10/21/2026 updated
100 % available
Data Analyst / Power BI Developer
Houston, USA
Only remote
B.S. Computer Science — University of Buea; Associate Degree, Data Analytics — Impact InstituteData AnalysisData IntegrationMicrosoft Power BISQL DatabasesSalesforce TableauAzure Data FactoryAzure Synapse AnalyticsData Pipeline
Data Analyst with 5 years of experience turning raw operational and healthcare data into trusted reporting. I build SQL-based reporting pipelines, Power BI and Tableau dashboards, and KPI scorecards for finance, revenue-cycle, and operations stakeholders, and I enforce data validation and governance so leadership decides on accurate numbers. Hands-on across the full analytics stack — Power Query and Python cleaning, SQL Server modeling, DAX measures — with a public GitHub portfolio of end-to-end projects.
Recent results: cut manual reporting time 40% by automating recurring report generation; validated and reconciled 1M+ row datasets; improved data quality 28% through systematic QC checks.
Portfolio: https://github.com/tambi99/terrenceretailanalytics
Key skills: Power BI, DAX, Power Query, SQL Server, T-SQL, SSIS, Python, pandas, Tableau, Microsoft Excel, Snowflake, Azure Data Factory, Azure Synapse, Data Modeling, Star Schema, Data Visualization, KPI Dashboards, Data Validation, Data Quality.
Experience
Professional experience5 - 10 years
Freelancer since2026
Languages
EnglishNative speaker
Project history
SQL-based reporting pipelines and Power BI/Tableau dashboards for operations and finance stakeholders; automated recurring reporting (40% reduction in manual reporting time); data validation and governance.
Healthcare claims and revenue-cycle analytics; SQL (CTEs, window functions) queries over 1M+ rows; data-quality checks and reconciliation that improved data quality 28%.