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Senior ETL Developer with at least 4 years experience is required for a large healthcare company based in JHB East.



  • BSc Information Science;
  • Post grad or other courses in data warehousing/ETL – essential;
  • Minimum 4 years data warehousing/ETL experience;
  • 4 years practical data warehouse development life cycle experience;
  • 4 years SQL programming experience;
  • Practical experience in trouble shooting in Oracle warehouse builder/other ETL design tool – essential
  • Practical experience in Oracle database/other mainstream relational database – essential 
  • Knowledge of Informatica& Oracle Warehouse builder – essential;
  • Dimensional data modeling and design understanding – essential;
  • ETL development knowledge – essential;
  • Understanding of BI reporting tools – desirable;
  • Knowledge of data warehouse appliances – desirable;
  • Knowledge of methodologies underlying data warehouse development.
  • Research, analysis & implementation skills;
  • Analytical and development skills;
  • Communication skills;
  • Interpersonal skills
  • Travelling may be required



  • To develop and maintain new and existing data marts and ETL processes which enable the acquisition of source system data into the CDW.
  • To ensure integrity of data from the source systems into the respective marts in the CDW to support the accuracy of the reporting from the CDW.
  • To develop new functionality in order to support the broader stakeholder business intelligence requirements
  • To assist in the development and maintenance of business intelligence back end processes in order to provide the foundation for data transformations, data cleansing and data aggregation.
  • To assist with data aggregation in order to optimize performance and improve the end user experience.
  • To support the collection, integration and transformation of large volumes of data with data structures ranging from simple to highly complex in order to process the laboratory information.
  • To utilize methods in the data integration environment that maximise speed, flexibility and effectiveness when building, deploying and updating.
  • To liaise with users, analysts and support staff in order to maximise the efficiencies of the CDW team.
  • To collaborate or actively test new development to ensure accuracy of information.


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