Juliana Oliveira Cerqueira
Karlsruhe
Summary
Analytical and detail-oriented student with hands-on experience in data modeling, dashboard development, and business intelligence. Skilled in Python, SQL, and cloud reporting tools, with a strong interest in SAP's Analytics Cloud ecosystem. Proven ability to collaborate across teams in agile environments to deliver actionable insights.
Overview
1
1
year of professional experience
1
1
Certification
Work History
EU Selection Business Intelligence Engineer - Intern
Amazon
03.2025 - 09.2025
- Automated the identification of selection listing gaps within the Buyable Brand Coverage (BBC) program, saving 2 days of manual analysis per month.
- Collaborated with Product Managers and business stakeholders to define data requirements and optimize reporting efficiency.
- Designed and implemented SQL queries and built a dashboard to track Amazon coverage for BC and EBC brands, automating tracking and data refresh processes.
- Developed Python scripts and Agent AI workflows to identify top EU competitors across 29 GLs, mapping ~30 brands per product type to support selection prioritization.
- Performed ad-hoc analyses, resolved bugs, and provided insights to Product Managers to support data-driven decision-making.
Data Scientist and Artificial Intelligence - Working Student
Ili.Digital
05.2024 - 11.2024
- Developed 10+ prompt templates for automotive marketing strategies, supporting client segmentation and campaign planning;
- Built a Helpdesk dashboard in Apache Superset with SQL-based visualizations
- Tested AI tools (chatbot, desktop app, dashboard), identifying bugs and improving usability;
- Annotated 300+ bank contracts and extracted data from 900+ documents (PDF/XLSX) using Python and Azure for model training;
- Trained ML models (Random Forest, MLP, neural networks) with hyperparameter tuning;
Education
Bachelor of Science - Business Information Systems - Business Management, Computer Science And AI & Data Science
Furtwangen University
Furtwangen, BW03.2027
Skills
- Python
- SQL
- Power BI
- Looker Studio
- Apache Superset
- Advanced Excel
- Git
- Jira
- Azure AI Document Intelligence
- AWS (Redshift, Quicksight, S3)
- SAP Analytics Cloud
- SAP Datasphere
- SAP Databricks
- KPI dashboards
Certification
Google Advanced Data Analytics Certificate, Coursera, Mentor Me Collective scholarship
Microsoft Power BI Data Analyst Professional Certificate by Coursera
Leadership Experience
Furtwangen University, Furtwangen, BW, Speaker of Semester, 03/01/24, 06/01/24, Led 35 students to successfully manage their studies through the first semester, giving support with everything related to the faculty.
Accomplishments
Winner of Her Hackathon 2024, representing Beiersdorf. Developed a chatbot that interacts with the consumer analyzing the attributes that impact on their skin such as period cycle, geography, skin color and physical activities.
Timeline
EU Selection Business Intelligence Engineer - Intern
Amazon
03.2025 - 09.2025
Data Scientist and Artificial Intelligence - Working Student
Ili.Digital
05.2024 - 11.2024
Bachelor of Science - Business Information Systems - Business Management, Computer Science And AI & Data Science
Furtwangen University