Vincent Chirowodza

Business Analyst,Data Analyst and Business Intelligence Analyst

Talent

Soweto, City of Johannesburg Metropolitan MunicipalityMember since March 7, 2026

PythonSQLRHTML5PandasNumPyScikit-LearnMatplotlibSeabornPower BITableauAlteryxAdvanced ExcelMetabasePySparkRStudioVisual Studio CodePyCharmJupyter NotebookDatabricksAzureAWSBigQuerySnowflakeMySQLPostgreSQLSQL ServerData AnalysisData VisualizationData GovernanceData ModelingETL PipelinesDashboard DevelopmentKPI ReportingBusiness IntelligenceStatistical AnalysisData PipelinesBusiness InsightsPredictive AnalyticsData WarehousingData TransformationStakeholder EngagementBusiness CommunicationData StorytellingCross-functional Collaboration

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PythonSQLRHTML5Pandas

About

Data Analyst and ECBA-certified Business Analyst with 3+ years of experience delivering data-driven insights in aviation operations and business intelligence environments. Proficient in SQL, Python, Power BI, and Tableau, with strong expertise in data cleaning, data transformation, ETL pipelines, and dashboard automation. Proven track record of improving operational efficiency, enhancing data quality, and reducing reporting turnaround time through scalable analytics solutions.

Skilled in data modelling, KPI reporting, and stakeholder engagement to support strategic decision-making. Currently pursuing an MPhil in Information Management at the University of Johannesburg.

Experience

Data Analyst at Qatar Aviation Services (2022-12 – 2025-12)

Delivered data-driven insights and analytics solutions in aviation operations environment

Extracted, processed, and refined datasets from 10+ internal and external sources using SQL and Python (Pandas), improving reporting accuracy by 25%.
Analysed operational performance metrics using Python, Excel, and Power BI, identifying inefficiencies and driving process improvements that increased efficiency by 15%.
Collaborated with cross-functional stakeholders to gather requirements and deliver data-driven solutions using Power BI dashboards and SQL queries, reducing decision turnaround time by 30%.
Designed and maintained data models using SQL Server and Snowflake, supporting KPI tracking, forecasting, and business intelligence reporting.
Implemented and automated data validation rules and ETL pipelines using Python, Alteryx, and PySpark, improving data consistency and completeness by 20%.
Integrated and consolidated datasets from databases, spreadsheets, and third-party systems using SQL, Excel, and ETL tools, reducing data preparation time by 35%.
Designed and delivered interactive dashboards for 50+ stakeholders using Power BI and Tableau, enhancing operational visibility and enforcing secure access controls.