About Mariam Olatunji | Contra Mariam Olatunji

Mariam Olatunji

Mariam Olatunji

Data Analyst | Leveraging Data to uncover Insights.

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Lagos, Nigeria

Work Services About

Lagos, Nigeria

Meet Mariam

I'm Mariam, a Data Analyst with over 1 year experience helping businesses turn messy data into clear insights. I clean chaotic spreadsheets, build interactive dashboards, and automate repetitive reports using Excel, SQL, Power BI, Google Sheet & Python. Result? my clients make smarter, faster decision and save hours weekly on manual data tasks.

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Rate

$25 - $50/hr

Skills and tools

Data Analyst Data Visualizer Database Administrator Database Specialist UI Designer Financial Analyst

Microsoft Power BI

Microsoft Excel

Details

Lagos, Nigeria

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For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Hackathons Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

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