Oscar Piedrahita

Oscar Piedrahita

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Data Analyst & Data Scientist | Python | SQL | Artificial intelligence | Power BI | Tableau
Bogota D.C., Colombia
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Résumé

Jobs verified_user 0% verified
  • K
    Data Support Specialist public Remote experience
    KO STORAGE
    Sep 2024 - Current (1 year 9 months)
    Automated reporting and data workflows using Python, Power Automate, APIs, and Git, ensuring accurate data validation and reconciliation. Collaborated with Marketing, IT, and Finance teams to create Tableau and Power BI dashboards, leveraging PostgreSQL for data extraction. Developed forecasting models, geospatial analysis, and financial reports to support strategic decision-making
  • A
    Data Project Specialist
    Adcomm MDU Services LLC
    Jun 2023 - Jun 2024 (1 year 1 month)
    Built and consolidated company databases using MySQL, ensuring data integrity and supporting decision-making. Automated processes by integrating Microsoft services with Python, Power Automate, and Power Apps, while overseeing Salesforce configurations. Designed Power BI dashboards to monitor KPIs and optimize business performance
  • Sutherland Global Services
    Customer Service Specialist
    Sutherland Global Services
    Aug 2021 - Jun 2023 (1 year 11 months)
    Delivered exceptional customer service by addressing inquiries and resolving issues efficiently. Managed proprietary customer service software to ensure smooth operations, coordinated daily department activities to improve efficiency, and validated customer information to maintain accurate and reliable data.
  • G
    Mechatronics Technician
    Grupo Plastilene
    Dec 2020 - Jun 2021 (7 months)
    Operated and maintained industrial machines, including plastic extruders, ensuring optimal performance and longevity. Performed repairs on electronic, mechanical, pneumatic, and hydraulic systems. Conducted overhauls and supervised industrial processes to maximize productivity.
  • S
    Apprentice Monitor - Mechatronics Area
    Servicio nacioal de aprendizaje SENA
    Aug 2019 - Dec 2019 (5 months)
    Developed and maintained basic applications using C++ and Python to support industrial processes during my apprenticeship at SENA. Assisted in the maintenance and repair of mechanical, pneumatic, electronic, hardware, and software systems to ensure optimal performance. Monitored and supervised mechatronic projects, contributing to efficient, reliable, and continuous industrial operations.
Education verified_user 0% verified
  • Digital House
    Professional Developer public Remote experience
    Digital House
    May 2023 - Dec 2024 (1 year 8 months)
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  • Platzi
    Data Analyst with Python public Remote experience
    Platzi
    Aug 2022 - Apr 2023 (9 months)
  • S
    Tecnology, Design and integration of mechatronic automatisms
    Servicio nacioal de aprendizaje SENA
    Jan 2019 - Jan 2021 (2 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • Platzi
    Platzi Projects public Remote experience
    Platzi
    Aug 2022 - Current (3 years 10 months)
    I have led and contributed to a diverse range of projects, showcasing my expertise in various domains and technologies. My experience includes: Web Automation: Developed scripts using Selenium to automate web-based tasks, ensuring efficiency and accuracy in data retrieval and processing. Data Analysis: Leveraged libraries such as pandas, numpy, matplotlib, and seaborn for comprehensive data cleaning, transformation, and visualization. Conducted in-depth exploratory data analysis, trend analysis, and predictive modeling to support data-driven decision-making and uncover actionable insights. ETL Processes: Designed and implemented ETL (Extract, Transform, Load) pipelines to efficiently move and transform data between systems, ensuring data