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Daniel (Juan) Yariguay-Data Analyst

Daniel Yariguay
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Madrid, Spain

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Experience

Mar 2025 - Mar 2025

Data Analyst

Mayerfeld Consulting

Position Summary
Data Analyst at Mayerfeld Consulting
Industries
Professional Services
Business Areas
Business Intelligence
  • Exploratory data analysis and visualization; preparation of technical reports.
  • Active participation in feedback sessions and continuous improvement.
  • Prepared weekly technical reports and presentations.
  • Collaborated on real data analysis projects across different business sectors.
Feb 2025 - Aug 2025

Data Engineer

RockStar Data

Position Summary
Data Engineer at RockStar Data
Industries
Food and Beverage
Information Technology
Business Areas
Business Intelligence
Information Technology
  • Increased operational efficiency and reduced costs.
  • Implemented automated pipelines for insight extraction and anomaly detection.
  • Designed and trained forecasting and classification models applied to real data from clubs and restaurants.
  • Collaborated to translate business needs into scalable technical solutions.
Mar 2024 - Oct 2024

Junior Database Administrator

Oktana Corporation

Position Summary
Junior Database Administrator at Oktana Corporation
Industries
Information Technology
Business Areas
Business Intelligence
Information Technology
  • Maintenance and optimization of SQL systems with security protocols.
  • Optimization of data management for monthly reports.
  • Supported version control, ensuring continuous availability.
Feb 2023 - Nov 2023

Data Analyst Intern

Banco de Crédito BCP

Position Summary
Data Analyst Intern at Banco de Crédito BCP
Industries
Banking and Finance
Business Areas
Business Intelligence
  • Development of Power BI dashboards for different departments.
  • Improved data quality processes, reducing reporting time by 30%.
  • Collection, cleaning, and integration of data from multiple sources.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Banking and Finance, and Food and Beverage.

Information Technology
Banking and Finance
Food and Beverage
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence and Information Technology.

Business Intelligence
Information Technology
Profile match chart

Summary

Data Analyst with training in Data Science and hands-on experience in technical analysis, visualization, data transformation, and project documentation. I have developed solutions with Power BI, SQL, Python, and Machine Learning models. I have applied inferential statistics and predictive models in practical environments. Passionate about turning data into strategic decisions, with a special interest in cloud, artificial intelligence, process automation, and business-oriented data tools. Seeking a Data Analyst/BI or Junior Data Engineer role with business impact.

Languages

Spanish
Native
English
Intermediate
French
Elementary

Education

Oct 2024 - Aug 2025

Complutense University of Madrid (UCM)

Master in Data Science, Big Data & Business Analytics · Data Science, Big Data & Business Analytics · Madrid, Spain

Dec 2023 - Jun 2024

Bolivian Private University (UPB)

Diploma in Machine Learning & Data Science · Machine Learning & Data Science · Bolivia

Mar 2013 - Dec 2018

San Simón University (UMSS)

BSc in Chemical Engineering · Chemical Engineering · Cochabamba, Bolivia

Statistics

Experience

Total positions 4
Experience in Information Technology 1 y
Avg length 6 m
Longest experience 9 m

Expertise

Recent roles Data Analyst, Data Engineer, Junior Database Administrator
Main industries Information Technology, Banking and Finance, Food and Beverage
Main business areas Business Intelligence, Information Technology

Qualifications

Highest degree Master

Profile

Created

Frequently asked questions

Have questions? Find more information here.

Daniel is based in Madrid, Spain.
Daniel speaks the following languages: Spanish (Native), English (Intermediate), French (Elementary).
Daniel has at least 2 years of experience. During this time, Daniel has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 1 year and 6 months. Note that Daniel may not have shared all experience and actually has more experience.
Based on recent experience, Daniel would be well-suited for roles such as: Data Analyst, Data Engineer, Junior Database Administrator.
Daniel's most recent position is Data Analyst at Mayerfeld Consulting.
In recent years, Daniel has worked for Mayerfeld Consulting, RockStar Data, Oktana Corporation, and Banco de Crédito BCP.
Daniel is most experienced in industries like Information Technology, Banking and Finance, and Food and Beverage. Daniel also has some experience in Professional Services.
Daniel is most experienced in business areas like Business Intelligence and Information Technology.
Daniel holds a Master in Data Science, Big Data & Business Analytics from Complutense University of Madrid (UCM), a Bachelor in Machine Learning & Data Science from Bolivian Private University (UPB) and a Bachelor in Chemical Engineering from San Simón University (UMSS).
The availability of Daniel needs to be confirmed.
Daniel's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Daniel, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
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Market avg: 640-800 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.