and Artificial Intelligence at Eindhoven University of Technology
    2022 - 2023

  • Big Data Management and Analytics at Polytechnic University of Catalonia
    2022 - 2022

  • Certified Neo4j Professional at Neo4j
    5/1/2019

  • Data Science with Neo4J at Neo4j
    1/1/2019

Luiz is available for hire

Meet Luiz A.
Check icon

All Howdy Candidates are vetted for skills and english proficiency.