Freelancer profile translated to English.
Back to original languageAbout Arthur
👋 AI EngineerCentraleSupélec/ex-CTOof an AI startup (
I help companies design, choose, and implement AI projects: agents, RAG, ML models, automations 🧠
Always with an approach that combines technical excellence and business impact, to build useful, robust, and scalable solutions. 🚀
🧠AI & Data: AI, LLMs, AI agents, RAG (LangChain, LlamaIndex), OpenAI, ML / Deep Learning, PyTorch, MLOps
🧑💻Development & APIs: Python, FastAPI, Node.js, React, Next.js, SQL, PostgreSQL
🛠️Infra, Cloud & Ops: Docker, Kubernetes, AWS / GCP, Redis
Curious and passionate, I love solving complex problems with tech.
If you have a tricky subject, call me 😉
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- FLEAPCTOSOFTWARE PUBLISHINGDecember 2023 - December 2025 (2 years)Paris, FranceCo-founder & CTO of an AI SaaSI designed, developed, and deployed the platform from scratch, combining full-stack expertise, applied AI, and product vision.Full Stack & Infrastructure
- Complete development of the SaaS: front (Next.js, Vercel), back (Python, Render), authentication, user management.
- Setup and optimization of cloud infrastructure: database (Supabase), monitoring, security (MFA, SSO), performance.
- Integration of external APIs (Trackdéchets, public APIs…) and automation of workflows.
AI Engineering- Deployment of open-source OCR models for reading various documents.
- Information extraction via LLM with RAG: embeddings, retrieval, prompt refinement, post-processing.
- Construction of robust, production-oriented AI pipelines.
Product & Delivery- Feedback collection, continuous UX improvement, feature prioritization.
- Deep understanding of business challenges
Efficient work under constraints and uncertainty. - EkimetricsData Scientist ConsultantCONSULTING AND AUDITSJuly 2022 - January 2023 (6 months)Paris, FranceMarketing Mix Optimization: Engaged with major groups to transform their data into measurable decision-making levers.Skills utilized:Data Engineering: building robust pipelines, multi-source ingestion, process automation, workflow industrialization.Data Science: development and calibration of complex predictive models (MMM, attribution, simulations, business scenarios).Data Analysis: data exploration, structuring, and visualization to provide actionable insights to marketing and strategy teams.Complementary expertise:Development of advanced machine learning models for carbon footprint calculation automation.
- EcojokoFull Stack Developer InternENERGY AND UTILITIESJanuary 2022 - June 2022 (5 months)Paris, FranceFull stack development internship in a B2C energy startup. Mobile interface, user experience, API connection development
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Education
- Engineering DegreeCentraleSupélecDiplôme d'ingénieur généraliste avec une dominante Data/IA. Nous nous efforçons à développer un esprit agile et innovant tout en approfondissant des compétences techniques.
- Academic ExchangeEssec Business School2022Développement de compétences business, marketing et stratégique, transverses à mon parcours d'ingénieur. Fort apprentissage de soft skills pour l'entrepreneuriat.
Certifications
- University Diploma "Acting for Climate"Université Paris Saclay