
Dina Baddaje
Senior Data Scientist | Bayesian Methods
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Senior Data Scientist with 8+ years transforming business performance through ML and analytics. Built real-time monitoring systems, led data teams at major retailers, and designed Bayesian sampling protocols for identity verification. Expert in Python, ML, and data architecture - ready to turn your data into actionable insights.
Work experience
AI Engineer
Groupe BPCE
Sep 2025 - Present
1 year 2 months
Paris, France
Building AI agents using generative AI (ChatGPT, Gemini, Mistral, etc.), RAG (Retrieval-Augmented Generation), and Java/Groovy microservices. - Developing agents to generate SWIFT banking messages from customer emails: extraction, analysis, validation, routing, email sending, and drafting of SWIFT messages. - Extracting KPIs from non-standardized PDF documents in more than 10 languages into SQL tables. - Designing automated workflows for multi-format document ingestion and targeted document searches. - Deploying and operating AI pipelines in production, integrating via APIs, and working in an Agile environment with IT teams. - Designing testing methodologies and ensuring non-regression through Python, Ragas, and evaluation-agent tests.
AI Engineer
NebestaFreelance
Mar 2025 - Aug 2025
6 months
Remote
Leverage LLMs and data science methodologies to design, evaluate, and optimize AI-powered customer service solutions at scale. - Analyze over 1 million conversations across 7 industries (insurance, banking, mobility, marketplaces, etc.) to identify high-ROI workflows for automation using LLMs. - Design and implement a batch LLM inference framework for secure, large-scale internal data processing. - Apply Retrieval-Augmented Generation (RAG) to ensure contextual relevance and factual consistency in FAQ-style responses. - Perform unsupervised clustering using LLM embeddings to identify recurring agent behaviors and frequent support intents. - Build LLM-powered anonymization pipelines to handle sensitive customer data across highly regulated sectors. - Benchmark LLM-based pipelines against traditional NLP and NER approaches, using custom KPIs to assess quality and accuracy. -Lead audit initiatives on multi-million record datasets to evaluate and improve both AI and human agent performance.
Senior Data Scientist
Checkout.com
Jul 2024 - Dec 2024
6 months
Paris, France
In charge of data needs within the Identity Verification Team (formerly Ubble) - Designed and implemented an accuracy measurement protocol based on a Bayesian sampling method with an optimized alert threshold. - Developed real-time performance dashboards to monitor an automated identity verification solution (human-free intervention). - Maintained and enhanced the analytics platform (DBT, Snowflake) to ensure data reliability and reporting accuracy. - Provided support to internal stakeholders and clients by addressing ad-hoc data analysis and reporting requests. - Developed a technical chatbot for sales teams using RAG architecture with Gemini during a Hackathon.
Senior Data Analyst
Lydia
Nov 2023 - Jul 2024
9 months
Paris, France
- Build business KPIs and measure performance across products and teams. - Develop and deploy reporting and monitoring products. - Design and implement tracking plans to map user flows. - Strengthen the data model by improving processing and aggregations. - Set up and train a data ambassador program across all verticals. - Lead a revamp project on the BI tool (accumulating +18k graphs since 2019).
Galeries Lafayette
Jan 2019 - Oct 2023
4 years 10 months
Paris, France
Head of Data Performance
Apr 2022 - Oct 2023
1 year 7 months
Paris, France
- Recruit and manage a team of three data analysts. - Operational diagnosis: Defining the catchment area, evaluating store potential, identifying areas for improvement, and creating performance monitoring reports. - Customer analysis: Analyzing and optimizing the customer journey, developing customer value, evaluating the loyalty program. - Operational performance: Developing automated operational reports, from gathering business requirements to user adoption.
Data Scientist
Jan 2019 - May 2022
3 years 5 months
7620 Paris, Denmark
- Development and deployment of Machine Learning, statistical, and graph theory solutions. - Ensuring data quality and designing business relevant data models. - Guide business teams from requirement analysis and ideation to implementation. - Model interpretation, simplification for non-technical teams, and data visualization solutions development. - Ad-hoc analysis for informed bussiness decisions.
Data Science Consultant
Ekimetrics
Jul 2018 - Dec 2018
6 months
7620 Paris, Denmark
Reporting: - Development of a reporting and dashboarding tool of an automotive company sales data . - Creating data aggregation functions, KPI comparision dashboards and sales previson tables. Marketing Mix Modelling: - Analysing factors that impact a brand sales (marketing actions, competitors, stocks, launch of products...) - Data tracking and processing. - Modelling using econometrics techniques. Segmentation: - Segmentation of an insurance company clients portfolio based on the client contracts and values.
Education
IMT Atlantique
Master of Engineering - MEng
2016 - 2020
4 years 1 month
Aalborg University
Master's degree
2017 - 2018
1 year 1 month
Lycée Moulay Youssef
Classe Preparatoire au grandes écoles
2014 - 2016
2 years 1 month