About William
French
Native or bilingual
English
Fluent
Spanish
Conversational
Experience
- NailioFounder & Product BuilderREAL ESTATEMarch 2026 - Today (3 months)Paris, FranceDesign and development of a web and mobile SaaS for real estate professionals automating tenant application management, sales document analysis and summarization, and social media communication. Developed in 4 weeks. Stack: n8n, Supabase, AI. Currently in sales phase.
- OplynIndependent ConsultantCONSULTING AND AUDITSJanuary 2026 - Today (5 months)Paris, FranceOplyn — Independent consulting activity launched in 2026 after 7 years leading Ermes (data & AI platform, Redpill group).I assist companies in reducing their tool costs and automating their business processes. Three levers: stack audit (identifying redundancies and underutilization), design and deployment of custom workflows (n8n, generative AI, APIs), and development of internal solutions when no market tool is justified.Projects carried out in the events, communication, media, and real estate sectors.
- ErmesGeneral ManagerPRESS AND MEDIAJune 2019 - March 2026 (6 years and 9 months)Île-de-France, FranceERMES is a Mass Precision Marketing Platform for all advertisers. It allows very simply to use massive, quality data to, on the one hand, identify the right audiences to offer them relevant and effective advertising across all channels, and on the other hand, to measure, understand, and manage these campaigns in an agile manner to gain performance.
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master 2 (M2) International & Business ManagementINSEEC2011Master 2 (M2)