Winnie Ngamau
@winniengamau
Detail-oriented Data Analyst specializing in Power BI, Excel, SQL, and Python.
What I'm looking for
I am a detail-oriented Data Analyst who transforms raw datasets into actionable business insights using Power BI, Excel, SQL, and Python. At NSSF I managed and analyzed financial records, developed dashboards for trend analysis, cleaned and validated large datasets, and automated payroll and claims processes to improve accuracy and efficiency.
I enjoy bridging data and business strategy, providing audit and compliance teams with reliable insights, and building interactive dashboards and automation solutions. My projects—hosted on GitHub—showcase HR analytics, COVID-19 SQL analysis, and advanced Excel dashboards and formula work.
Experience
Work history, roles, and key accomplishments
Data Analyst
National Social Security Fund (NSSF)
Feb 2023 - Nov 2023 (9 months)
Managed and analyzed financial member contributions and payouts, developing Power BI dashboards to support decision-making and improve data accuracy; automated payroll and claims processes using Excel and Power Query.
Education
Degrees, certifications, and relevant coursework
ALX (ALX Africa)
Certificate, Data Analytics
Completed a Data Analytics certification at ALX in 2024 focused on practical skills in Excel, SQL, Power BI, and Python.
Kenyatta University
Bachelor of Science, Records Management & Information Technology
2019 - 2023
Completed a Bachelor of Science in Records Management & Information Technology at Kenyatta University, focusing on records and information systems.
Udemy
Certificate, Data Science
2022 - 2023
Completed online Data Science training on Udemy covering data science fundamentals and practical exercises.
Availability
Location
Authorized to work in
Portfolio
github.com/Winnie-progJob categories
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