Juan Sebastián Martínez Serna

Juan Sebastián Martínez Serna  new_releases

About

Detail

BI | Python | Data Science | Data Engineer | AI | ML | DL
Bogota D.C., Colombia
Contact Juan regarding: 
Flexible work
Starting at USD20/hour
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Networking

Timeline

work
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Education

Résumé

Jobs verified_user 0% verified
  • D
    Data Lead
    Aug 2023 - Current (2 years 11 months)
    ▸ Developed constructed tested and maintained data architectures ▸ Developed data set processes ▸ Identified ways to improve data ▸ Aligned architecture with business requirements ▸ Conducted research for industry and business questions ▸ Developed and maintained backend process and platform ▸ Lead a team of data engineers and analysts ▸ Mentored junior data engineers and analysts ▸ Delivered data-driven solutions that met the needs of the organization
  • dentsu
    Data Lead
    dentsu
    Aug 2023 - Feb 2024 (7 months)
    ▸ Developed constructed tested and maintained data architectures ▸ Developed data set processes ▸ Identified ways to improve data ▸ Aligned architecture with business requirements ▸ Conducted research for industry and business questions ▸ Developed and maintained backend process and platform ▸ Lead a team of data engineers and analysts ▸ Mentored junior data engineers and analysts ▸ Delivered data-driven solutions that met the needs of the organization
  • Inter
    Professor
    Inter
    Aug 2023 - Current (2 years 11 months)
    ▸ Professor of the course "Data Structures" (2023-2, 2024-1) and "Data Bases" (2023-2) ▸ Developed and delivered lectures ▸ Developed and graded assignments ▸ Developed and graded quizzes and exams ▸ Developed and graded projects ▸ Developed and graded labs
  • Havas
    Data Developer public Remote experience
    Havas
    Dec 2022 - Jul 2023 (8 months)
    - Develop construct test and maintain data architectures - Develop data set processes - Identify ways to improve data - Align architecture with business requirements - Conduct research for industry and business questions - Maintain and upgrade existing systems
  • Havas Media Group
    Data Developer Sr.
    Havas Media Group
    Dec 2022 - Jul 2023 (8 months)
    ▸Develop construct tests and maintain data architectures ▸Develop data set processes ▸Identify ways to improve data ▸Align architecture with business requirements ▸Conduct research for industry and business questions ▸Develop and maintain the backend process and platform
  • OmniLatam
    Data Engineer
    OmniLatam
    May 2022 - Dec 2022 (8 months)
    - Develop, construct, test and maintain data architectures - Align architecture with business requirements - Develop data set processes - Identify ways to improve data reliability, efficiency and quality - Conduct research for industry and business questions - Develop and maintain backend process and platform - Develop and maintain report process
  • KLYM
    Data Engineer
    KLYM
    May 2022 - Dec 2022 (8 months)
    ▸Develop construct tests and maintain data architectures ▸Develop data set processes ▸Identify ways to improve data ▸Align architecture with business requirements ▸Conduct research for industry and business questions ▸Develop and maintain the backend process and platform
  • NTT DATA
    Data Engineer
    NTT DATA
    Oct 2021 - Apr 2022 (7 months)
    - Develop, construct, test and maintain data architectures - Align architecture with business requirements - Develop data set processes - Identify ways to improve data reliability, efficiency and quality - Conduct research for industry and business questions
  • NTT DATA
    Data Engineer
    NTT DATA
    Oct 2021 - Apr 2022 (7 months)
    ▸Develop construct test and maintain data architectures ▸Develop data set processes ▸Identify ways to improve data ▸Align architecture with business requirements ▸Conduct research for industry and business questions ▸Maintain and upgrade existing systems
  • Universidad Autónoma de Zacatecas
    Business Practice in Artificial Intelligence public Remote experience
    Universidad Autónoma de Zacatecas
    Mar 2021 - Jul 2021 (5 months)
    - Develop a deep learning model to identify emotions over speech recognition Develop a deep learning model to identify emotions over speech recognition
  • Universidad Autónoma de Zacatecas
    Business Practice in Artificial Intelligence
    Universidad Autónoma de Zacatecas
    Mar 2021 - Jul 2021 (5 months)
    Develop a deep learning model to identify emotions over speech recognition
  • R
    Python Desktop Developer
    Rollup Consulting
    Nov 2019 - Oct 2021 (2 years)
    - Writing effective and scalable codes - Test and debug software - Improve functionality of existing systems - Assess and prioritize feature requests - Provide technical solutions to user requirements - Translate business needs into technical specifications - Designing and implementing robust applications
  • R
    Python Desktop Developer
    Rollup Consulting
    Nov 2019 - Oct 2021 (2 years)
    › Writing effective and scalable codes › Test and debug software › Improve functionality of existing systems › Assess and prioritize feature requests › Provide technical solutions to user requirements › Translate business needs into technical specifications › Designing and implementing robust applications
  • R
    Business Intelligence Consultant
    Rollup Consulting
    Apr 2017 - Oct 2021 (4 years 7 months)
    - Create and maintain reports - Create and maintain ETL processes - Create and maintain cubes - Create and maintain data processes - Translate business needs into technical specifications - Create and maintain dashboard - Create and maintain processes documentation
  • R
    Business Intelligence Consultant
    Rollup Consulting
    Apr 2017 - Oct 2021 (4 years 7 months)
    › Create and maintain reports › Create and maintain ETL processes › Create and maintain cubes › Create and maintain processes › Translate business needs into technical specifications › Create and maintain dashboard › Create and maintain processes documentation
  • E
    Monitor Administrativo
    Escuela Colombiana de Ingeniería Julio Garavito y Universidad del Rosario
    Jun 2016 - Jul 2016 (2 months)
    • Gestión de la comunidad de aprendizaje Self Paced – DataBase (MOOC – IDB) o Solucionar dudas o Mantener el espacio virtual (Moodle) • Gestión de la comunidad de aprendizaje Itroduction to Computer Science and Programming using Python (MOOC) o Solucionar dudas o Mantener el espacio virtual (Moodle) • Producción de un artículo académico con la experiencia
  • E
    Monitor academico de Arquitectura Empresarial
    Escuela Colombiana de Ingeniería Julio Garavito y Universidad del Rosario
    Jan 2016 - May 2016 (5 months)
    › Moodle Management › Help students with their final projects › Help the teacher with class management › Create and maintain processes documentation › Create documentation about classes › Help students with class assignments
  • E
    Monitor administrativo
    Escuela Colombiana de Ingeniería Julio Garavito y Universidad del Rosario
    Jan 2015 - Jun 2015 (6 months)
    • Gestión de la comunidad de aprendizaje Self Paced – DataBase (MOOC – IDB) o Animar a los participantes o Solucionar dudas o Mantener el espacio virtual (Moodle) • Producción de un artículo académico con la experiencia
  • I
    Web Developer
    Ingenium Data SAS
    Oct 2014 - Jan 2015 (4 months)
    › Full Stack Developer (JEE, Angular, Spring, MySQL, JS, CSS3, HTML5) › Integrate back-end services with front-end services › Create and maintain technical documentation › Create and maintain user documentation › Create a web solution according to user needs
Education verified_user 0% verified
  • UNIR - La Universidad en Internet
    Msc. Inteligencia Artificial, Inteligencia artificial
    UNIR - La Universidad en Internet
    Nov 2020 - Current (5 years 8 months)
  • UNIVERSIDAD INTERNACIONAL DE LA RIOJA UNIR
    Msc. Inteligencia Artificial, Artificial Intelligence
    UNIVERSIDAD INTERNACIONAL DE LA RIOJA UNIR
    Nov 2020 - Oct 2021 (1 year)
    Se trata de un máster que se enfoca en la parte cognitiva, para que una máquina pueda percibir el entorno a través de sensores que colectan datos como harían los sentidos en el cuerpo humano.
  • HarvardX
    Data Science: Machine Learning
    HarvardX
    Feb 2019
  • HarvardX
    Data Science: Wrangling
    HarvardX
    Nov 2018
  • HarvardX
    Data Science: Productivity Tools
    HarvardX
    Oct 2018
  • HarvardX
    Data Science: Inference and Modeling
    HarvardX
    Aug 2018
  • HarvardX
    Data Science: Probability
    HarvardX
    Jun 2018
  • HarvardX
    Data Science: Visualization
    HarvardX
    May 2018
  • HarvardX
    Data Science: R Basics
    HarvardX
    Apr 2018
  • Udemy
    Scrum Master + La Revolución Ágil + Liderar Equipos Scrum
    Udemy
    Sep 2017
  • edX
    edX Verified Certificate for Introduction to Computational Thinking and Data Science
    edX
    Dec 2015
  • edX
    edX Honor Code Certificate for Introduction to Computer Science and Programming Using Python
    edX
    Aug 2015
  • Escuela Colombiana de Ingeniería Julio Garavito
    Ingeniería, Ingeniería de sistemas
    Escuela Colombiana de Ingeniería Julio Garavito
    Jan 2011 - Dec 2016 (6 years)
  • E
    Ingeniería, Ingeniería de sistemas
    Escuela Colombiana de Ingeniería Julio Garavito y Universidad del Rosario
    Jan 2011 - Dec 2016 (6 years)
    Skills: Git
  • Servicio Nacional del Aprendizaje-SENA
    Técnico, Mantenimiento de Equipos de Cómputo
    Servicio Nacional del Aprendizaje-SENA
    Jan 2009 - Jan 2010 (1 year 1 month)
  • Servicio Nacional del Aprendizaje-SENA
    Técnico, Mantenimiento de Equipos de Cómputo
    Servicio Nacional del Aprendizaje-SENA
    Jan 2009 - Dec 2010 (2 years)