Omar Helwani Meler

data scientist / data engineer

Barcelona, España

  • 41.3828
  • 2.1774
  • Tarifa aproximada 400€ / día
  • Experiencia 2-7 años
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Omar en pocas palabras

I'm a Data Scientist passioned about Data and extracting all the information hidden within.

I started working as SQL developer, and through the years I've moved to ETL Developer, BI Developer and Data Scientist.

I have several years of experience working with :

· Python (Scripting, Data Engineering, Data Science, Machine Learning and Deep Learning [Computer Vision, Natural Language Processing])

· SQL ( Advanced Level, including PL-SQL scripting and Database tunning and design)

· Business Intelligence (Tableau, Qlik View / Qlik Sense, and MicroStrategy)

· Scala ( Distributed computing using EMR of AWS)


noviembre de 2018 - Hoy | Castelldefels, España

Sector agroalimentario


Data Scientist

· Integrate Google Earth Engine information in our data processes.
· Asses and improve Hemav's prediction systems
· Perform ad-hoc analysis for short term needs.
marzo de 2018 - noviembre de 2018 | Barcelona, España



Data Engineer

· Create a tracking system of changes in database information (Slow Changing Dimensions)
· Create and design database model and Qlik Sense reports for behavioral data.
· Integration of legacy sales system with the current one, and show information in Qlik Sense report.
mayo de 2017 - marzo de 2018 | Barcelona, España

Agencias de subcontratación


ETL Developer

· Implement Data Quality processes
· Integrate new data sources
· Improve ODI loading times by 30 %
noviembre de 2015 - mayo de 2017 | Barcelona, España

Viajes & turismo

eDreams ODIGEO

BI Analyst

· Create a new Qlikview Model to improve mobile usage and conversion
· Improve web activity tracking MicroStrategy report and its database components.
· Reduce by 50 % the time taken to perform daily loads maintenance tasks.
octubre de 2014 - junio de 2015 | Barcelona, España

Consejo & auditoría


Solutions Assistant

· Apply improvements in the ETL logic of a Bank Risk Datamart
· Enhance the Datamart structure to implement MicroStrategy
· Design of first performance reports using MicroStrategy


  • Business and Technology Degree

    Universitat Autònoma de Barcelona


    Business & Technology (Empresa y Tecnología) is a specialization of the Business Administration degree focused on the management of the Information Systems that are present in nowadays enterprises.



  • Español

    Bilingüe o nativo

  • Catalán

    Bilingüe o nativo

  • Inglés

    Competencia profesional completa

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