
Langa M
Power BI KPI Dashboard Developer , Automation , Data Visualization
Kompetenzen

Meine Dienstleistungen


Portfolio
Arbeitserfahrung
Freelancer - Data Engineer
Upwork • Teilzeit
Feb 2024 - Present • 2 yrs 3 mos
Data Analytics & Business Intelligence Consultant • Power BI & Tableau Dashboard Development – Interactive KPI dashboards and executive reporting – Advanced data visualization and drill-down analytics – Clean, intuitive dashboard design for decision-makers • Data Integration & Connectivity – Excel, Google Sheets, APIs, and third-party data connectors – Multi-source data integration for unified reporting – Solutions adaptable to any industry • Automation & Reporting Workflows – Automated reporting pipelines – Workflow automation using tools like Zapier – Reduced manual data preparation and reporting time • Azure & Cloud Data Platforms – Azure Synapse Analytics – Databricks – Power BI ecosystem • Big Data Technologies – Apache Spark (Scala) – MongoDB – Cassandra • Predictive Analytics & Machine Learning – Supervised and unsupervised machine learning models – IBM SPSS Modeler – Python, R, Scala • Enterprise Data Modeling – Relational and dimensional data modeling – Star schema design for data warehouses and data marts • Technical Writing & Proofreading – Clear documentation for analytics solutions – Business-ready reports and data insights
Enterprise Data Modeler
Private • Vollzeit
Jan 2015 - Dec 2019 • 4 yrs 11 mos
• Designed, developed, and maintained complex relational and dimensional enterprise data models, including star schema designs, supporting operational systems, enterprise data warehouses, and data marts to enable scalable analytics and reporting. • Served as the Lead Data Modeler for the Data Warehouse environment, providing guidance and mentorship to junior data modelers while establishing data modeling standards, best practices, and governance across projects.