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Brahim Jarrachi Khayya

@brahimjarrachikhayya

AI Engineer at Berger-Levrault who implemented adaptive memory for an LLM agent platform and a 500-case prompt evaluation pipeline.

At Berger-Levrault’s AI Lab, I implemented an adaptive memory and user-preference personalisation system for an LLM agent platform for maintenance management. I modelled 10 preference dimensions and built a prompt evaluation pipeline with 500 test cases, integrated into GitLab CI.

For my master’s project, I fine-tuned sentence encoders for narrative similarity, reaching an F1 score of 0.981. I’ve also studied database performance at IRIT and developed a Node.js backend and responsive web interfaces at MetalMaker 3D.

Experience

Work history, roles, and key accomplishments

BE

AI R&D Intern

Berger-Levrault

Apr 2026 - Sep 2026 (5 months)

Implemented an adaptive memory and user-preference personalisation system for an LLM agent platform, and built a prompt evaluation pipeline integrated into GitLab CI.

LangMem fastAPI Lang Chain Weaviate MongoDB Pydantic Promptfoo Gitlab CI Langfuse MCP LLM As A Judge Graph RAG

IR

Data Intern

IRIT

Jun 2024 - Aug 2024 (2 months)

Led a comparative performance study of PostgreSQL and MariaDB using TPC-C and TPC-DS benchmarks, automating benchmark runs for reproducible measurements.

PostgreSQL MariaDB TPC C TPC DS Benchmarking Scripting

MD

Web Developer Intern

MetalMaker 3D

Apr 2023 - Jul 2023 (3 months)

Developed the Node.js backend and responsive web interfaces, including immersive 3D experiences in Three.js.

NodeJS ThreeJS Web Development JavaScript

Education

Degrees, certifications, and relevant coursework

UT

Université de Toulouse

Master's, Computer Science

2023 - 2026

Activities and societies: Erasmus semester in Budapest (2025)

Master's in Computer Science, AI track (IAFA) from Université de Toulouse, including an Erasmus semester in Budapest in 2025.

LU

La Rochelle Université

Bachelor's, Computer Science

2019 - 2023

Bachelor's in Computer Science from La Rochelle Université.

Tech stack

Software and tools used professionally

Availability

Looking for a job

Location

France

Authorized to work in

Portfolio

github.com/sidbrahim/upsound

Salary expectations

20k+ EUR

Social media

Job categories

AI Engineer Data Scientist Machine Learning Engineer Backend Engineer

Skills

Generative AI LLM Agents Natural Language Processing Machine Learning RAG LLM As A Judge Prompt Evaluation Adaptive Personalization Vector Databases Fine Tuning Computer Vision Database Performance Benchmarking TPC C TPC DS Backend Development

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