WN

Open to opportunities

Winnie Ngamau

@winniengamau

Detail-oriented Data Analyst specializing in Power BI, Excel, SQL, and Python.

What I'm looking for

I'm seeking a data analyst role where I can apply Power BI, Excel, SQL, and Python to drive financial insights, build dashboards, automate reporting, and support data-driven decision-making.

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

NN

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.

Power BI Excel Power Query SQL Python Data Cleaning Financial Analysis Dashboarding Reporting

Education

Degrees, certifications, and relevant coursework

AA

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.

KU

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.

UD

Udemy

Certificate, Data Science

2022 - 2023

Completed online Data Science training on Udemy covering data science fundamentals and practical exercises.

Tech stack

Software and tools used professionally

GitHub

Gmail

SQL

Availability

Open to opportunities

Location

Kenya

Authorized to work in

Portfolio

github.com/Winnie-prog

Job categories

Data Analyst Business Intelligence Analyst Financial Analyst Reporting Analyst Director Of Records Management Data Visualization Engineer Data Quality Analyst Data Science Analyst Data Analytics Specialist

Skills

Excel Power BI SQL Python Power Query Data Cleaning Data Visualization Dashboard Development Reporting Financial Analytics Data Modeling Data Quality Assurance Records Management Pivot Tables GitHub Gmail Automation

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Winnie Ngamau - Data Analyst - National Social Security Fund (NSSF) | Himalayas