About Julien
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French
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English
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Experience
- PrimeStriderFounder & CEOTECHSeptember 2025 - Today (9 months)Courbevoie, FranceQuant as a Service (QaaS) PlatformFounder of PrimeStrider, a professional-grade Quantitative Intelligence & Screening Platform designed to help investors and financial professionals make data-driven decisions.PrimeStrider is built as a Quant-as-a-Service (QaaS) platform combining advanced analytics, proprietary machine learning models, and LLM-powered user interaction.🎯 Product Scope
Advanced professional-grade screener
- Multi-factor stock & crypto screening engine with dynamic filtering, scoring systems, and quantitative ranking models.Automatic trading strategy parameter optimizer
- Proprietary machine learning algorithms designed to explore and optimize strategy parameters across large search spaces (multi-strategy combinations, signal weighting, decay logic, robustness testing).#LLM-powered financial profiling & screening assistant- Integration of Large Language Models to:- Understand investor risk profiles- Translate natural language into structured quantitative filters- Assist users in building investment strategies- Provide contextual explanations of screening results🏗️ Technical Architecture- Custom data pipelines & large-scale historical market datasets- Distributed computation & performance optimization- Advanced scoring engines (momentum, convexity, stress profiling, etc.)- Hybrid analytics stack (structured data + AI layer)🚀 Vision & Impact- Democratize access to professional-grade quantitative tools- Bridge traditional quantitative finance and AI-driven interaction- Build a scalable Quant-as-a-Service platform for retail investors, advisors, and firms - OVH CloudIT Team lead data processingSOFTWARE PUBLISHINGApril 2024 - July 2025 (1 year and 3 months)Paris, France(Following the acquisition of my company ForePaaS by OVHcloud)Following the acquisition of my company ForePaaS by OVHcloud, I joined OVHcloud as IT Team Lead – Data Processing, with responsibility for the ETL and Data Warehouse scope of the Data Platform originating from ForePaaS.🎯 Key Responsibilities- Led the Data Processing team both technically and organizationally- Supervised critical ETL pipelines (ingestion, transformation, orchestration)- Designed and optimized the Data Warehouse architecture- Ensured platform reliability, performance, and scalability- Structured delivery, quality, and monitoring processes- Collaborated cross-functionally with Product, Infrastructure, and Security teams🏗️ Technical Scope- Designed and evolved a cloud-scale Data Platform- Orchestrated complex data workflows- Managed large-scale data volumes- Optimized cost, performance, and observability- Led post-acquisition migration and integration efforts🚀 Impact- Industrialized data pipelines- Improved platform performance and stability- Established technical standards and operational processes- Transitioned the product from a startup environment to a structured enterprise group setting
- ForePaaSCo-FounderTECHJuly 2014 - April 2024 (9 years and 9 months)Neuilly-sur-Seine, FranceCo-founded ForePaaS and co-led the company’s technical vision, product strategy, and operational execution over a 9-year journey, transforming it from an early-stage startup into a mature, enterprise-ready Data Platform.ForePaaS was built to enable organizations to centralize, process, and analyze large-scale data through a scalable and modular cloud architecture.🎯 Leadership & Strategy- Defined the long-term product and technology vision- Shaped the Data Platform architecture and core modules- Led cross-functional teams across Engineering, Data, QA, and Delivery- Structured processes to scale from startup phase to enterprise clients- Contributed to strategic decisions including partnerships and growth🏗️ Product & Technology- Designed a cloud-native Data Platform (ETL/DPE, Data Warehouse, Query Engine, Connectors)- Oversaw development of scalable back-end systems (Python, Scala)- Built enterprise-grade reliability, performance, and automation standards- Supported complex client use cases across multiple industries🚀 Business & Impact- Grew the platform to serve major enterprise clients- Built and scaled multi-disciplinary technical teams- Established operational maturity (processes, QA automation, CI/CD)- Contributed to positioning ForePaaS as an acquisition-ready companyOver 9 years, I evolved from hands-on technical architect to strategic technology leader, combining deep engineering expertise with product vision and business execution.
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Education
- Expert en ingénierie et management des NTICHETIC2009Expert en ingénierie et management des NTIC
- Prepa 2ECE Paris2006Prepa 2