Daniel Y.-Data Analyst
Check rate
Experience
Data Analyst
Mayerfeld Consulting
- 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.
Data Engineer
RockStar Data
- 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.
Junior Database Administrator
Oktana Corporation
- Maintenance and optimization of SQL systems with security protocols.
- Optimization of data management for monthly reports.
- Supported version control, ensuring continuous availability.
Data Analyst Intern
Banco de Crédito BCP
- 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.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence and Information Technology.
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
Education
Complutense University of Madrid (UCM)
Master in Data Science, Big Data & Business Analytics · Data Science, Big Data & Business Analytics · Madrid, Spain
Bolivian Private University (UPB)
Diploma in Machine Learning & Data Science · Machine Learning & Data Science · Bolivia
San Simón University (UMSS)
BSc in Chemical Engineering · Chemical Engineering · Cochabamba, Bolivia
Statistics
Experience
Expertise
Qualifications
Profile
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.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 12 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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