Zainab Ojo
@zainabojo
Data Analyst and BI developer turning SQL and Power BI into decisions.
NigeriaWhat I'm looking for
I’ve been transforming raw data into actionable insight for GTCO since May 2023, collecting and analyzing data from multiple sources to deliver regulatory, financial, and operational reports that improved compliance and decision-making.
I build interactive dashboards and reports in Power BI and SSRS so executives can monitor KPIs and track performance. I also design and optimize SQL queries, joins, views, and stored procedures, and automate recurring reporting workflows with Python and SQL scripts.
Before that, at Bluechip Technologies, I set up data ingestion workflows into a Hive data warehouse, summarized millions of records with HiveQL, and scheduled report distribution using Oracle Analytics Server—plus built Power BI report builder outputs and even a classification model for a marketing campaign.
Experience
Work history, roles, and key accomplishments
Data Analyst / Business Intelligence Developer
Guaranty Trust Holding Company (GTCO)
May 2023 - Present (3 years 3 months)
Collected, cleaned, and analyzed data from multiple sources, delivering regulatory, financial, and operational reports. Developed interactive dashboards in Power BI and SSRS, and optimized SQL queries for data extraction.
Business Intelligence Analyst
Bluechip Technologies Limited
Aug 2022 - Mar 2023 (7 months)
Developed data ingestion workflows and integrated ERP data into Hive data warehouse. Created reports and dashboards using Power BI and Oracle Analytics Server.
Administrative Assistant
Nigeria Football Federation (NFF)
Oct 2019 - Jul 2022 (2 years 9 months)
Supported administrative workflow, record keeping, and document management. Analyzed cooperative member accounts and handled cooperative affairs.
NYSC Intern
Nigeria Football Federation (NFF)
Dec 2018 - Oct 2019 (10 months)
Supported basic operations and administrative functions including record keeping and document management.
Presiding Officer
Independent National Electoral Commission (INEC)
Feb 2019 - Mar 2019 (1 month)
Managed voter verification and statistical reporting at polling unit, ensuring proper registration and eligibility.
Member, Environmental Protection CDS Group
NYSC Environmental Protection & Sanitation CDS Group
Jan 2018 - Jan 2019 (1 year)
Organized meetings, educated community on environmental practices, and created awareness campaigns on waste management.
Education
Degrees, certifications, and relevant coursework
University of Ilorin
Bachelor of Science, Statistics
2014 - 2018
Grade: Second Class Upper
Bachelor of Science in Statistics with Second Class Upper honors.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Job categories
Skills
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