Francesco Buffon
Caionvico, Brescia
Summary
Experienced professional with focus on data science and machine learning. Capable of transforming complex datasets into actionable insights through advanced analytics and predictive modelling. Utilises strong programming skills and statistical knowledge to drive data-driven decision-making.
Overview
6
6
years of professional experience
6
6
years of post-secondary education
1
1
Certification
Work history
Senior Audio Data Scientist & Audio Annotator
Patronus AI
Italia
04.2023 - 05.2025
- Enhanced AI Speech Recognition Systems: Conducted comprehensive audio transcription review and correction for advanced AI speech recognition projects, achieving 99%+ accuracy through systematic quality control processes and strict adherence to transcription guidelines
- Real-time Audio Verification: Performed sophisticated audio-to-text verification using specialized transcription tools, identifying and correcting errors in pre-transcribed content to optimize machine learning model training data quality
- Quality Assurance Leadership: Executed comprehensive transcription quality assurance by cross-referencing audio segments with existing transcripts, implementing robust correction protocols that enhanced overall data integrity for AI development
- Platform Mastery: Achieved certification in specialized transcription software platforms, demonstrating advanced proficiency in audio processing tools and workflow management systems for seamless remote collaboration
- Secure Data Handling: Operated proprietary transcription technology with specialized account access, showcasing adaptability to cutting-edge digital platforms while maintaining strict secure data handling protocols
- Advanced Audio Analysis: Utilized sophisticated audio analysis tools to identify speech patterns, background noise, and audio quality issues, contributing to improved AI model training through enhanced data preprocessing
- Cultural Linguistic Expertise: Applied native-level Italian proficiency to ensure cultural nuances, idioms, and regional dialects were accurately captured in transcription corrections for AI language model development
- Exceptional Audio Processing: Demonstrated outstanding listening comprehension skills by processing diverse audio content including various accents, speaking speeds, and audio quality levels while maintaining consistent accuracy standards
- Linguistic Quality Control: Performed comprehensive linguistic quality control by identifying and correcting grammatical errors, punctuation inconsistencies, and contextual inaccuracies in automated transcription outputs
AI Data Annotation Specialist
TELUS International
Italia
07.2019 - 02.2023
- Response Optimization: Performed detailed preference ranking of AI assistant responses by comparing multiple outputs and selecting most contextually appropriate answers, improving model performance by 25%
- Content Quality Assessment: Evaluated AI assistant outputs in text composition tasks, including tone adjustment, rewriting, and summarization to ensure clarity and alignment with user intent across 50+ daily assessments
- Summarization Excellence: Assessed summarization quality based on fidelity to source content and logical information flow, maintaining 97% accuracy in quality evaluations
- Multi-dimensional Evaluation: Reviewed and scored individual assistant responses using single-response rating methodology across six core dimensions, ensuring comprehensive quality assessment
- AI Response Validation: Evaluated AI-generated text responses for quality, relevance, and appropriateness using defined dimensions such as comprehensiveness, groundedness, and harmfulness
- Structured Data Assessment: Transformed and assessed bullet-point lists and table-format responses for structure, accuracy, and completeness, processing 200+ structured responses weekly
- Decision Documentation: Provided detailed explanatory comments on ranking decisions, documenting comparative strengths and weaknesses of responses for model improvement
- Content Safety Assurance: Ensured compliance with harmfulness standards by flagging offensive, biased, or inappropriate AI-generated content, maintaining 99% accuracy in safety classifications
- Sentiment Analysis Expertise: Annotated and categorized 15,000+ customer support chat logs for sentiment analysis, achieving 98% accuracy in labelling for tech startup's AI chatbot improvement project
- Large-scale Text Classification: Labeled 10,000+ text snippets for intent classification in English, adhering to strict client guidelines for natural language processing (NLP) model development
- Content Moderation AI: Performed semantic annotation on social media posts to train content moderation AI, maintaining consistency across 500+ daily annotations with 96% inter-annotator agreement
- Named Entity Recognition: Tagged named entities in 15,000+ news articles for machine learning model development, achieving 95% quality score in rigorous client audits
Education
Master of Science - Artificial Intelligence
Università di Bologna
Bologna/ Italia 06.2021 - 08.2023
Bachelor of Science - Computer Science & Artificial Intelligence
Università di Firenze
Firenze/ Italia 06.2016 - 08.2020
Skills
- Audio Processing & Analysis
- Advanced Audio Processing Software
- Specialized Transcription Platforms
- Speech Recognition Tools
- AI-powered Transcription Systems
- Digital Audio Editing
- Audio Quality Assessment
- Technical Issue Identification
- Data Science & Machine Learning
- Statistical Analysis
- Machine Learning Algorithms
- Data Visualization
- Pattern Recognition
- Predictive Modeling
- Model Validation
- Performance Optimization
Certification
- Certified Artificial Intelligence Practitioner (CAIP) - CertNexus
- Artificial Intelligence Fundamentals Certificate - ISACA
- BCS Essentials and Foundation Certificates in Artificial Intelligence - British Computer Society
Languages
Italian
Native
English
Fluent
Personal Information
Nationality: Italian
Timeline
Senior Audio Data Scientist & Audio Annotator
Patronus AI
04.2023 - 05.2025
Master of Science - Artificial Intelligence
Università di Bologna
06.2021 - 08.2023
AI Data Annotation Specialist
TELUS International
07.2019 - 02.2023
Bachelor of Science - Computer Science & Artificial Intelligence
Università di Firenze
06.2016 - 08.2020
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