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MUANO BLESSING MUNYAI

@muanoblessingmunyai

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Results-oriented Data Analyst with strong experience in SQL and Power BI.

South Africa

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What I'm looking for

I am looking for a role that allows me to leverage my data analysis skills in a collaborative environment, focusing on innovative projects that drive business growth.

I am a results-oriented Data Analyst with a strong background in SQL, Power BI, and ETL pipelines. My experience includes developing complex SQL queries and creating dynamic dashboards that provide actionable business insights. I am passionate about using technology to solve real-world problems and have a proven ability to perform in-depth data analysis while maintaining high accuracy in data validation.

Throughout my career, I have successfully designed ranking metrics to identify top revenue-generating cities and created interactive dashboards that visualize customer churn and funding eligibility. My analytical skills have allowed me to uncover significant insights, such as the demographic breakdown of customers, which aids in strategic decision-making. I am committed to data governance and statistical analysis, focusing on data-driven decision-making to enhance business performance.

Experience

Work history, roles, and key accomplishments

SQL & Data Analysis

Customer Insights Project

Jan 2024 - Present (1 year 6 months)

Developed complex SQL queries using CTEs and subqueries to clean and analyze large datasets. Performed data validation checks, maintaining an accuracy threshold of 80% and designed ranking metrics to identify top revenue-generating cities.

SQL Data Analysis Data Validation Query Optimization Data Cleaning

Power BI Dashboard Developer

Bank Churn Analysis

Jan 2023 - Present (2 years 6 months)

Created an interactive dashboard to visualize customer churn and funding eligibility. Used DAX to segment customers by age group, revealing that 64% were youth and 74% were eligible for funding.

Power BI DAX Data Visualization Customer Segmentation Dashboard Design

Excel & Data Cleaning Specialist

Bike Sales Dashboard

Jan 2023 - Present (2 years 6 months)

Cleaned and validated sales data, achieving a 97% data accuracy rate. Analyzed customer behavior, finding that 82% of married and 52% of single individuals purchased bikes.

Excel Data Cleaning Data Validation Sales Data Analysis

Education

Degrees, certifications, and relevant coursework

University of South Africa

Diploma in Information Technology, Information Technology

Currently pursuing a Diploma in Information Technology, focusing on databases and queries. Gaining expertise in SQL, data cleaning, and query optimization.

Tshwane University of Technology

National Diploma Information Technology, Information Technology

Grade: 75% Completed

Completed a National Diploma in Information Technology, with a focus on Database Management, Software Development Life Cycle, and Management Information Systems. Achieved 75% completion.