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Ricardo Piedrahita

Software Engineer at Pngme (We're Hiring)
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Ricardo Piedrahita is a seasoned software engineer and research associate with expertise in data analysis, machine learning, and environmental engineering, holding a PhD in Mechanical Engineering from University of Colorado Boulder.
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Location
Boulder, Colorado, United States, US
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Ricardo Piedrahita is a seasoned software engineer with expertise in alternative credit scoring platforms and data analytics. He has worked at Pngme (We're Hiring) and Berkeley Air Monitoring Group, where he spearheaded data collection and analysis projects in multiple countries. With a strong educational background in Mechanical Engineering from the University of Colorado Boulder, Ricardo has developed a unique blend of technical skills and analytical expertise. He is proficient in languages such as Spanish and has a strong foundation in Python programming. Throughout his career, Ricardo has demonstrated his ability to work on complex projects, leveraging his skills in data analytics, machine learning, and software development. His experience spans multiple industries, including finance and environmental monitoring.

Experience

  • Pngme (We're Hiring)
    • Software Engineer
      • Jan 2022 - Present

      - Engineered an alternative credit scoring platform with AWS services: Lambda, RDS, Kinesis, API Gateway, Cloudwatch, and Redshift.- XGBoost model development, including feature engineering, model training, hyperparameter tuning, validating performance, model explainability/interpretability, and deployment to production.- Built real-time APIs for credit score access, improving user engagement.- Developed parsers, tooling, and quality control methods for the extraction of structured data from unstructured messages.- Developed data analytics using Python (Pandas/Numpy/Scikit Learn), to build evidence of product value, leading to optimized lending decisions.

  • Berkeley Air Monitoring Group
    • Boulder, Colorado
    • Research Associate
      • Feb 2017 - Jan 2022
      • Boulder, Colorado

      - Spearheaded data collection and analysis projects in multiple countries.- Expertise in data collection, management, and analysis for stove usage monitoring and air pollutants.- Principal investigator on project in Peru to assess the carbon savings of national stove programs, leveraging native Spanish proficiency.- Contributed to the Household Air Pollution Intervention Network trial, specifically protocol development, trainings, and data management.

  • CU Boulder
    • United States
    • Higher Education
    • 700 & Above Employee
    • PhD student
      • Sep 2013 - Jan 2017

    • PRA
      • Sep 2010 - May 2014

      Performed research on low-cost air quality sensors and sensor systems, primarily for low-power personal and remotely deployable platforms.

  • iShoe, Inc.
    • Engineer
      • 2007 - 2008

  • Cisco
    • Environmental Engineering Intern
      • 2007 - 2007

  • Hilti
    • Engineering Intern
      • 2006 - 2006

  • 219 Design
    • Intern
      • 2006 - 2006

Education

  • 2013 - 2017
    University of Colorado Boulder
    Doctor of Philosophy - PhD, Mechanical Engineering
  • 2008 - 2010
    University of Colorado Boulder
    Master's degree, Mechanical Engineering
  • 2003 - 2008
    UC San Diego
    BS, Mechanical Engineering

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