Mariel A.

Mariel A.

Mexico City, Mexico

Data Scientist

10 years of exp.


Profile Summary

Experienced Data Professional with a deep understanding of statistics and programming, I have successfully applied these skills to diverse projects and teams in the fields of Data Science, Data Engineering, Machine Learning, and Analytics.

Primary Skills

Python | 8 yrsMachine Learning | 8 yrsNatural Language Processing | 8 yrsAmazon EMR | 8 yrsAWS DataSync | 7 yrsAzure Databricks | 4 yrsCI/CD Pipelines | 5 yrs

Culture

In workplace, I am known for . . .
  • being proactive to always try new technologies.
  • be quick to solve problems.
I thrive in environments . . .
  • that provide clear goals and challenges.
  • that I'm being motivated to excel in my professional endeavors.
I struggle in environments . . .
  • with micromanagement.
  • where there are no clear channels of communication and misinformation between teams.

Work Experience

Deloitte

Sr Data Scientist Consultant
  • Aug, 2022 - Present
  • Remote
  • I analyze large datasets using advanced statistical methods and machine learning algorithms to derive insights and patterns that inform decision-making processes.
  • I design and develop predictive models tailored to specific business needs, employing techniques such as regression, classification, and clustering.
  • I engineer relevant features from raw data to enhance model performance and accuracy, employing techniques like dimensionality reduction and feature selection.
  • I assess the performance of developed models using appropriate metrics and conduct thorough validation to ensure robustness and reliability.

Skills

PythonAWSSQL ServerData AnalysisMachine LearningNatural Language ProcessingAmazon DataZoneAmazon Quantum Ledger DatabaseAWS Data ExchangeAWS Data PipelineAWS Database Migration ServiceAWS DataSyncAWS Glue Data QualityAzure Data BoxCI/CD PipelinesDocker

Industries

Consulting

Anheuser-Busch InBev

Sr Data Scientist
  • Jun, 2021 - Jul, 2022
  • Remote
  • Engineered an automated data cleansing pipeline, reducing data errors by 25% and improving data reliability for analytical purposes.
  • Developed a predictive maintenance model for manufacturing equipment, decreasing downtime by 20% and saving $500,000 in maintenance costs annually.
  • Implemented a customer churn prediction system, reducing churn rates by 15% through targeted retention strategies.
  • Orchestrated the integration of external data sources, enriching internal datasets and providing deeper insights into market trends and customer behavior.

Skills

PythonSQL ServerData AnalysisMachine LearningAmazon DataZoneAmazon Quantum Ledger DatabaseAWS Data ExchangeAWS Data PipelineAWS Database Migration ServiceAWS DataSyncAWS Glue Data QualityAzure Data BoxMicrosoft Azure portal

Industries

Manufacturing

Stefanini Group

Data Scientist Consultant
  • Nov, 2020 - Jun, 2021
  • Remote
  • Spearheaded a data-driven marketing campaign optimization initiative, resulting in a 25% increase in conversion rates and a 20% decrease in customer acquisition costs.
  • Developed a predictive sales forecasting model, improving forecast accuracy by 30% and enabling proactive inventory management, leading to a 15% reduction in stockouts.
  • Led the implementation of a customer segmentation strategy based on RFM (Recency, Frequency, Monetary) analysis, resulting in targeted marketing efforts and a 20% increase in average customer lifetime value.
  • Established a data-driven performance evaluation framework for sales teams, identifying top performers and areas for improvement, resulting in a 10% increase in overall sales productivity within six months.

Skills

PythonAWSData AnalysisNatural Language ProcessingAmazon DataZoneAmazon Quantum Ledger DatabaseAWS Data ExchangeAWS Data PipelineAWS Database Migration ServiceAWS DataSyncAWS Glue Data QualityAWS LambdaAzure Data Box

Industries

IT Services

Stori Card

Data Scientist
  • Jan, 2014 - Nov, 2020
  • Remote
  • Innovated a data-driven market segmentation strategy, leading to a 20% increase in customer acquisition and a 15% boost in market penetration within the targeted segments.
  • Designed and executed a sentiment analysis framework on customer feedback data, providing actionable insights that improved product features and led to a 10% increase in customer satisfaction ratings.
  • Designed and executed a sentiment analysis framework on customer feedback data, providing actionable insights that improved product features and led to a 10% increase in customer satisfaction ratings.
  • Designed and executed a sentiment analysis framework on customer feedback data, providing actionable insights that improved product features and led to a 10% increase in customer satisfaction ratings.

Skills

PythonSQL ServerData AnalysisAmazon DataZoneAmazon EMRAmazon Quantum Ledger DatabaseAWS Data ExchangeAWS Data PipelineAWS Database Migration ServiceAWS DataSyncAWS Glue Data QualityAWS LambdaAzure Data Box

Industries

Financial ServicesFintech

Education

Bachelor's degree
  • Mathematics
  • Universidad Nacional Autónoma de México, Mexico
  • 2014
Master's degree
  • Actuarial Science
  • Universidad Nacional Autónoma de México, Mexico
  • 2018

Certifications

AI and Public Health
  • DeepLearning.AI
  • 2017
Decentralized Finance (DeFi) Infrastructure
  • Coursera
  • 2018
Decentralized Finance (DeFi) Primitives
  • Coursera
  • 2018
Generative AI with Large Language Models
  • DeepLearning.AI
  • 2019
High Performance Collaboration: Leadership, Teamwork, and Negotiation
  • Coursera
  • 2022

All Skills

  • Languages

    • Python | 8 yrs
  • Cloud

    • AWS | 6 yrs
    • Amazon DataZone | 5 yrs
    • Amazon EMR | 8 yrs
    • Amazon Quantum Ledger Database | 5 yrs
    • AWS Data Exchange | 5 yrs
    • AWS Data Pipeline | 5 yrs
    • AWS Database Migration Service | 7 yrs
    • AWS DataSync | 7 yrs
    • AWS Glue Data Quality | 5 yrs
    • AWS Lambda | 5 yrs
    • Azure Data Box | 5 yrs
    • Azure Databricks | 4 yrs
    • Microsoft Azure portal | 4 yrs
  • Databases

    • SQL Server | 7 yrs
  • AI

    • Data Analysis | 7 yrs
    • Machine Learning | 8 yrs
    • Natural Language Processing | 8 yrs
  • Tools

    • CI/CD Pipelines | 5 yrs
    • Docker | 5 yrs