Sandile M.
Gaborone,ย Botswana
100%
Job Success
Microsoft Power Bi Developer
$35.00/hr
๐๐ฆ๐๐ฟ๐๐ด๐ด๐น๐ถ๐ป๐ด ๐๐ถ๐๐ต ๐๐น๐ผ๐, ๐ฐ๐น๐๐๐๐ฒ๐ฟ๐ฒ๐ฑ ๐ฑ๐ฎ๐๐ต๐ฏ๐ผ๐ฎ๐ฟ๐ฑ๐ ๐ข๐ฅ ๐ง๐ถ๐ฟ๐ฒ๐ฑ ๐ผ๐ณ ๐๐๐ซ ๐ณ๐ผ๐ฟ๐บ๐๐น๐ฎ๐ ๐ฏ๐ฟ๐ฒ๐ฎ๐ธ๐ถ๐ป๐ด ๐๐ผ๐๐ฟ ๐ฟ๐ฒ๐ฝ๐ผ๐ฟ๐๐? Iโm Sandile - a Microsoft Power BI Developer specializing in turning complex data into clear, actionable dashboards that drive smarter business decisions. With a ๐๐ถ๐ฟ๐๐-๐๐น๐ฎ๐๐ ๐๐ผ๐ป๐ผ๐๐ฟ๐ ๐ฑ๐ฒ๐ด๐ฟ๐ฒ๐ฒ in Business Intelligence and hands-on experience delivering high-impact BI solutions for organizations like First National Bank of Botswana, Iโm here to help you unlock the full potential of your dataโquickly, cost-effectively, and with zero headaches.
๐ช๐ต๐ ๐๐น๐ถ๐ฒ๐ป๐๐ ๐ช๐ผ๐ฟ๐ธ ๐ช๐ถ๐๐ต ๐ ๐ฒ (๐ฎ๐ป๐ฑ ๐๐ฒ๐ฒ๐ฝ ๐๐ผ๐บ๐ถ๐ป๐ด ๐๐ฎ๐ฐ๐ธ):
๐ ๐ฐ ๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐: Slow dashboards? Confusing data models? Inaccurate reports? I fix them.
๐ก ๐ฐ ๐๐๐๐๐ ๐๐ ๐๐๐๐ ๐น๐ถ๐ฐ: My dashboards arenโt just prettyโtheyโre built to save you time, reduce costs, and answer your toughest business questions.
โฑ๏ธ ๐ญ๐๐๐, ๐๐๐๐๐๐๐๐๐ ๐
๐๐๐๐๐๐๐: I prioritize delivering value fast so you see results sooner.
๐ค ๐ต๐ ๐๐๐๐๐๐, ๐๐๐๐ ๐๐๐๐๐๐๐: I translate technical details into plain language so you stay informed and in control.
๐๐ผ๐ ๐ ๐๐ฒ๐น๐ฝ ๐๐น๐ถ๐ฒ๐ป๐๐ ๐๐ถ๐ธ๐ฒ ๐ฌ๐ผ๐
Specialized Power BI Services
โ
Dashboard Optimization
- Fix slow, cluttered reports and rebuild them for speed and usability.
- Optimize DAX formulas and data models to reduce load times by up to 70%.
โ
Data Storytelling & Visualization
- Design intuitive, user-friendly dashboards that highlight key metrics at a glance.
- Replace confusing charts with visuals that stakeholders actually understand.
โ
End-to-End BI Solutions
- Build automated ETL pipelines (SQL, Power Query) to keep your data fresh and accurate.
- Create scalable data warehouses in Microsoft SQL Server or Azure.
โ
Troubleshooting & Support
- Debug broken DAX calculations, resolve data discrepancies, and improve report performance.
- Train your team on best practices for maintaining dashboards long-term.
๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐ฆ๐ธ๐ถ๐น๐น๐
What I Do -->Tools I Use
1๏ธโฃ Dashboard Development: Power BI, DAX, Power Query, Power BI Report Builder
2๏ธโฃ Data Engineering: SQL Server, SSIS, T-SQL, Python (ETL automation)
3๏ธโฃ Data Modeling: Star schema design, performance optimization, aggregation techniques
4๏ธโฃ Collaboration & Delivery: GitHub, Azure DevOps, Agile workflows
๐ช๐ต๐ ๐๐น๐ถ๐ฒ๐ป๐๐ ๐ง๐ฟ๐๐๐ ๐ ๐ฒ
๐น Proven Results:
๐น Certifications & Education:
๐น Client Love ๐
โญโญโญโญโญ
"Very knowledgeable in data analytics. Has completed multiple projects successfully. Highly recommend... A+++++"
๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐:
Power BI Developer, Dashboard Design, DAX Expert, Data Visualization, Business Intelligence, ETL, SQL, Azure, Financial Reporting, Healthcare Analytics
Work history
Work history
Power BI Expert| Business Intelligence Analyst
Aug 24, 2024
-
Jan 26, 2025
"Very knowledgeable in data analytics. Has completed multiple projects successfully. Highly recommend... A+++++"
Private earnings
Nursing research on best therapies for pain manage
Mar 17, 2024
-
Jun 7, 2024
No feedback given
Private earnings
Strategy and Operations Case: SQL and Strong Consulting Experience Required
Apr 21, 2024
-
Apr 22, 2024
"Worked with me for half a day; was easy to communicate with and had a great grasp of the instructions."
Private earnings
Nursing research
Feb 19, 2023
-
Mar 8, 2024
Private earnings
Critical analysis of codes
Mar 25, 2023
-
Apr 7, 2023
"He did well,humble and coorperative.He always explained why he responded late to messages.Knows his work,i recommed him to anyone who needs a freelancer for their work.Keep it up Sandile"
Private earnings
Data Analyst/Virtual Assistant
Aug 8, 2022
-
Aug 16, 2022
No feedback given
Private earnings
Gaborone-Botswana- Document Authentication-ABH
Jul 29, 2022
-
Aug 13, 2022
No feedback given
Private earnings
Data Analyst | PowerBI | Visualization Expert
Jun 12, 2022
-
Jun 24, 2022
"Sandile is very skilled and knowledgeable. Unfortunately in my case, he did not have the work experience or business savvy to grasp the concept of the projects I gave himโฆ
Private earnings
Gaborone-Botswana- Document Authentication
May 16, 2022
-
May 24, 2022
"Freelancer was much effective in communication. Excellent work."
Private earnings
Data Entry, Web Research and Data Mining
Jan 15, 2022
-
Feb 1, 2022
Private earnings
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Skills
Skills
- Microsoft Power BI
- Data Visualization
- Microsoft SQL Server
- SQL Programming
- Business Intelligence
- Data Modeling
- Data Integration
- Data Migration
- Data Cleaning
- Microsoft Power BI Development
- Data Analysis Expressions