Wady BENSALAH

Applied Scientist

Salary / Daily rate

Paris, France

Freelance

Can come onsite

Skills

PythonMachine LearningAWS

Languages

Arabic (Native)English (Native)French (Native)SpanishItalian

About me

Intro

AI Engineer with 9 years of expertise in machine learning, generative AI, and AWS cloud solutions. Delivered 70% cost reduction for 100+ analysts at Givaudan and built platforms serving 100k+ users. Specialized in RAG pipelines, agentic AI systems, and scalable ML deployment for enterprise clients.

Links

Work experience

Technology Evangelist

Norrsken Barcelona

Oct 2024 - Present

1 year 9 months

Barcelona, Catalonia, Spain

Active member in Europe'a largest hub for tech entrepreneurs and impact startups, spreading AI knowledge amongst entrepreneurs

AI Principal / Tech Lead

L'OrealFreelance

Jun 2025 - Dec 2025

7 months

Paris

Built Agentic workflows with RAG on top of multiple data sources and connectors (Confluence, Sharepoint, Postgresql). • Developed end to end data flows, MCPs, and APIs. • Designed and built robust and scalable data pipelines with an Event Driven architecture for data ingestion and processing. (RAG) • Managing the backend and infrastructure and closely collaborating with the front end team. Keywords: AI Agents, MCPs, Data Pipelines, Airflow, Python, Typescript, React, Event Driven, Pub/Sub, Eventarc, RAG, Pinecone

Applied Scientist

Glovo

Jan 2025 - Jun 2025

6 months

Barcelona, Catalonia, Spain

Personalization - Recommendation & Ranking (Contextual Multi-Armed bandits, Recommendation systems, Causal inference, Attribution models) Lead a team focused on whole page personalization & content ranking to improve UX / CVR and Revenue. • Modeled user behavior and carousel performance and rolled out worldwide AB experiments with 3% increase in CVR and Rev. • Applied causal inference to model attribution and optimize filters ranking. Keywords: Multi-armed bandits, Scalable Recommendation systems, Data Modeling, Machine Learning, MLOps

AI Engineer, Technical Advisor

Incard

Jan 2025 - May 2025

5 months

London Area, United Kingdom

Led the design and development of Low latency AI Agents & MCPs - Typescript and Node.js. Advisor to the CEO on product and AI strategies

AI Engineer, Advisor

GTMfusion

Jan 2025 - May 2025

5 months

San Francisco Bay Area

Developed Langgraph Multi Agents for Ads management and optimization (Google Ads & LinkedIn Ads) Advised the founders on hiring, product roadmap, AI workflows design, technical choices and more

AI Engineer

ISDIN

Dec 2024 - Mar 2025

4 months

Barcelona, Catalonia, Spain · Hybrid

Built an in-app Conversational Skin Care Shopping Assistant with some smart folks leveraging an Agentic design. Deployed in ISDIN mobile apps in ES, USA & LATAM

Founder & CEO

Project WFreelance

Aug 2022 - Mar 2025

2 years 8 months

Paris & London & Barcelona

Led a dynamic team in Paris, London, and Barcelona to deliver AI solutions for diverse industries. Drove impactful results for scale ups and CAC40 companies, with a focus on executing ML roadmaps and managing substantial budgets (€20M). Closed to build something.

Generative AI Engineer

Crédit Agricole CIB

Sep 2024 - Dec 2024

4 months

Paris, Île-de-France, France · Remote

Designed and developed Multimodal RAG pipelines with a particular focus on latency and PDF/PPTX documents with dense visual components

Generative AI Engineer

Givaudan

Sep 2023 - Aug 2024

1 year

Geneva, Switzerland

Pure impact. Decreased operational costs by 70% for 100+ business analysts with a Generative AI application using Agentic modular RAG for QA and workflows automation.

Founding Machine Learning Engineer

Datacy

Sep 2022 - Oct 2023

1 year 2 months

San Francisco Bay Area

Built the Online Consumer Behavior intelligence platform from the ground up serving 100k users and 20+ brands. ML/NLP, analytics, python, dbt, AWS ..

Data Scientist

Allianz Trade

Jun 2022 - Oct 2022

5 months

Paris, Île-de-France, France · Hybrid

Veni vidi vici. Successfully developed and deployed Machine learning models on AWS (default probability and premium pricing) Outperforming baselines by 35% (F1 score and other business metrics) using 50% less features and faster, more interpretable models.

Data Scientist

Criteo

Jun 2020 - Jul 2022

2 years 2 months

Paris, Île-de-France, France

One of the best workplaces and cultures I’ve ever been part of so far. Worked on Large scale Machine Learning in Computational Advertising. Models research and development, product engineering and product analytics. Rolled out multiple new models for creative optimization which increased CTR, Landing Rate and Advertizer value by 5-10%

Quantitative Trader, Data Scientist

SESAMm

Nov 2018 - Jul 2020

1 year 9 months

Paris Area, France

Systematic trading strategies and portfolio optimization models for Tier 1 investment banks and institutional clients in France, UK, US, Japan, South Korea

Societe Generale Corporate and Investment Banking - SGCIB

Mar 2017 - Oct 2018

1 year 8 months

Paris Area, France

Quantitative Trader

Jan 2018 - Oct 2018

10 months

Paris Area, France

Rates desk (cash and derivatives). Improved PnL with optimized predictive models for the G10 bonds 5mn forward return and market impact

Machine Learning Quant

Mar 2017 - Dec 2017

10 months

Paris Area, France

High Frequency Trading Optimization. Minimized trade execution latency by 5 micro seconds by developing a smart order rooting strategy deployed for the cash equities block trades

Summer FX Data Scientist

Kantox

Jun 2016 - Aug 2016

3 months

Barcelona Area, Spain

FX Rates

Rescue Ops Design Analyst

Airbus Group Inc.

Sep 2014 - Jul 2016

1 year 11 months

Lille Area, France

Optimization of rescue services interventions during natural catastrophes and in civil war zones

Investment Banking Summer Analyst

BNP Paribas

Apr 2015 - Oct 2015

7 months

Gouvernorat de Tunis, Tunisia

1st rotation: ALM 2nd rotation: M&A

Industrial Engineering Intern

Société Tunisienne de l'Electricité et du Gaz (STEG)

Jun 2014 - Aug 2014

3 months

Tunis Governorate, Tunisia

Project Manager Assistant


Education

Université Paris Cité

MSc

2017 - 2018

1 year 1 month

ENSAE Paris

MSc

2017 - 2018

1 year 1 month

Centrale Lille

MEng - Grande Ecole

2014 - 2017

3 years 1 month

Tunisia Polytechnic School

MEng

2013 - 2016

3 years 1 month

Classes Préparatoires Mont Fleury Tunis

French Prépa

2011 - 2013

2 years 1 month

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