t
tahsina26

Tahsina K

@tahsina26

Business Analyst

Vereinigte Staaten
Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Hi, I’m a Business Analyst with 4+ years of experience in HR and healthcare data analytics. I specialize in data quality, UAT testing, and dashboard validation. I work with SQL, Excel, and Power BI to clean, validate, and analyze large datasets, ensuring accurate KPIs and reporting. I deliver reliable, high-quality data solutions for better business decisions.... Mehr lesen

Kompetenzen

t
tahsina26
Tahsina K
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Datenbereinigung
I will do excel data cleaning, data validation and formatting
Ab15 $ / ProjektWeitere Details

Arbeitserfahrung

Abbott

Business Analyst – Data Quality Assurance & UAT

Abbott • Vollzeit

Sep 2021 - Present • 4 yrs 8 mos

• Performed data cleansing and transformation for Power BI reporting and analytics • Worked with SQL (MySQL, SQL Server) and Excel for data validation and analysis • Led Tableau to Power BI migration ensuring KPI accuracy and business logic alignment • Developed and validated Power BI dashboards, reports, and data models • Used DAX and Power Query for data transformation and calculations • Conducted UAT testing before production release ensuring data accuracy • Validated data across data warehouses, data marts, and reporting layers • Collaborated with stakeholders including project managers and architects • Performed SQL-based data reconciliation ensuring consistency across systems • Worked with Azure Data Lake (ADLS), storage access validation, and log monitoring • Tested Gen AI chatbot for response accuracy, business relevance, and HR data alignment

AT&T

ETL Developer (Data Engineering)

AT&T • Vollzeit

Nov 2020 - Jul 2021 • 8 mos

Worked on ETL data pipelines using Apache NiFi to process and integrate customer data. Performed SQL-based data extraction, transformation, and validation to ensure data accuracy and consistency. Created Grafana dashboards to monitor ETL pipeline performance and customer data flow. Supported data quality checks and troubleshooting for data pipeline and reporting issues. Collaborated with cross-functional teams to improve data reliability and support business reporting needs.