Esteban Grimaldos

Experience

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  Universidad Militar Nueva Granada

  Mar 2022 - Nov 2022

  Support econometrics class and guide students with R and Python programming language.• Teach Econometrics and Economics theory to more than 40 students. I design and write scientific paper to post in indexed publisher. I create data to address several paper related with research topics such as accounting and intangible assets management.

  • Teaching Assistant

    Jan 2022 - Nov 2022

  • Research Study Assistant

    Mar 2022 - Oct 2022
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  Marathon Ventures

  Jun 2022 - Jul 2022

  Summer Intern

  Work with cofounders doing research and analysis for start-ups in Latam.

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  Ashmore

  Jul 2022 - Jan 2023

  Risk Intern

  • Design Company’s Risk Framework to align with Group Framework, Colombian Financial law and Statutory suggestions• Develop and coordinate Board of Directors reports, such as Monthly, Quarterly and Annually Financial insights and information tolead better decision-making process and investment strategy base on risk.

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  Rurall Latam

  Jan 2023 - Mar 2024

  Data Scientist

  • Played a key role in developing ETL pipelines utilized for constructing the company’s primary metrics.• Collaborated with cross-functional teams to understand data requirements and translate them into technical solutions.• Conducted regular data audits and consistency checks to maintain data accuracy.• Developed automated ELT pipelines using Docker containers and Python. These pipelines were designed for daily updates using AWS schedule. Data was transformed and loaded into Google Sheets or SQL databases for visualization with Looker Studio, Power BI, or Google Sheets. This project freed up approximately 8 labor hours per company’s area, and per day. The final dashboards included financial OKR and KPI tracking, strategy development, and forecasting.• Developed a notification system for any outlier data loaded or submitted into the ERP system. I also designed and developed tools and processes to oversee these cases and manage stock, sales, and prices. This project reduced warehouse inconsistencies with the system by approximately 5% per month.• Developed and designed time series models for demand forecasting. Additionally, I implemented hyperparameter optimization strategies that reduced sMAPE error from 42% per week to 12% per week. Show less

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  The Functionary

  Sept 2024 - now

  Data Analyst