Position: BI developer (QlikView, Apache NiFi)
Category: Data Science
English level: intermediate
Years of experience: 5

* Decreasing the speed of calculation of two dashboards from 7-10 to 3-5 hours (by optimizing the loading script).
* Increasing the stability of the company's main dashboard (by switching to other data sources);
* Increasing of speed the work of dashboard s (by optimizing the structure of internal tables).
* Development of ELT/ETL-processes using Apache NiFi;
* Development, maintenance and optimization of QlikView dashboards;
* DBMS: MS SQL 6.5-2012, InterBase, Access, FoxPro;
* BI: SSRS, SSIS, SSAS;
* report generators: MS SSRS, FastReport, QuickReport.