Data analyst with experience in analytics, data infrastructure, and operational metrics in digital platforms. With an academic background in Linguistics and Literature, I am currently deepening my work in machine learning and applied AI, especially in ranking and decision systems. Native in Brazilian Portuguese and proficient in English and Spanish, I work comfortably with information across multiple languages and combine linguistic and analytical thinking in technical problem-solving.
- π Work with analytics, data systems, and operational metrics in digital platform environments
- π§ Combine a humanities background with data science and applied AI
- π€ Interested in machine learning, ranking systems, decision systems, and model behaviour
- βπΎ Write in Portuguese about data, SQL, Python, analytics careers, and career transition on Medium
Customer segmentation project using K-Means clustering on credit card behavioral data. Includes exploratory data analysis, optimal K selection, PCA visualization, cluster profiling, and statistical validation.
Tech: Python, pandas, scikit-learn, PCA, statistics
End-to-end data pipeline built to collect Instagram metrics through the Meta API, store raw data in Google Sheets, and support dashboards in Looker through Python automation.
Tech: Python, Meta API, ETL, Google Sheets, Looker Studio
Hackathon project developed as part of team InclusiData Alchemy, focused on a diversity and inclusion analytics solution based on a marketplace-style business challenge. Awarded 2nd place in the data category.
Tech: Data analysis, dashboarding, problem framing, business analytics
I write in Portuguese about data, SQL, Python, analytics careers, and career transition.
Some selected articles (written in Brazilian Portuguese / pt-BR):
- π From Language to Analysis: Studying Literature in Data Science
- π Writing a New Chapter: My Career Transition
- π§© CTEs and Subqueries, or, Readable and Efficient Code
- π Documentation Best Practices
More articles on Medium.
Below are repositories developed during technical training programmes and bootcamps.
- Power BI Project
- Statistics Project
- Data Analysis Project
- Database Project
- Python II Project
- Python I Project
- Django News Blog
- Django App Project
- Flask API Project
- OOP and Databases Project
- HTML and CSS Project
- πΌ LinkedIn
- βπΎ Medium
- π« jhenyffer.tech@gmail.com





