mostafa Moeini

• Collect and consolidate data from many internal and external sources (HubSpot, Stripe, Aircall, Jira, internal platforms,...) via Python scripts, REST APIs, and no-code tools (Skyvia) • Build and maintain a central PostgreSQL data warehouse, integrating data across all source systems • Clean, standardize, and model data, designing semantic models and complex views to define business KPIs • Develop and orchestrate ETL/ELT pipelines, using dbt for transformation, testing, and documentation • Build a

• Prepared, cleaned, and modeled data from multiple sources. • Built interactive Power BI dashboards supporting Finance, Product, Operations, and Customer Support teams. • Developed data transformations using Power Query, calculated columns, calculated tables, and DAX measures to support analytical reporting. • Investigate and resolve data discrepancies to root cause, then convert each finding into a permanent test — materially reducing recurring reconciliation issues between source systems and re

IT and Tech - Data fundamentals

- Provided support and maintenance for Oracle databases and connected applications, resolving issues and ensuring data availability for internal teams - Wrote and ran SQL queries to retrieve, validate, and update data in response to business and operational requests - Investigated and resolved data discrepancies, tracing issues to their root cause and correcting records - Generated routine and ad-hoc reports for internal teams from the Oracle database - Supported data loads, imports/exports, and bac