About Ammar
French
Native or bilingual
English
Fluent
Experience
- CASTLEBEECTO & Principal Data / GenAI EngineerDIGITAL AND ITJanuary 2022 - October 2025 (3 years and 9 months)Versailles, FranceLeading technical strategy (data, MLOps, GenAI), defining engineering standards (code, CI/CD, security), and mentoring consultants on client & R&D projects.• Leading the technical roadmap and monitoring deliveries for key account client projects.• Designing data & MLOps foundations: PySpark pipelines, serverless training (Cloud Build), Airflow orchestration, API deployments on Cloud Run / Cloud Functions.• Mentoring Castlebee consultants, reviewing architectures, implementing best practices for code, CI/CD, and security.GenAI Projects (VINCI, Société Générale)• VINCI – SmartBOT: Implementing a RAG document assistant (PDF / DOCX parsing, ada‑002 embeddings), developing a web interface (user/admin spaces), and APIs for integration with business applications.• Société Générale – Conversational assistant: Scoping and awareness building, implementing an LLM POC (Mistral 7B) with RAG on PDF / DOCX corpus, APIs, and Streamlit interface, managing corpus updates, metadata, and product features (conversation renaming, prompt suggestions).Global Environment: Python, FastAPI, LangChain, ChromaDB, PySpark, BigQuery, Docker, MLflow, Airflow, GCP, Flask, OpenAI, TensorFlow, Keras, pytesseract, scikit-learn.
- AntalisData & AI Engineer (GCP)E-COMMERCEJanuary 2025 - October 2025 (9 months)Boulogne-Billancourt, FranceMIS BI Department — Modernizing the analytics platform and MLOps practices on GCP (centralizing Oracle & GA4 flows into BigQuery, standardizing data models).Project 1 — Data Integration Framework• Designing a packaged Python framework (versioned, documented) for Oracle & GA4 ingestion → BigQuery (ELT) to share data ingestion.• Managing schema evolution, implementing unit, integration, and data quality tests, observability (logs/alerting), and incident recovery.• Environment: Python, BigQuery, SQL, dbt, Cloud Functions / Scheduler, Cloud Build, Dataflow.Project 2 — Analytics Platform & Data Model• Standardizing the RAW → TRUSTED → ANALYTIC data pipeline, based on dimensional models (star schemas, SCD1 / SCD2) and reusable dbt macros.• Implementing governance & security (roles, RBAC / IAM, access rules) and Airflow orchestration (DAGs, dependencies, SLAs, alerts, incremental SQL procedures).• Business visualization via Qlik Sense and technical monitoring via Cloud Monitoring (latency, freshness, completeness).• CI / CD: Cloud Build templates for dbt, Airflow, and Cloud Run (build, tests, DEV → PROD deployments).• Environment: BigQuery, dbt, Airflow, Qlik Sense, Cloud Monitoring, Cloud Build.Project 3 — MLOps: deploying a churn model on GCP• Preparing data from Oracle via an automated ETL pipeline to BigQuery with full traceability (MLflow).• Containerizing the model with Docker and deploying it as an API on Cloud Run, orchestrated via Cloud Build (CI / CD).• Exporting predictions to CRM / reporting, monitoring, and centralizing logs for production performance tracking.• Environment: Python, BigQuery, dbt, MLflow, Docker, Cloud Run, Cloud Build, Cloud Functions / Scheduler, Dataflow, Qlik Sense.
- ArcelorMittal DKArchitect & Data Engineer (Cloudera / Kafka)RAW MATERIALS INDUSTRYOctober 2023 - December 2024 (1 year and 2 months)Dunkerque, FranceData & Model Team — Digital Transformation Directorate.Project 1 — Industrial Data Lake (casting line)• Designing an industrial data lake centralizing PLC / SCADA / LIMS / MES data for real-time analysis and manufacturing process traceability.• Streaming ingestion via Kafka for sensor/event flows, PySpark processing for consolidation, deduplication, heterogeneous joins, and temporal/geographical enrichments.• Implementing a medallion architecture (Bronze / Silver / Gold) with robust historization and orchestration on Cloudera / YARN with SLA monitoring.• Environment: Cloudera, PySpark, Kafka, SQL, GitLab CI / CD.Project 2 — Vision MLOps Foundation• Target architecture for the vision MLOps platform (quality inspection, visual recognition) covering image/video ingestion, storage, inference, and monitoring.• Functional and technical study aligned with the Cloudera / YARN data lake, selecting MLOps components compatible with real-time, resilience, and scalability constraints.• Production of an architecture document validated by committee, defining a scalable foundation integrating DevOps / CI / CD best practices.• Environment: Cloud Build, Cloud Run, Docker, Airflow, Kubernetes, GitLab CI / CD, MLflow, PySpark, Kafka, Cloudera.
Recommendations
Be the first to recommend Ammar
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Ph.D.Télécom Physique Strasbourg2015Ph.D.
- Master Computer VisionUniv. de Franche-Comté2011Master Computer Vision