Pius K.

Data Analyst

Freelancing Career • Freelance

Aug 2021 - Present • 4 yrs 9 mos

I help design and deploy automated data ingestion and transformation workflows enabling daily report generation that reduces client operational overhead by 50%. I also deliver interactive dashboards in Tableau and Power BI with automated refresh processes that cut manual reporting time by 60% , while translating complex statistical findings into actionable business reports and data narratives. I utilize various tools such as SQL, Python, and R for analysis; Microsoft Power BI, Fabric, and Tableau for visualization; dbt, Apache Airflow, SSIS, Airbyte, and PySpark for data engineering; and Azure, ClickHouse, PostgreSQL, MySQL, Git, Docker, Postman, NetSuite ERP, and QGIS for database management and operations.

Business Intelligence Analyst

SunCulture • Período integral

Aug 2024 - Aug 2025 • 1 yr

I engineered a robust data ecosystem by co-developing a modern data warehouse with ClickHouse and dbt to process over 2 million records with 100% accuracy and establishing a centralized dashboard that unified executive reporting. My focus on automation transformed operations; I reduced financial reporting latency from monthly to instantaneous by integrating NetSuite with Power BI and eliminated manual data entry for Salesforce leads using Python, cutting daily processing time by 94%. Furthermore, I drove strategic value by orchestrating a high-integrity migration of 75,000+ records and collaborating on a post-sales scoring algorithm that successfully lowered default rates by 12%.