Mariana F.

Mariana F.

Data Scientist

Brazil
Betrodd medlem sedan 2023
6 års erfarenhet

Hon har också praktisk erfarenhet av enhets- och integrationstestning, feature store management och verktyg som Databricks, Looker och Metabase. Hennes välgrundade tekniska kompetens gör att hon kan bygga tillförlitliga och skalbara datalösningar.

Mariana har en stark bakgrund inom ekonomi och marknadsföring och har gått över till teknikbranschen, där hon har fyra års erfarenhet. Hennes expertis spänner över analys, kreditmodellering och rekommendationssystem, och drivs av hennes passion för data och statistik. Hon utmärker sig genom att skapa väl genomarbetade, datadrivna produkter som ger meningsfulla insikter och resultat.

Med en unik kombination av analytisk skärpa och teknisk skicklighet är Mariana skicklig på att driva datadrivna beslut och bygga produkter med stor genomslagskraft, vilket gör henne till en tillgång för alla datacentrerade team.

Huvudsaklig expertis

Apache SparkApache Spark5 år
AWSAWS5 år
Data Science5 år
DatabricksDatabricks5 år
7+

Erfarenhet6

QuintoAndar

Data Scientist

QuintoAndar
Information Technology (IT) and Services
Sep 2022 - Apr 2023 · 7m
  • Improved credit approvals from 20% to 50% by developing and deploying a gradient-boosting classification model.
  • Increased calculation accuracy by 30% by automating the calculation of Net Present Value (NPV) from Excel to Python.
  • Decreased manual analysis from 20% to 10% in offline tests by creating a fallback logistic regression model for credit approvals.
PythonPython
SQLSQL
QuintoAndar

Data Scientist

QuintoAndar
Sep 2022 - Apr 2023 · 7m
  • Increased 10% email click-through rate by training, optimizing, and deploying a deep learning two-tower content-based recommendation model.
  • Trained and optimized a deep learning collaborative filtering recommendation model for email campaigns.
  • Responsible for planning 2023 bets, interviewing and hiring, onboarding three new hires, and documenting legacy decisions from previous owners of recommendation models at the company.
QuintoAndar

Data Scientist

QuintoAndar
Information Technology (IT) and Services
Jan 2021 - Sep 2022 · 1y 8m
  • Improved credit approvals from 20% to 50% by developing and deploying a gradient-boosting classification model.
  • Increased calculation accuracy by 30% by automating the calculation of Net Present Value (NPV) from Excel to Python.
  • Decreased manual analysis from 20% to 10% in offline tests by creating a fallback logistic regression model for credit approvals.
PythonPython
SQLSQL
Regression Testing
QuintoAndar

Data Analyst

QuintoAndar
Information Technology (IT) and Services
Jan 2019 - Jan 2021 · 2y
  • Improved accuracy in the estimation of supply availability duration by 20% by developing a Survival Analysis method, impacting Unit Economics estimation.
  • Zeroed differences in numbers of the main business metrics across the company by developing a standardized metrics calculation in Metrics Governance initiatives.
  • Freed 25% of work time from one analyst by translating the calculation of business targets from Excel to SQL.
  • Provided reports of main business metrics for Series D and Series E investment rounds.
PythonPython
SQLSQL
CUBOCC

Data Analyst

CUBOCC
Marketing and Advertising
Jan 2017 - Jan 2019 · 2y
  • Developed a report template and process for analysis of marketing strategies of competitors across the company.
  • Developed marketing campaign results template standardized cross-company to automate performance analysis.
PythonPython
SQLSQL
Continental

Controller Assistant

Continental
Automotive
Jan 2014 - Jan 2017 · 3y
  • Calculated yearly and monthly forecast estimation for financial statements within 15% of deviation from actual values.
  • Developed dashboard templates and trained teams across countries for reporting.
PythonPython
SQLSQL

Granskning

Ingenjörsexcellens

Mariana totala prestation i en 90-minuters live-teknisk bedömning rankas inom top 25% av granskade Data Scientist på Proxify.

Utbildning

Udacity
Udacity
Data Scientist2019 - 2019
Tera
Tera
Data Science2019 - 2019
UOS
University of São Paulo
Statistics2018 - 2021

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