Freelancer profile translated to English.
Back to original languageAbout Ismael
I build both layers: the data platform, and the AI that runs on it.
This is the foundation that everyone skips, and the reason why most AI projects die in demo: no clean data, no reliable pipelines, no production infrastructure. I do both, in that order.
Former CTO and co-founder of a Parisian data & AI agency (7 years): data platforms and critical systems in production, from infrastructure to model, for large corporations (transport, hospitality, consulting) and scale-ups.
The foundation: batch and streaming pipelines, modeling, event sourcing, quality, and observability. ClickHouse, PostgreSQL, BigQuery, dbt, Airflow, Temporal. ERP, CRM, business APIs integrations.
AI in production: reliable agents and LLMs, sustainable orchestration (Temporal), structured outputs (Pydantic AI), monitoring, full audit. RAG, multi-provider (Anthropic, OpenAI, Mistral).
Infrastructure: GCP, AWS, Scaleway (European sovereignty), Kubernetes, Terraform, CI/CD.
Recent achievements:
- AI collection agents (B2B SaaS): client-branded follow-ups, human validation, payment reconciliation, every decision traced.
- Electric fleet management OS: real-time telematics, Tesla and BYD integrations, Factur-X invoicing. From scratch to production.
- Electronic invoicing 2026: Factur-X issuance chain integrated with certified platforms, already in production.
- 7 years of large enterprise data platforms: multi-source ingestion, modeling, business reporting.
- Back-office automation: document extraction, email routing, CRM and ERP updates, approval workflows.
I work in a forward-deployed mode: immersed in your teams, on your real processes, until production, then I transfer (documentation, handover). Senior only, hands-on.
Also available as a fractional CTO (1 to 2 days per week).
English
Fluent
French
Native or bilingual
Basque
Fluent
Can work on-site
Paris (up to 50km), Paris (up to 20km)
Experience
- HeelioCTO ConsultantBANKING AND INSURANCEJanuary 2022 - December 2022 (1 year)Heelio is a data reconciliation and financial prediction service.- I assisted the founding team in setting up their Data Platform.- I managed tech recruitment and supported new members of the tech team.- I ensured the quality of the Data team's work.
- L'Oréal - InnovationSenior Data EngineerFASHION AND COSMETICSOctober 2021 - Today (4 years and 9 months)Saint-Ouen, FranceWithin the research & innovation subsidiary of the L'Oreal group,I am responsible for:- Developing and supervising the implementation of ETL pipelines with Airflow- Creating task orchestration templates via Airflow- Creating incremental ingestion scripts into BigQuery- Industrializing modeling in GCP
- Groupe BaobabData EngineerBANKING AND INSURANCEJanuary 2021 - April 2021 (3 months)Paris, FranceDevelopment of ETL pipelines with Airflow, DAG templates, implementation of all CI/CD and Terraform, training of internal DE teams, code reviews, data migration.
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Education
- Computer Science and Business Intelligence EngineerISEP, PARISMajeurs: - Développement logiciel - Analyse de données et machine learning - Business intelligence et Big data
- Master of science exchange student - Computer science and Artificial intelligenceThe Hong Kong University of Science and technology, Hong Kong2019Student researcher in deep learning/computer vision Majeurs : - Deep Learning/Machine learning - Computer vision - Big data - Business Programming
Certifications
- Neural Networks and Deep LearningCoursera2018
- Python for Data Science and Machine Learning BootcampUdemy2017