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$
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I will be your personal data analytics and visualization expert
Md.Wahiduzzaman
About this gig
Hi! I am wahid-uz-zaman.
Are raw datasets hiding critical business insights? I transform complex, scattered data into visually compelling, interactive Power BI dashboards that drive actionable business decisions.
Whether you need to monitor revenue growth, analyze customer demographics, or track product performance, I deliver clean, fast, and user-friendly analytical solutions.
What I Offer
- Data Integration & Transformation: Connecting SQL, Excel, CSV; automated data cleaning via Power Query.
- Advanced Data Modeling: Robust relational models (Star/Snowflake schemas) and dynamic DAX measures for complex calculations.
- Custom Interactive Dashboards: Multi-page reports featuring executive overviews, customer analysis, product trends, and regional sales metrics.
- Sleek UI/UX Design: Modern, minimalist layout design optimized for clear data consumption and presentation.
- Bug Fixing & Optimization: Resolving broken DAX, improving query performance, and refreshing existing reports.
Why Choose Me?
- Analytical problem-solving.
- Proven track record in structuring large-scale sales, order, and customer datasets.
Get to know Md.Wahiduzzaman
Md.Wahiduzzaman
Data Analyst
- FromBangladesh
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Bengali, English, Hindi
Data Analyst specializing in Power BI, SQL, Excel, Power Query, Power Pivot, and DAX, with an academic background in Physics. Skilled in transforming raw datasets into interactive dashboards, KPI frameworks, and actionable business insights through data cleaning, transformation, modeling, and analytical reporting. Experienced in analyzing large-scale sales and customer datasets to evaluate revenue performance, customer activity, product trends, and business KPIs. Focused on Business Intelligence, Data Analytics, and data-driven decision support.
My Portfolio
FAQ
What do I need to provide to get started?
Please provide your source data (Excel, CSV, SQL database access, etc.) along with a brief outline of the KPIs or metrics you want to track.
Can you work with dynamic or custom color themes?
Yes, I can align the dashboard styling with your brand colors, website palette, or custom UI guidelines.
Will the dashboard automatically update when new data is added?
Absolutely. I set up data models so that adding new rows or refreshing the source automatically updates all visuals and KPIs.
