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CAREER - INTERVIEW - 20200415 - PROXIMUS - data scientist / data analyst…
CAREER - INTERVIEW - 20200415 - PROXIMUS - data scientist / data analyst
Interview scheme
Project context
Quick personal presentation
Questions of Proximus to me
My questions to them
Interviewers
manager: Rik de Leeuw
tech guy: Robin
Interview questions
Could you introduce yourself quickly?
Mathilde
26 y
2.5 y xp
employers : Deloitte & BGFi
*First half - variety of projects - tech / non tech - tech: building reports, data modelling, training for IBM CA at the client side, ... - non tech: Business Intelligence Competency Center creation - Second half - long project - KBC - API development on a software for investment funds calculations - role: functional analyst first, then SPOC, tester and test coordinator
You talked about Cognos Analytics can you explain what it is?
context - Valipac - report creation - tool based on a system of queries - connected to a data modelled - mentioned IBM Framework Manager and DataStage - mentioned report testing - complexity of query aggregation
I see you speek many languages?
yes - personal passion - mother translator - went to school in Dutch
How would you go about our problematic for improving user xp
avoid making client repeat himself - have a dashboard with key KPI of performance of client's wifi - make sure anyone in contact with that user would also view these - try to identify potential global problems in an area if there are (...)
How would you improve data quality
mentioned one of the issues we had at FIS -> zero automatisation of testing - more reactive than proactive - my method : set the standards to achieve and foresee automated testing - avoid having someone being a mailbox for internal clients complain but be proactive instead
What about responsabilities ? Should it be a one person's responsability or shared ?
Ideally situation is to define data owners - in the bank where I was working it was the case as the data is critical - however it is important that everyone is sensitized on data quality importance
(tech question) What are the advantages and disadvantages of Hadoop ?
compatible with a lot of other tools - deals with big data - deals with streaming data
disadvantage?