Nicolás Alberto Ramírez García

Nicolás Alberto Ramírez García  new_releases

About

Detail

| AI | ETL | Data Pipelines | Data Science | Machine learning | Big Data | Data Modeling | Data Analyst | Data Visualization | Cloud | Python | SQL | R |
Colombia

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Résumé


Jobs verified_user 0% verified
  • SDG Group
    Data Consultant
    SDG Group
    Jan 2025 - Current (8 months)
  • Premise Data
    Senior Database Analyst
    Premise Data
    Jan 2024 - Jan 2025 (1 year 1 month)
    Responsibilities: - Design and implement ETL processes using tools and services such as MySQL, PostgreSQL, BigQuery, Python, and solutions based on Google Cloud Platform (GCP) and AWS, ensuring efficiency and scalability of data pipelines. - Automate operational processes for managing traditional market data, optimizing the collection, processing, and delivery of information to internal teams and clients. - Manage tasks and tickets focused on developing innovative solutions that integrated data pipelines capable of supporting Machine Learning and Artificial Intelligence projects. Achievements: - Developed and implemented a logistics planning model using GCP services (such as BigQuery and Cloud Functions) and MySQL as data sources, optimizi
  • Nub 7/8
    Business Data Analyst
    Nub 7/8
    Oct 2022 - Oct 2023 (1 year 1 month)
    Responsibilities: - Respond to ad-hoc analytical requests, developing Machine Learning projects and descriptive statistical analyses to understand the behavior of CISCO's customers. - Design and execute ETL processes using SQL, Power Query, and Python, automating data models to optimize CISCO's operations. - Develop and maintain operational and strategic reports (weekly, monthly, and quarterly) using Power BI, enabling data-driven decision-making. Accomplishments: - Supported the development of a Machine Learning model to predict customer churn in CISCO's Customer Lifecycle, leveraging classification techniques such as Random Forest and XGBoost, and integrating historical interaction and transaction data from PostgreSQL. - Addressed requir
  • Pontificia Universidad Javeriana
    Project Data Analyst
    Pontificia Universidad Javeriana
    Oct 2021 - Oct 2022 (1 year 1 month)
    Responsibilities: - Analyze processes related to projects executed by the university from the technology and innovation office. - Extract data using SQL and generate valuable information for decision-making through interactive dashboards. - Conduct process documentation supported by the BPMN methodology. Achievements: - Created a template for periodic reports in Power BI, allowing easier access to information and reducing the time to extract insights by approximately 35%. - Automated SQL queries considering business rules, reducing data load times in the model, with refresh times decreasing from 1 hour to 20 minutes.
  • J
    Junior Data Analyst
    JAR Asesores y Consultores SAS
    Feb 2021 - Sep 2022 (1 year 8 months)
    Responsibilities: - Analyze processes related to projects executed by the university from the technology and innovation office. - Extract data using SQL and generate valuable information for decision-making through interactive dashboards. - Conduct process documentation supported by the BPMN methodology. Achievements: - Created a template for periodic reports in Power BI, allowing easier access to information and reducing the time to extract insights by approximately 35%. - Automated SQL queries considering business rules, reducing data load times in the model, with refresh times decreasing from 1 hour to 20 minutes.
  • Teleperfomance
    Bilingual Agent
    Teleperfomance
    Feb 2020 - Mar 2021 (1 year 2 months)
    Customer Experience Representative for Turo's Verification Team: Worked at a tech company specializing in car rentals across the US, UK, Italy, and Canada.
  • E
    Sustainable Development Intern
    Ecopetrol S.A.
    Jul 2019 - Jan 2020 (7 months)
    Responsible for planning, executing, and controlling social projects aimed at improving the quality of life within Colombian communities.
Education verified_user 0% verified
  • Universidad de Navarra
    Master in Big Data Science & AI
    Universidad de Navarra
    Sep 2024 - Current (1 year)
  • Pontificia Universidad Javeriana
    Emphasis in Analytic and Business Intelligence
    Pontificia Universidad Javeriana
    Jul 2022 - Jul 2023 (1 year 1 month)
  • Pontificia Universidad Javeriana
    Industrial Engineering
    Pontificia Universidad Javeriana
    Jul 2018 - Nov 2022 (4 years 5 months)
  • Pontificia Universidad Javeriana
    Civil Engineering
    Pontificia Universidad Javeriana
    Jan 2015 - Mar 2020 (5 years 3 months)
    - Reconocimiento a la excelencia.