Freelancer profile translated to English.
Back to original languageAbout Aymen
As an AI and Data expert, I have accumulated several years of experience in developing and deploying advanced artificial intelligence solutions. My expertise covers optimizing data infrastructures, fine-tuning AI models, and integrating Large Language Models (LLMs) into various projects to enhance personalization and performance. My mastery of these technologies, combined with my in-depth experience in Data Engineering, allows me to transform complex datasets into strategic and innovative solutions tailored to the needs of modern businesses.
French
Native or bilingual
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- ChancePrincipal AI & Data EngineerDecember 2023 - August 2025 (1 year and 8 months)
- Designed and implemented Retrieval-Augmented Generation (RAG) systems to enhance AI-driven recommendations and responses.
- Evaluated and compared different language models (LLMs) across various architectures to optimize performance, cost, and latency.
- Developed LLM-based recommendation systems, improving user personalization and engagement.
- Built and optimized data pipelines, ensuring scalable and efficient data flows for AI and analytics.
- Established prompt engineering frameworks, enabling teams to refine LLM interactions for better outcomes.
- ChanceDirector of Engineering - Data & AIEDUCATION AND E-LEARNINGApril 2023 - Today (3 years and 4 months)In my current role, I lead Chance's data and AI strategy. I played a key role in the development roadmap for data infrastructure and LLM integration, enhancing product capabilities and driving innovation. I also implemented tools like dbt, Prefect, Airbyte, and Fivetran to streamline data operations, improving team scalability and agility. I led the development of a recommendation engine that significantly improved personalization and engagement. My primary goal is to foster a culture of technical excellence by encouraging my team to explore new technologies and deliver high-impact projects.
- ChanceEngineering ManagerEDUCATION AND E-LEARNINGNovember 2020 - April 2023 (2 years and 5 months)I recruited and led a team of 10 engineers to revamp the Chance platform, improving its performance and scalability. I collaborated with cross-functional teams to define priorities and maximize engineer engagement, ensuring project success. I also oversaw the development of the backend infrastructure and led GDPR compliance efforts, aligning data protection strategies with European regulations.
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Education
- Master of Science in Computer EngineeringEcole Nationale d'Ingenieurs de Tunis2010Master's degree, Computer Engineering
- Bachelor of ScienceInstitut supérieur d'informatique2007Bachelor of Science (BSc), Computer Science
Certifications
- Machine Learning SpecializationStanford University2023