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I will do sql data analysis and data cleaning for business reports
Power BI and Tableau Dashboard Developer, SQL Analyst, Certified BI Engineer
BI Engineer with 2.5+ years building Power BI and Tableau dashboards for enterprise clients in banking, pharmaceuticals and UK social housing. I've delivered 200+ production reports, cut dashboard loa...
About this Gig
Have data in a database but no clear answers?
I'm Talha, a BI Engineer who writes SQL every day on large enterprise datasets for banking, pharmaceutical and UK social housing clients. I'll clean your data, write the queries and give you results you can act on.
What I can do
- SQL queries, joins, CTEs and window functions
- PostgreSQL, MySQL and SQL Server
- Data cleaning: duplicates, missing values, formats, merging files
- Excel analysis with Power Query and pivot tables
- Python (pandas) for large or messy files
- Written insights summary with charts
You receive
- Clean dataset and results file
- Documented SQL/Python you can re-run
- Plain-English summary of findings
Why clients choose me
- I validate every result against the source
- Reusable, commented queries
- Fast replies and on-time delivery
Not sure what you need? Send a sample and your question, and I'll suggest the right package.
FAQ
What do you need from me to start?
Your data file(s) or database access details, plus the questions you want answered. A small anonymised sample is fine for a quote.
Which databases do you work with?
PostgreSQL, MySQL, SQL Server and cloud warehouses. I can also work directly with Excel, CSV and Google Sheets files.
Do you deliver the SQL queries too?
Yes. You get the cleaned data, the results, and the documented SQL or Python code so you can re-run it.
Will my data remain confidential?
Yes. Your data is only used for your project and deleted after delivery. I am happy to sign an NDA.
