Over Augustin
CTO & Tech Lead – GenAI / Full Stack / Cloud
- Engineer in Applied Mathematics (CentraleSupélec) with 10+ years of experience in software engineering, now focusing on the architecture and delivery of GenAI systems for global leaders including Kering, Sanofi, and BNP Paribas.
- I design and build AI-driven platforms combining RAG pipelines, agent-based workflows, and image understanding models with robust cloud infrastructure on AWS and GCP. My work spans from LLM orchestration and data pipelines to scalable back-end services and high-performance front-ends.
- Previously, I co-founded and led two companies, Ignition Program (HR) and Kairn App (SaaS), where I served as CTO for over 8 years, driving both product and engineering strategy.
Skills: GenAI · RAG · Agents · Image-based AI · OpenAI · Gemini · MistralAI · TypeScript (NestJS, React) · Python (FastAPI, LangChain) · AWS · GCP ·Terraform
Engels
Vloeiend
Frans
Tweetalig / moedertaal
Kan op locatie werken
Paris (tot 50km)
Werkervaring
- KeringTech Lead – Innovation & AI Tech LeadLUXEGOEDERENseptember 2025 - Vandaag (9 maanden)Paris, FrankrijkAppointed by the Group Innovation Director at Kering to lead the conception and delivery of GenAI-powered products, from prototype to demo, with full technical autonomy.Responsible for building and packaging technical demos showcasing AI innovation across Kering’s Maisons, and conducting technical assessments and audits of solutions proposed by external providers.Among the delivered projects:- Repair Quote Chatbot: a prototype combining Gemini image analysis, agent-based workflows, and custom dataset construction to automatically generate repair quotes for in-store sales assistants of a luxury leather goods brand.- Merchandising Optimizer: a GenAI-assisted tool improving in-store display layouts for a ready-to-wear brand through visual reasoning and CP-SAT optimization, enabling data-driven decision-making for product placement.
- SanofiTeam Lead – Software EngineeringGEZONDHEID & WELLNESSseptember 2024 - september 2025 (1 jaar)Paris, FrankrijkRecruited by the Global Head of Engineering to lead the development of two GenAI-powered document authoring platforms for Sanofi R&D: one for regulatory submissions, the other for clinical trial reporting.Managing a team of three engineers, owning the full-stack architecture, and working closely with data scientists on Python-based GenAI pipelines. Infrastructure is provisioned with Terraform and deployed on AWS (ECS, Lambda, API Gateway, S3, RDS, SSM), using GitHub Actions for CI/CD.Built ReactJS applications with React Query for fast, fluid UX and optimistic updates. Integrated collaborative, GenAI-enabled document editors using TipTap (with custom plugins), OnlyOffice (.docx editing), and a native Word Add-in.Designed a backend combining NestJS (Prisma ORM) for business logic APIs and real-time WebSocket communication, with Python services (FastAPI, Pydantic, Langchain, Boto3) powering OpenAI-based LLM structured outputs generation and a Retrieval-Augmented Generation (RAG) system. This includes a document parsing pipeline, vector indexing, and fine-grained access-controlled querying.
- Wine ServicesCTO ConsultantWIJNEN & STERKE DRANKENapril 2024 - augustus 2024 (4 maanden)Paris, FrankrijkImproved the Menu Parsing OCR pipeline by implementing image pre-processing to identify and isolate columns using a DBSCAN clustering process, and enhancing post-processing with GPT matching to map data to a structured output.Developed a trigram similarity matching algorithm for wines, enhancing accuracy in product matching.Set up a shared Django ORM across multiple Python projects to ensure data model integrity and consistency.Migrated infrastructure from Airflow tasks to a GCP cloud job, streamlining workflow and improving scalability.
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Opleidingen
- Master's degree in Engineering - Applied Mathematics for Signal and Information ProcessingCentraleSupélec2014Attending a leading Engineering School specializing in Power Systems Engineering, Computer Sciences, Control Systems and Signal Processing.
- MPSI / MP* Field Of Study Mathematics & PhysicsLycée Chaptal2011Two years of intensive studies in advanced math and physics to prepare and compete for the successful admission into a top French engineering school.
Diploma's
- Machine LearningCoursera2014