Manuel Alejandro Ponce Martínez

Manuel Alejandro Ponce Martínez

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Physics and Mathematics
Mexico City, Mexico

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Jobs verified_user 0% verified
  • Walmart
    Sr. Data Scientist
    Walmart
    Jun 2021 - Current (4 years 1 month)
    - In this project I’m a Sr. Data Scientist. The object of this project is to predict the sales of Sam’s clubs, focused on some products that are sold in an event called “10+1”, which consist of buying 10 products and you get another one free. - There exists a previous forecast, but it doesn ́t have a very good precision. This one, also, predict at category level and it’s required at item level. - Here we use many models in Python to get the best prediction, some libraries are Facebook Prophet, N-BEATS (deep neural architecture), TensorFlow. The object of this project is to predict the sales of Sam's clubs, focused on some products that are sold in an event called "10+1", which consist of buying 10 products and you get another one free.
  • E
    Data science team leader
    Estación de Televisión XE-IPN Canal Once
    Jan 2021 - Current (4 years 6 months)
    - I have four people in my team. I make predictive, exploratory and predictive analysis. Mainly predictive analysis in the budget, how it has to be distributed, which areas deserve more or less, depending on the past and considering the future. - My team and I, detect anomalies in the salaries of the employees. I also make text analysis, giving support to decision about the content of the programs, and tendency analysis in order to choose the most shocking words or phrases in the Internet. - The Data warehouse is stored in an Oracle Database. In predictive analysis, I use GLM for two values and K-Means in Python. I have four people in my team. I make predictive, exploratory and predictive analysis. Mainly predictive analysis in the budget,
  • Citibanamex
    ETL processes
    Citibanamex
    Jul 2019 - Dec 2020 (1 year 6 months)
    - Before starting the project, I passed the entire course in the official training Ab Initio page for about 4 months. - I transform the Data in order to allow bulk load of customers, account and loan. I use Reformat, Sort, Multi Update Table, Partition by Expression and many other components, and then I probe the graphs with Data of the oracle Database. - Creation of ShellScript in Unix/Linux for internal and external server scheduled maintenance and for creation of commit database tables. In addition, some .ksh, in order to modify Oracle and Teradata tables status and table names. • Migrating of the DW from India (SQL Server) to a local server (Oracle • Creation of dashboards in Power BI from Microsoft based on Tableau dashboards for
  • Daimler AG, Mercedes-Benz
    Preparation of documents
    Daimler AG, Mercedes-Benz
    May 2019 - Jul 2019 (3 months)
    - Migrating of the DW from India (SQL Server) to a local server (Oracle - Creation of dashboards in Power BI from Microsoft based on Tableau dashboards for Logistics, Controllership, Systems and Finance areas based on business rules and methodology of the client. - Testing with a local Pentaho database to use later Daimler's own Data cubes and SAP platform. Preparation of documents with evidence of boards.
  • Duke University
    Instructor
    Duke University
    Jan 2015 - Current (10 years 6 months)
    - In 2015, I began to teach private classes to high school and college students in the next areas: Calculus of one and several variables, Differential Equations, Probability and Statistics. Moreover, I tutor undergraduates at Duke University - The next year, I had the honor of giving a seminar to the schools “Escuelas Pías”, particularly Educational Institution “SOR JUANA INÉS DE LA CRUZ, AC”, where after I would enter as a Mathematics teacher. I also have worked as a facilitator of refres
Education verified_user 0% verified
  • Duke University
    Econometrics and programming
    Duke University
  • Coursera
    Data Management
    Coursera
  • S
    Bachelor of Science in Physics and Mathematics everis
    Superior School of Physics and Mathematics