Mary-Jane Martins
@mary-janemartins
Detail-oriented Data Operations Officer skilled in data integrity, visualization, and operational analytics.
NigeriaWhat I'm looking for
I am a detail-oriented Data Operations Officer with hands-on experience managing operational data, ensuring data integrity, and delivering insights to leadership. I build interactive Power BI dashboards and use Excel and SQL to track KPIs, identify inconsistencies, and drive process improvements.
Currently completing the Google Data Analytics Professional Certificate, I combine business research and data storytelling to inform strategic decision-making. I have presented recommendations to directors and contributed to operational efficiency through targeted analysis and visualization.
Experience
Work history, roles, and key accomplishments
Data Operations Officer
Idootech
Oct 2025 - Present (5 months)
Manage and verify operational data to ensure high data integrity and produce management reports; developed Power BI dashboards and presented data-driven recommendations to leadership to streamline workflows.
Education
Degrees, certifications, and relevant coursework
Coursera (Google Data Analytics Professional Certificate)
Professional Certificate, Data Analytics
In-progress professional certificate covering data cleaning, visualization, SQL, Excel, Tableau, R, and data-driven decision-making.
Vines Computer School and ICT Solutions
Certificate, Data Analytics
Completed a hands-on data analytics course focused on Excel, Power BI, SQL, and R in 2025.
Availability
Location
NigeriaAuthorized to work in
Salary expectations
Job categories
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