I am a PhD in Computer Science with 3 years of experience as a data scientist, specializing in deep learning models for natural language processing and information retrieval, supported by over 5 years of dedicated research. I enjoy building end-to-end AI systems, from research prototypes to production-grade pipelines, with a focus on transformer models and retrieval tasks. I have collaborated across international institutions, published in high-impact journals, and presented at international conferences on information retrieval and NLP for domain-specific search tasks.

Oscar E. Mendoza

I am a PhD in Computer Science with 3 years of experience as a data scientist, specializing in deep learning models for natural language processing and information retrieval, supported by over 5 years of dedicated research. I enjoy building end-to-end AI systems, from research prototypes to production-grade pipelines, with a focus on transformer models and retrieval tasks. I have collaborated across international institutions, published in high-impact journals, and presented at international conferences on information retrieval and NLP for domain-specific search tasks.

Available to hire

I am a PhD in Computer Science with 3 years of experience as a data scientist, specializing in deep learning models for natural language processing and information retrieval, supported by over 5 years of dedicated research. I enjoy building end-to-end AI systems, from research prototypes to production-grade pipelines, with a focus on transformer models and retrieval tasks.

I have collaborated across international institutions, published in high-impact journals, and presented at international conferences on information retrieval and NLP for domain-specific search tasks.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Spanish; Castilian
Fluent
English
Fluent
Italian
Advanced

Work Experience

Research Software Engineer (ML) at University of Sheffield, Sheffield, United Kingdom
February 1, 2025 - Present
Integrated LLMs in information retrieval tasks to enhance performance in medical and academic search applications, and contributed to production-grade ML pipelines.
Research Software Engineer (ML) at University of Sheffield
February 1, 2025 - Present
Lead ML-enabled information retrieval initiatives, integrating large language models to enhance medical and academic search tasks, and building scalable data pipelines. Collaborated with NLP/IR researchers and disseminated findings through publications and talks.
Research Software Engineer (ML) at University of Sheffield, UK
February 1, 2025 - Present
Integrate LLMs in information retrieval tasks to enhance performance in medical and academic search applications.
Research Software Engineer (ML) at University of Sheffield
February 1, 2025 - Present
Integrate LLMs in information retrieval tasks to enhance performance in medical and academic search applications. Conduct research and dissemination of findings in information retrieval and NLP for domain-specific search tasks, with results published in high-impact journals and presented at international conferences.
Visiting Researcher at University of Sheffield
December 31, 2024 - October 10, 2025
Contributed to research and dissemination in information retrieval and NLP for domain-specific search tasks, focusing on LLM integration and evaluation, with results presented at international conferences.
Visiting Researcher at University of Sheffield, UK
December 31, 2024 - October 10, 2025
Contributed to information retrieval and NLP research for domain-specific search tasks; disseminated findings in high-impact journals and presented at international conferences.
Visiting Researcher at University of Sheffield, Sheffield, United Kingdom
December 1, 2024 - October 10, 2025
Contributed to research and dissemination of findings in information retrieval and NLP for domain-specific search tasks, with results published and presented at international conferences.
Visiting Researcher at University of Sheffield
December 1, 2024 - October 10, 2025
Engaged in advanced NLP research and collaboration on information retrieval tasks during a visiting period.
Research fellow at Department of CS, University of Milano-Bicocca, Milan, Italy
November 30, 2023 - October 10, 2025
Conducted research and dissemination of findings in information retrieval and NLP for domain-specific search tasks; results published in high-impact journals and presented at international conferences.
Research Fellow at Department of CS, University of Milano-Bicocca, Milan, Italy
November 1, 2023 - October 10, 2025
Conducted research and dissemination of findings in information retrieval and NLP for domain-specific search tasks, with results published in high-impact journals and presented at international conferences.
Research Fellow at Department of Computer Science, University of Milano-Bicocca
November 1, 2023 - October 10, 2025
Conducted research in information retrieval and NLP for domain-specific search tasks; published results in high-impact journals and collaborated with domain experts.
Research Fellow at Department of CS, University of Milano-Bicocca
November 1, 2023 - October 10, 2025
Conduct research and dissemination of findings in information retrieval and NLP for domain-specific search tasks, with results published in high-impact journals and presented at international conferences.
Data Scientist at National Department of Statistics–DANE, Bogotá, Colombia
October 31, 2020 - October 10, 2025
Design and develop Python pipelines to automate audits and conduct data analyses of surveys.
Data Scientist at Colombian Institute for Educational Evaluation, Bogotá, Colombia
October 31, 2020 - October 10, 2025
Built database-Python pipelines and APIs for educational evaluation, cheating detection, results analyst and audits; developed NLP pipelines for educational applications.
Data Scientist at Colombian Institute for Educational Evaluation, Bogotá, Colombia
October 1, 2020 - October 10, 2025
Build database-Python pipelines and APIs for educational evaluation, cheating detection, results analyst and audits; Develop NLP pipelines for educational applications.
Data Scientist at National Department of Statistics–DANE, Bogotá, Colombia
October 1, 2020 - October 10, 2025
Design and develop Python pipelines to automate audits and conduct data analyses of surveys.
Data Scientist at National Department of Statistics–DANE
October 1, 2020 - October 10, 2025
Designed and developed Python pipelines to automate audits and conduct data analyses of surveys.
Data Scientist at Colombian Institute for Educational Evaluation (ICFES)
October 1, 2020 - October 10, 2025
Built database-Python pipelines and APIs for educational evaluation; developed NLP pipelines for educational applications; supported audits and cheating detection.
Data Scientist at National Department of Statistics – DANE
October 1, 2020 - October 10, 2025
Design and develop Python pipelines to automate audits and conduct data analyses of surveys.
Data Scientist at Colombian Institute for Educational Evaluation
October 1, 2020 - October 10, 2025
Build database-Python pipelines and APIs for educational evaluation, cheating detection, results analyst and audits. Develop NLP pipelines for educational applications.

Education

PhD Computer Science at University of Milano Bicocca
November 1, 2020 - October 1, 2024
MSc Software Engineering and Informatics at UIS (Universidad Industrial de Santander)
August 1, 2015 - June 1, 2017
BSc Software Engineering and Informatics at UIS (Universidad Industrial de Santander)
April 1, 2010 - March 1, 2015
PhD in Computer Science at University of Milano-Bicocca, Milan
November 1, 2020 - October 1, 2024
MSc Software Engineering and Informatics at UIS, Colombia
August 1, 2015 - June 1, 2017
BSc Software Engineering and Informatics at UIS, Colombia
April 1, 2010 - March 1, 2015
PhD in Computer Science at University of Milano Bicocca
November 1, 2020 - October 1, 2024
MSc Software Engineering and Informatics at Universidad Industrial de Santander (UIS)
August 1, 2015 - June 1, 2017
BSc Software Engineering and Informatics at UIS, Colombia
April 1, 2010 - March 1, 2015
BSc at Universidad Industrial de Santander (UIS), Colombia
April 1, 2010 - March 1, 2015
MSc Software Engineering and Informatics at Universidad Industrial de Santander (UIS), Colombia
August 1, 2015 - June 1, 2017
PhD Computer Science at Università degli Studi di Milano-Bicocca, Milan
November 1, 2020 - October 1, 2024

Qualifications

Machine Learning Engineering for Production (MLOps) Specialization
January 11, 2030 - October 10, 2025
Generative AI with Large Language Models
January 11, 2030 - October 10, 2025
Postgraduate Researcher Development, University of Strathclyde, UK
January 11, 2030 - October 10, 2025
Machine Learning Engineering for Production (MLOps) Specialization
January 11, 2030 - October 10, 2025
Generative AI with Large Language Models
January 11, 2030 - October 10, 2025
Postgraduate Researcher Development
January 11, 2030 - October 10, 2025

Industry Experience

Education, Software & Internet, Government, Professional Services, Other, Healthcare, Life Sciences, Media & Entertainment