Joseph D.

Joseph D.

Data Scientist

Brazil
Trusted member since 2024
6 years of experience

Joseph has successfully led data initiatives both as a solo contributor and as a member of large data teams in publicly listed companies, showcasing his versatility and leadership skills. He has a strong background in Machine Learning Engineering and Data Engineering, with proficiency in Python, R, SQL, and various data visualization tools. His experience spans multiple industries, including finance and healthcare, making him a well-rounded professional in the field of data science.

Main expertise

TableauTableau5 years
Scikit-learnScikit-learn5 years
PandasPandas5 years
NumPyNumPy5 years
5+

Experience4

TC

Data Scientist

TC
Banking and Finance
Sep 2021 · 4y 6m
  • Executed CRISP-DM cycles to select, test, iterate, and communicate statistical and ML models for growth, supporting operational and executive decisions. Collaborated closely with the Data Engineering team to acquire and validate data.
  • Worked daily with fellow Data Scientists on data gathering, cleaning, transformation, and modeling. Reviewed team pull requests, and selected, trained, and validated ML and statistical models.
  • Developed modular data models and transformations on raw/curated data in a Lakehouse architecture. Created, monitored, and maintained ETLs and data pipelines.
  • Set up general and domain-specific data tests to ensure model assumptions. Collaborated daily with the analytics team to ensure modularity in development efforts and data reliability.
  • Developed insightful, low-latency reports and dashboards with reliable data and actionable metrics for all Growth operations, including user acquisition, activation, engagement, conversion, and retention.
  • Collaborated with teams of analysts, managers, and executives to produce predictive analytics on complex operations data and big-picture executive dashboards.
NumPyNumPy
PandasPandas
AWS AthenaAWS Athena
BigQueryBigQuery
Scikit-learnScikit-learn
5+

Data Science Analyst

Banco Itaú S.A.
Banking and Finance
Jul 2020 - Sep 2021 · 1y 2m

  • Governance of Data Analytics Environments: Hadoop, SAS, Alteryx Server, Tableau Online, physical and virtual machines for ML model development.

  • Responsible for...

  • Helping the team with...

  • Created from scratch...

Data Science
NumPyNumPy
PandasPandas
AWS AthenaAWS Athena
Data Analytics
3+
Filmr

Data Scientist

Filmr
Entertainment and Media
May 2019 - Mar 2020 · 10m
  • Customized, iterated, and automated data products to supply Growth and Product teams with relevant and actionable data for timely decisions.
  • Designed events and parameters architecture for rich app usage data and analyses.
  • Executed lean and agile end-to-end data science projects for strategic insights.
  • Developed machine learning models for sales and conversions forecasting.
  • Analyzed customer lifetime value, cost of acquisition, and market response models.
Data Science
NumPyNumPy
PandasPandas
R (programming language)R (programming language)
BigQueryBigQuery
3+
Concore

Product Owner and Lean Consultant

Concore
Manufacturing
Apr 2018 - May 2019 · 1y 1m
  • Ideated, planned, and managed new product development, focusing on testing value propositions, market assumptions, and growth hypotheses.
  • Managed backlog and sprints, collaborating with developers, designers, and Scrum Masters.
  • Modeled and measured business processes, validated data models, monitored production data, and tested venture hypotheses.
  • Delivered 15+ projects to clients, contributing to a 4X revenue growth.
Data Science
NumPyNumPy
PandasPandas
Data Analytics
TableauTableau

Assessments

Engineering excellence

Joseph’s overall performance in a 90-minute live technical assessment ranks in the top 50% of vetted Data Scientists at Proxify.

Education

UOS
University of São Paulo
Economics2011 - 2018

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