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Antonio (Samuel) Cantarero Malagón

Data Analyst Intern

Antonio Cantarero Malagón
Granada, Spain

Experience

Jun 2025 - Jul 2025
2 months

Data Analyst Intern

Uptrail

  • Awarded Certificate of Excellence and a letter of recommendation for outstanding technical and professional skills.
  • Completed a project-based internship simulating a professional data analyst role.
  • Applied Python, SQL, Power BI, and Tableau to real-world datasets, delivering insights.
  • Performed data cleaning, feature engineering, and exploratory analysis to identify trends.
  • Built a churn prediction model and a KPI dashboard in Tableau.
Apr 2025 - Oct 2025
7 months

Juris Assistant

Denga

  • Developed an AI-powered legal assistant that automates the search, extraction, and summarization of public court rulings using Django, Selenium, and large language models.
Mar 2025 - Jun 2025
4 months

Junior Full-Stack Developer

MEDAC

  • Developed robust web scraping solutions using Python, BeautifulSoup, and Selenium.
  • Managed SQL queries and optimized data processes within relational databases, primarily MySQL.
  • Integrated third-party Python libraries effectively within Django-based data pipelines.
Jan 2021 - Present
5 years 1 month

AI Data Annotation Specialist

Appen, RWS, Telus

  • AI data annotation and evaluation specialist.
  • Contributed to improving the performance and reliability of machine learning models.
  • Supported AI systems with scientific insight through a PhD in Chemistry.
  • Labeled, categorized, and validated multilingual data (text, images, audio, maps).
  • Ensured data integrity, accuracy, and consistency for AI training and research.
  • Collaborated remotely with international, multidisciplinary teams.
Jan 2011 - Present
15 years 1 month

Research Technician

University of Granada

  • Led laboratory operations specializing in mass spectrometry and chromatography, managing advanced analytical instruments.
  • Conducted comprehensive data analysis across biological, environmental, and pharmaceutical research domains.
  • Provided analytical expertise to over 30 research groups and actively participated in more than 10 funded projects.
  • Co-authored over 40 peer-reviewed scientific publications across multidisciplinary fields.
  • Taught specialized master's courses in analytical chemistry for over 15 years.
Jul 2010 - Jan 2011
7 months

Head of Chromatography and Metals Departments

Denga

  • Supervised two analytical departments and validated methodologies under ISO 17025.
  • Managed publicly funded R&D projects ensuring regulatory compliance.
Jul 2009 - Jul 2010
1 year 1 month

Research Scientist

Denga

  • Developed analytical techniques for pesticide determination in environmental samples via mass spectrometry.
Jan 2004 - May 2009
5 years 5 months

PhD Fellowship

CEPSA

  • Conducted environmental analytics and surfactant behavior studies.

Summary

Now transitioning into the tech industry, applying solid expertise in Python, SQL, full-stack development, data science, data engineering, and machine learning.

Employed as a Research Technician, I am actively seeking part-time and remote opportunities in the tech sector, while remaining open to future full-time roles.

I combine scientific rigor and technical versatility with a strong commitment to continuous learning and a recent professional letter of recommendation—well-suited for innovative, data-driven environments.

Skills

Programming & Scripting

  • Python, Java, Javascript, Php, Sql, Mongo, Html, Css, Markdown, Json, Yaml.

Data Science & Machine Learning

  • Pandas, Numpy, Scikit-learn, Pytorch, Generative Ai, Machine Learning, Data Analysis, Data Engineering, Nlp, Rag.

Visualization & Bi

  • Power Bi, Tableau.

Frameworks & Libraries

  • Pandas, Numpy, Matplotlib, Seaborn, Plotly, Django, Beautifulsoup, Selenium, Fastapi.

Cloud & Devops

  • Aws, Docker, Git, Github, Gitlab, Ci/cd, Linux, Virtualenv, Conda.

Web Development

  • Full-stack Development, Web Scraping, Responsive Ui, Ux Design.

Others

  • University Teaching, Technical Writing, Chemistry.

Languages

Spanish
Native
English
Advanced

Education

Apr 2025 - Jun 2025

Evolve

Master Data Science and Artificial Intelligence · Data Science and Artificial Intelligence

Sep 2023 - Jun 2025

MEDAC

Higher Technician in Web Application Development (DAW) · Web Application Development · 10/10

Aug 2023 - Jan 2025

MEDAC

Master in Big Data and Artificial Intelligence · Big Data and Artificial Intelligence · 10/10

...and 3 more

Certifications & licenses

AWS Certified AI Practitioner- Early Adopter

MEDAC Remote

AWS Certified Cloud Practitioner

MEDAC Remote

Linux's Essentials Certification

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Antonio based?

Antonio is based in Granada, Spain and prefers 100% remote projects.

What languages does Antonio speak?

Antonio speaks the following languages: Spanish (Native), English (Advanced).

How many years of experience does Antonio have?

Antonio has at least 21 years of experience. During this time, Antonio has worked in at least 8 different roles and for 6 different companies. The average length of individual experience is 2 years and 8 months. Note that Antonio may not have shared all experience and actually has more experience.

What roles would Antonio be best suited for?

Based on recent experience, Antonio would be well-suited for roles such as: Data Analyst Intern, Juris Assistant, Junior Full-Stack Developer.

What is Antonio's latest experience?

Antonio's most recent position is Data Analyst Intern at Uptrail.

What companies has Antonio worked for in recent years?

In recent years, Antonio has worked for Uptrail, Denga, MEDAC, Appen, RWS, Telus, and University of Granada.

Which industries is Antonio most experienced in?

Antonio is most experienced in industries like Education, Energy, and Information Technology (IT). Antonio also has some experience in Chemical, Agriculture, and Professional Services.

Which business areas is Antonio most experienced in?

Antonio is most experienced in business areas like Research and Development (R&D), Quality Assurance (QA), and Information Technology (IT). Antonio also has some experience in Product Development, Project Management, and Business Intelligence.

Which industries has Antonio worked in recently?

Antonio has recently worked in industries like Education, Information Technology (IT), and Professional Services.

Which business areas has Antonio worked in recently?

Antonio has recently worked in business areas like Research and Development (R&D), Information Technology (IT), and Quality Assurance (QA).

What is Antonio's education?

Antonio holds a Doctorate in Analytical Chemistry from University of Granada, a Master in Data Science and Artificial Intelligence from Evolve, a Master in Big Data and Artificial Intelligence from MEDAC, a Master in Chemistry from University of Granada and a Bachelor in Chemistry from University of Granada.

Does Antonio have any certificates?

Antonio has 3 certificates. These include: AWS Certified AI Practitioner- Early Adopter, AWS Certified Cloud Practitioner, and Linux's Essentials Certification.

What is the availability of Antonio?

Antonio is immediately available part-time for suitable projects.

What is the rate of Antonio?

Antonio's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Antonio?

To hire Antonio, 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
Market avg: 620-780 €
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.