Ahmed Ziar
Senior Data Scientist | Trading Systems
Salary / Daily rate
Paris, France
Freelance
Skills
Languages
About me
Intro
Data scientist & trader with 3+ years specializing in ETL pipelines, machine learning, and automated trading systems. Built end-to-end data solutions at AXA using Python/SAS and developed trading bots with ML-driven strategy optimization. Expert in financial analysis, risk management, and transforming complex data into actionable insights for strategic decision-making.
Work experience
Trader
Self-employedFreelance
Jan 2025 - Present
1 year 10 months
Paris, France
* Developed and refined trading strategies based on technical, fundamental, and macroeconomic analysis. * Actively traded equities, indices, and forex markets with a strong focus on risk management and capital preservation. * Built automated tools for data collection, signal detection, and performance tracking using Python and PowerBI. * Applied statistical and machine learning techniques to backtest and evaluate strategy performance. * Closely monitored global economic news and geopolitical events to inform short-term market positioning. * Collaborated with peers to co-develop a general-purpose trading bots.
AXA en France
Sep 2022 - Dec 2024
2 years 4 months
Hybrid
Data Scientist/Actuary
Sep 2023 - Dec 2024
1 year 4 months
Hybrid
* Built end-to-end ETL pipelines using SAS and PySpark to feed Power BI dashboards, streamlining claims cost analysis across auto and non-auto insurance portfolios. * Conducted geospatial and financial analysis to optimize repair network coverage and turnaround times using Python and R. * Developed automation bots using Python Selenium and Blue Prism for international claims processing, significantly reducing manual workload. * Delivered ad-hoc analysis to both operational teams and leadership – including data preparation, consolidation, insights extraction, and reporting.
Data Analyst
Sep 2022 - Oct 2023
1 year 2 months
Hybrid
* Performance indicators reporting using Power BI: data extraction (ETL) and visualization. * Analysis of call flow volumes and contract management activities. * Design and implementation of monitoring and performance tracking tools. * Development of an automated invoicing process using VBA macros.
Data Analyst
Centre de Recherche sur les Stratégies Économique - CRESE
Feb 2021 - Jul 2021
6 months
25000 Besançon, France
* Modeled physical parameters at birth (weight, height, head circumference). * Studied risk factors and correlations with health indicators. * Conducted causal analysis between behaviours or environments and health outcomes. * Performed comparative health studies across populations and regions.
Education
université de Franche-Comté
Master's degree
2020 - 2022
1 year 11 months