Jan Leyva Massagué

AI Language Engineer | Data Scientist

Barcelona, ES.

About

Highly accomplished AI Language Engineer and Data Scientist with extensive experience in developing and deploying end-to-end machine learning and NLP solutions. Proven ability to leverage best-in-class software development practices to build robust, scalable systems that address critical business challenges and drive impactful outcomes for millions of users.

Work

M47 Labs (Apple)

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AI Language Engineer

Barcelona, Catalonia, Spain

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Summary

Developing cutting-edge ML and NLP solutions for a personal voice assistant, enhancing contextual understanding and response generation for millions of global users.

Highlights

Contributed to the development of advanced ML and NLP models for a personal voice assistant, improving contextual understanding and response accuracy for millions of worldwide users.

Implemented robust software development practices to ensure the scalability and reliability of AI-driven features in a high-impact, user-facing product.

FocusEconomics

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Data Scientist

Barcelona, Catalonia, Spain

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Summary

Led end-to-end development of LLM-RAG projects and optimized data processing infrastructure, significantly enhancing automation and efficiency.

Highlights

Led the end-to-end development of three LLM-RAG projects, automating the generation of various academic texts and improving content creation efficiency.

Designed and implemented a scalable data processing architecture, enabling a critical shift from monthly batch processing to daily operations.

Developed and deployed Apache Airflow pipelines, successfully migrating existing DAGs to streamline data workflows and enhance operational reliability.

Vertigo Media

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Python Developer

Barcelona, Catalonia, Spain

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Summary

Developed and configured robust APIs to support client-facing applications and services.

Highlights

Developed and configured high-performance APIs, ensuring seamless integration and functionality for diverse final client applications.

Vertigo Media

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Accountancy

Barcelona, Catalonia, Spain

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Summary

Successfully developed and implemented treasury management strategies, optimizing financial operations and control.

Highlights

Developed and implemented comprehensive treasury management strategies, enhancing financial oversight and operational efficiency.

Managed financial processes, contributing to improved cash flow and risk mitigation within the organization.

WR Berkleys

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Underwriter - Internship

Barcelona, Catalonia, Spain

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Summary

Conducted risk analysis and contributed to pricing strategies during a professional internship.

Highlights

Performed detailed risk analysis for various insurance policies, providing critical insights for underwriting decisions.

Contributed to the development of pricing models by analyzing market data and risk factors, supporting competitive premium setting.

Volunteer

Teacher

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Bhaktapur School

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Provided educational support and instruction to students in Nepal, fostering learning and community engagement.

Highlights

Taught diverse subjects to students, adapting teaching methods to support varied learning styles and promote academic growth.

Engaged with the local community to understand educational needs and contribute to a positive learning environment.

Education

Universitat Politècnica de Catalunya (UPC)

Barcelona, Catalonia, Spain
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MSc Statistics and Operation Research

Universitat de Barcelona (UB)

Barcelona, Catalonia, Spain
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Bachelor's degree Economics

Universitat Pompeu Fabra (UPF)

Barcelona, Catalonia, Spain
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Bachelor's degree (Not finished) Computer Science

Awards

Best Data Science Thesis - Detecting Hate Speech Using Multimodal Models

Universitat Politècnica de Catalunya (UPC)

Awarded for exceptional research and innovative application of multimodal models in detecting hate speech, demonstrating advanced data science capabilities.

Thesis with Honors - Statistical Analysis of Spanish Wine Export Prices in the U.S.

Universitat de Barcelona (UB)

Recognized for outstanding statistical analysis and economic insights in the thesis on Spanish wine export prices, showcasing strong analytical and research skills.

Languages

English

Catalan

Spanish

Italian

Skills

Programming Languages

Python, SQL, R.

Tools & Frameworks

Git, Apache Airflow, Bash, HuggingFace, LLM-RAG, NLP.

DevOps & Cloud

AWS, Docker, CI/CD, MLOps.

Data Science & ML

Machine Learning, Natural Language Processing, Statistical Analysis, Data Processing Architecture, Real-Time Systems.

Projects

Real-Time ML System for Currency Prediction

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Summary

Developed a real-time machine learning system designed to predict currency fluctuations, integrating data streams and predictive models for dynamic financial insights.