Active Informatics student at ITS class of 2023 with a strong interest in data analysis and data science. Experienced in building data pipelines, machine learning and NLP projects, and predictive models using Python and SQL. Works well in structured, data-driven environments—especially in data management, validation, and integration—and is eager to apply data for impactful decision-making.

Rafie Zaidan Umara

Active Informatics student at ITS class of 2023 with a strong interest in data analysis and data science. Experienced in building data pipelines, machine learning and NLP projects, and predictive models using Python and SQL. Works well in structured, data-driven environments—especially in data management, validation, and integration—and is eager to apply data for impactful decision-making.

Available to hire

Active Informatics student at ITS class of 2023 with a strong interest in data analysis and data science. Experienced in building data pipelines, machine learning and NLP projects, and predictive models using Python and SQL.

Works well in structured, data-driven environments—especially in data management, validation, and integration—and is eager to apply data for impactful decision-making.

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Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
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Language

English
Intermediate

Work Experience

Internship (Data Engineering / Data Platform) at Semen Indonesia Logistik
January 1, 2026 - April 1, 2026
Built and operated an Apache Airflow-based data orchestration platform to automate daily synchronization of 90+ business tables from source systems into a centralized PostgreSQL warehouse. Developed an hourly weather ETL pipeline using BMKG API with upsert logic, freshness monitoring, and 30-day retention cleanup for reliable analytics-ready data. Integrated the warehouse with Metabase, Grafana, and Superset to enable operational monitoring and business reporting. Deployed and managed a production-ready Dockerized data stack and supported end-to-end data flow from ingestion through reporting.

Education

Undergraduate (Informatics) at Sepuluh Nopember Institute of Technology (ITS)
January 1, 2023 - July 7, 2026
Senior High School (Natural Science) at SMA Negeri 14 Surabaya
July 1, 2020 - July 1, 2023

Qualifications

Amazon Web Services Cloud Practitioner
January 1, 2025 - July 7, 2026
Cybersecurity Foundation Certification (Palo Alto Networks)
January 1, 2025 - July 7, 2026

Industry Experience

Software & Internet, Education, Professional Services, Manufacturing, Non-Profit Organization

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
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