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Shakera Khandaker Sahee

Data Analyst

Power BI & Reporting: Power BI (DAX Power Query Data Modeling) Looker Studio IBM Cognos

About Me

I’m a passionate Data Analyst and BI Developer with hands-on experience turning raw data into meaningful insights. I specialize in designing interactive dashboards, building ETL pipelines, and creating data models that drive informed business decisions. My expertise includes Power BI (DAX, Power Query), SQL, and Python, along with strong skills in data validation and trend analysis.

Experience

Data Engineer

Walton Hi-Tech Industries PLC

June 2023 – Present

• Designed and deployed ETL pipelines using Airflow and Dataflow for both structured and unstructured data.

• Built interactive dashboards visualizing KPIs and trends for clients using Python (Dash) and Looker Studio.

• Conducted data quality audits

resolving discrepancies to maintain 99% data accuracy.

• Collaborated with international teams to ensure data solutions aligned with business goals and timelines.

• Optimized SQL queries and workflows

reducing data processing times significantly.

Data Analyst

Walton Hi-Tech Industries PLC

Oct 2020 – May 2023

• Developed Power BI dashboards that reduced reporting time by 50% and enhanced executive decision-making.

• Implemented and maintained PostgreSQL schemas with role-based access control (RBAC) for secure data

handling.

• Automated SQL reports and streamlined reporting workflows

improving efficiency across departments.

• Provided actionable insights to stakeholders by analyzing trends

anomalies

and root causes.

Education

Mawlana Bhashani Science and Technology University

BSc in ICT

Feb 2015 – Jan 2020

• CGPA: 3.8/4.0

Certifications:

• Power BI Professional Certificate - Microsoft

• IBM Data Analyst Professional Certificate - Coursera

• Data Science & Machine Learning with Python - Ostad

• SQL for Data Science - Coursera

Expertise

Top Skills

Power BI & Reporting: Power BI (DAX

79%

Power Query

70%

Data Modeling)

70%

Looker Studio

94%

IBM Cognos

70%

All Skills

Power BI & Reporting: Power BI (DAX Power Query Data Modeling) Looker Studio IBM Cognos Dash/Plotly • Databases & ETL: PostgreSQL MySQL Oracle BigQuery CloudSQL Airflow Dataflow • Analytics & Automation: Python (pandas numpy matplotlib) SQL scripting Stored Procedures Data Mining • Statistics & ML: Regression Classification Time Series Clustering PCA SMOTE • Soft Skills: Stakeholder Communication Problem Solving Strategic Thinking Remote Collaboration

Portfolio

Github

Project

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