Lorenzo Barraco - Senior AI Engineer

Padua, Italy

Experience

Apr 2024 - Present

1 year 10 months

New York, United States

Senior AI Engineer

Beam AI

Architected data pipelines handling 500 enterprise workflows monthly, deploying statistical monitoring and anomaly detection systems that identified operational inefficiencies and enabled data-driven business optimization
Analyzed large-scale enterprise datasets to uncover automation opportunities across finance, HR, and operations, delivering insights that cut operational costs by 35% and drove 3x team productivity gains
Designed and implemented RAG pipelines with semantic search across 10K+ enterprise documents, delivering 92% accuracy through advanced feature engineering and embedding optimization techniques
Developed real-time analytics dashboards tracking AI agent performance metrics, analyzing behavioral data to inform model improvements and reaching 88% automation success rate through continuous A/B testing
Established comprehensive MLOps infrastructure using Azure ML, MLflow, and Weights & Biases with automated experiment tracking, reducing model deployment cycles from 3 weeks to 4 hours
Engineered production-grade AI agents using GPT-4, Claude 3.5 Sonnet, and Gemini Pro with advanced prompt engineering and function calling for enterprise automation workflows
integrated monitoring and cost optimization using Helicone and LangSmith, reducing LLM operational costs by 40% through statistical analysis of token usage patterns and intelligent caching strategies
Constructed scalable backend microservices using FastAPI and Azure Functions, handling 8M+ daily automation requests with 99.9% uptime
Spearheaded technical architecture discussions with 5+ Fortune 500 clients, translating complex business requirements into data-driven AI solutions

Feb 2022 - Apr 2024

2 years 3 months

Netherlands

Senior AI Engineer

COMPUTD

Evaluated 500K+ business documents monthly to develop intelligent document understanding systems using BERT, RoBERTa, and LayoutLM, applying statistical NLP techniques and attaining 94% extraction accuracy for European enterprise clients
Conducted comprehensive data analysis across multi-language datasets supporting 4 languages, developing sentiment analysis and entity recognition pipelines with 91% accuracy exceeding industry benchmarks by 8%
Crafted and deployed recommendation engines through collaborative filtering and neural network modeling, improving client conversion rates by 28% and driving $2M+ in additional revenue through data-driven personalization
Built question-answering systems using BERT and Sentence-BERT with FAISS, enabling sub-second queries across 5M+ documents with 89% answer relevance score through advanced feature extraction
Performed exploratory data analysis on customer interaction patterns, identifying key business metrics and creating executive dashboards that informed product strategy and boosted user engagement by 22%
Pioneered MLOps best practices using MLflow, DVC, and Kubeflow on AWS, implementing automated retraining pipelines that improved model performance by 15% through systematic experimentation
Optimized model inference using ONNX Runtime and TorchServe on AWS, achieving 3.5x speedup and 50% cost reduction through performance profiling and statistical analysis
Architected backend services using FastAPI and Django with PostgreSQL and Redis, building scalable APIs supporting 10K+ requests/minute for real-time NLP inference
Partnered with 20+ enterprise clients to formulate end-to-end data science solutions, ensuring 95% client retention rate through continuous data-driven insights

Feb 2018 - Jan 2022

4 years

United Kingdom

AI Engineer | Data Scientist

Allmatics

Created predictive analytics models using XGBoost, LightGBM, and Random Forests for demand forecasting, enhancing prediction accuracy by 32% and cutting inventory costs by $800K annually through sophisticated feature engineering and ensemble techniques
Analyzed large-scale datasets using Apache Spark, Pandas, and SQL on AWS EMR, handling 50TB+ data monthly and uncovering insights that drove $1.5M in cost savings through comprehensive statistical analysis
Conducted exploratory data analysis and hypothesis testing to identify key drivers of customer behavior, developing segmentation models that powered targeted marketing strategies and increased ROI by 45%
Engineered NLP solutions for text classification and named entity recognition using LSTM, GRU, and BERT models, handling 100K+ documents monthly with 87% F1-score
Delivered computer vision systems using CNNs with ResNet, EfficientNet, and YOLO, reaching 96% detection accuracy and decreasing manual inspection time by 75% through data-driven quality control
Executed MLOps workflows using Docker, Jenkins, and Kubernetes on GCP and AWS, establishing CI/CD pipelines that reduced model deployment time by 70% and elevated reliability to 99.5%
Developed backend APIs using Flask and Django REST Framework with MySQL and MongoDB, creating microservices supporting 5K+ requests/minute for ML model serving
Facilitated technical workshops for 10+ client teams, devised data-driven solution architectures, and mentored 5 junior engineers in data science best practices

Apr 2016 - Jan 2018

1 year 10 months

United Kingdom

ML Developer | Data Analyst

Byteal Ltd

Generated machine learning models using Random Forests, Gradient Boosting, and Logistic Regression, attaining 84% prediction accuracy through rigorous feature selection and cross-validation techniques
Constructed time-series forecasting systems using ARIMA, Prophet, and ensemble methods for demand prediction, enhancing planning accuracy by 40% and lowering stockout incidents by 60% through statistical modeling
Launched ETL pipelines using Python, SQL, and Pandas, ingesting 2M+ records daily from multiple sources and ensuring 99.7% data quality through comprehensive validation and cleansing workflows
Produced data visualization dashboards using Matplotlib, Seaborn, and Tableau for 8+ enterprise clients, presenting actionable insights to C-level stakeholders through compelling data storytelling
Performed comprehensive statistical analysis including regression modeling, cohort analysis, and survival analysis to inform business strategy and increase operational efficiency by 25%
Streamlined data analytics workflows through automation scripts and scheduled jobs, cutting manual reporting time by 80% and providing real-time business intelligence
Collaborated cross-functionally with business stakeholders to define KPIs, design A/B tests, and measure the impact of data-driven initiatives on business outcomes

Summary

Senior Data Scientist with over 9 years of experience delivering data-driven insights and advanced analytics solutions across enterprise environments. Specializing in predictive modeling, machine learning, statistical analysis, and data pipeline engineering, with expertise spanning from classical data science to modern Generative AI applications. Successfully transformed business operations through data-driven decision making for Fortune 500 companies and scale-ups, combining deep analytical expertise with production-grade ML engineering and scalable backend development.

Skills

Data Science & Analytics: Predictive Modeling, Statistical Analysis, Time-series Forecasting, A/b Testing, Hypothesis Testing, Feature Engineering, Demand Forecasting, Customer Analytics
Programming Languages: Python, R, Sql, Java, Javascript, Scala
Ml/dl Frameworks: Scikit-learn, Xgboost, Lightgbm, Pytorch, Tensorflow, Transformers, Hugging Face, Spacy, Nltk, Keras
Data Processing & Etl: Pandas, Numpy, Apache Spark, Apache Kafka, Pyspark, Dask, Polars, Apache Beam, Sql
Visualization & Bi: Matplotlib, Seaborn, Plotly, Tableau, Power Bi, Jupyter Notebooks
Mlops & Devops: Mlflow, Weights & Biases, Dvc, Docker, Kubernetes, Apache Airflow, Github Actions
Cloud Platforms: Aws (Sagemaker, Emr, S3, Lambda, Ec2), Microsoft Azure (Azure Ml, Functions), Google Cloud Platform (Gcp)
Databases: Postgresql, Mysql, Mongodb, Redis, Sqlite, Dynamodb, Cassandra
Ai/genai: Langchain, Llamaindex, Openai Apis, Rag, Vector Databases (Pinecone, Faiss, Weaviate)
Optimization & Deployment: Onnx, Tensorrt, Torchserve, Tensorflow Serving, Model Quantization, Vllm
Backend Frameworks: Django Rest Framework, Node.js, Express.js, Celery, Sqlalchemy, Pydantic

Languages

Italian

Intermediate

English

Elementary

Dutch

Elementary

Education

May 2012 - Mar 2016

Sapienza University of Rome

Bachelor's Degree in Computer Science · Computer Science · Rome, Italy

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Summary

Skills

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Education

Sapienza University of Rome

Bachelor's Degree in Computer Science · Computer Science · Rome, Italy

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