Freelancer profile translated to English.
Back to original languageAbout Hans
With over 25 years of experience, I have worked with many programming languages, from C and Natstar, through Java and HTML5.
I have created web pages using a text editor, but also using tools like Prestashop.
I have been in the backend, communicating with all kinds of databases. From Sybase and Oracle to Access, MySQL, and SQL Server.
I have created an open-source tool that I continue to maintain in Python. It is a tool for SEO development that uses the Schema.org ontology.
Recently, I have created two SQL Server databases for a client in the marketing audit area. One database was fully normalized to ensure data integrity. The other database was fully denormalized to optimize performance for presenting information (using Klipfolio) to clients.
I have worked for years in the financial sector for multiple banks. I have worked for years in the distribution sector for a multinational company. I have worked for years for a Dutch client in the insurance sector, creating an Excel sheet with VBA for financial planning for clients... and more.
Dutch
Native or bilingual
English
Native or bilingual
Spanish
Fluent
Remote only
Primarily works remotely
Experience
- RC Proyecta e Inspira, SL
On Malt
ProgrammingNovember 2024 - November 2024 (1 month)Candeleda, EspañaAnalysis and improvement of an Excel sheet. - MicrowdProgrammer AnalystAugust 2024 - August 2024Candeleda, EspañaGet data online and transform it into Google Sheet.
- AGUAS DANONEData Extraction - MS ExcelJanuary 2024 - March 2024 (2 months)Candeleda, EspañaThis project was short-lived. I had to analyze data using formulas and pivot tables, and create a report using VBA code.The first solution worked but was very slow because Excel tables take time. I was able to optimize the Excel workbook by 99% by moving the data out of the tables while the data was being processed.
Reviews
AD
Account deleted
Reviewed on 8/20/2024
It has been SPECTACULAR working with Hans.
Sara
SARA SANCHEZ DIAZ
Reviewed on 7/4/2023
Working with Hans has been very easy and he has done an excellent job. He is serious, efficient, committed to deadlines, and very friendly. A great professional, highly recommended.
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Education
- Drs. (Licenciado), Cognitieve Kunstmatige IntelligentieUniversiteit Utrecht1995Drs. (Licenciado), Cognitieve Kunstmatige Intelligentie
- Culinary Arts/Chef TrainingEscuela de Hostelería del Sur2009Culinary Arts/Chef Training