Freelancer profile translated to English.
Back to original languageAbout Josselin
Experienced Product Manager. I assist you in implementing products from scratch or evolving existing ones.
I specialize in products with high technical and/or business complexity. I have a structured and analytical approach to both discovery and solution finding.
I have developed strong expertise in AI agent aspects (see my study on the subject in my portfolio - link below): both agent frameworks - Langchain, PydanticAI, Pi SDK, Claude Agent SDK, Vercel AI SDK - and architectural considerations - Cloudflare, Modal, and sandboxing issues.
Report on agent frameworks:
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 15km)
Experience
- EngieProduct ManagerENVIRONMENTALFebruary 2024 - March 2026 (2 years and 1 month)Stains, FranceResponsible for the ORB (Optimal Ration for Biogas) product, part of the Breakthrough AI program, aimed at optimizing the profitability of biogas plants.Achievements:- Implemented a functional prototype in 4 months to validate feasibility and user value: selection of technologies (Streamlit, Dataiku, Python) and definition of functional scope.- Rigorous evaluation of economic value created during a pilot phase.
- LinkuriousHead of Product (Exit 2026)BANKING AND INSURANCEJanuary 2020 - January 2023 (3 years)93100 Montreuil, FranceLinkurious, a bootstrapped company, was acquired in March 2026 by Nuix for €20M.Linkurious offers a graph intelligence product used to combat financial crime (money laundering, tax evasion, fraud) and organized crime.7th employee. Bootstrapped company that grew to 50 people in 6 years with ARR multiplied by 15 and licenses going from a few thousand to several hundred thousand dollars.Recruited a product + engineering team of 25 people with the CTO, using agile methodology.Trained teams in Product Discovery, problem analysis, and backlog/roadmap prioritization methodologies.Market and competitor analysis, customer base segmentation, and product positioning in collaboration with the Executive Committee. Facilitated strategy workshops.
- LinkuriousSenior Product Manager (Exit 2026)BANKING AND INSURANCESeptember 2016 - January 2020 (3 years and 4 months)Paris, FranceLinkurious, a bootstrapped company, was acquired in March 2026 by Nuix for €20M.Product Vision: Creation of an Enterprise-ready product, intended for sale to large financial institutions (security/rights management features among others).Product Discovery: Identification of key use cases and personas and associated user needs through customer research (over 150 interviews in my first year). Customer journey mapping (JTBD, job maps).Product Strategy: Roadmap management, prioritization.UX Design: Refactoring of the user experience and graphical exploration interface (styles, filters, search, graphical interactions) to make it modular and scalable.
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Education
- Master, Complex Adaptive Systems (AI, Physics, Economics)Chalmers University of technology2004Master, Complex Adaptive Systems (AI, Physics, Economics)
- Master of EconomicsUniversité Paris Dauphine - PSL2005Master, Economics
Certifications
- CSPO - Certified Scrum Product OwnerScrum Alliance2020
- Event StormingVirtual Genius2023