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Chaima Ismail

Available to hire

I’m Chaima Ismail, an AI/Machine Learning Engineer focused on building production-ready systems with LLMs, RAG architectures, and predictive/time-series models.

About

I’m Chaima Ismail, an AI/Machine Learning Engineer focused on building production-ready systems with LLMs, RAG architectures, and predictive/time-series models. I enjoy turning complex data problems into reliable APIs and end-to-end applications, from model design and evaluation to deployment with robust interfaces for real users.

I’ve delivered multiple solutions in less than 12 months, including an on-premises RAG conversational assistant for business processes and a forecasting/dispatching layer used daily by operations teams. My approach blends deep learning, explainable AI, and practical engineering (FastAPI, Docker, MySQL, and full-stack apps) to deliver measurable value while respecting constraints like cloud-free environments and sensitive data.

  • 3 years' experience
  • Joined October 2026

Languages

  • FrenchAdvanced
  • EnglishAdvanced
  • ArabicFluent

Industry experience

  • Software & Internet
  • Government
  • Professional Services

Work experience· 6 roles

AI Engineer · Tessi Tunisia (Tunis Data Services)Sep 2025 – Present · 1 yr 3 mos

Developed a daily volume forecasting engine for France Work to replace manual estimates using projections by client, activity, and site. Implemented predictive dispatching support in a multi-site calendar used daily by operations teams. Built LynxAI, an on-premises RAG conversational assistant using Ollama, FastAPI, EasyOCR, and MySQL, designed for cloud-free operation and to avoid data exits for sensitive business processes. Also designed a full-stack HR planning application using Go, Vue.js 3, and MySQL.

Data Scientist — Research · MIRACL Laboratory — ISIMSSep 2023 – Feb 2025 · 1 yr 6 mos

Designed CoPERec, an explainable recommendation system combining Top-K prediction with LLM-generated natural language explanations. Fine-tuned LLaMA-2-7B-Chat using QLoRA and benchmarked against Mistral-7B across multiple prompt strategies, surpassing ML/DL baselines. Validated explanation quality using BLUE/RED metrics and human evaluation.

Full-Stack Developer Intern · Chaaben Technology GroupJul 2023 – Aug 2023 · 2 mos

Developed a web and mobile platform connecting candidates and recruiters using Node.js and MongoDB as part of a full-stack internship.

BI Data Reporter Intern · All Soft MultimediaJul 2022 – Dec 2022 · 6 mos
Full-Stack Developer Intern · Tunisian Chemical GroupFeb 2022 – May 2022 · 4 mos
Data Scientist Intern · MIRACL LaboratoryFeb 2022 – May 2022 · 4 mos

Education

Master's degree in Data Science · Higher Institute of Computer Science and Multimedia of Sfax (ISIMS)2022 – 2025
Bachelor in Data Analysis & Big Data · Higher Institute of Computer Science and Multimedia of Sfax (ISIMS)2019 – 2022
Baccalaureate — Mathematics · Ibn Khaldoun High School2017 – 2019

Certifications and awards

Getting Started with Deep Learning2021 – 2026
Agile / Scrum methodology — Intensive training2025 – 2026
Power BI2022 – 2026
Boost Your Skills in BI using Microsoft Power BI2021 – 2026

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