Freelancer profile translated to English.
Back to original languageAbout Yann
Are you looking to make your data reliable, secure a CRM migration, or fully leverage your data assets?
I help companies structure, migrate, and optimize their customer data to ensure high-performing, reliable, and usable systems.
As a CRM and Data Migration Consultant, I work on sensitive projects where data quality and business continuity are essential. My goal: to enable you to make decisions based on clean, consistent, and immediately usable data.
What sets me apart:
A blend of technical and business expertise: I understand your operational challenges (sales, customer relations, reporting) as well as the technical constraints.
A strong emphasis on data quality (data cleaning, deduplication, normalization).
The ability to secure your migration projects (audits, mapping, testing, data recovery without loss).
Clear and structured support, with fluid communication at every stage.
Types of projects & deliverables:
CRM Migration (tool change, database consolidation, historical data recovery)
Customer database audit and validation
Data mapping and transformation
Data quality improvement and cleaning (data cleansing)
CRM database structuring and optimization
Technical and functional documentation
Support for production deployment and acceptance testing
Result: reliable data, a high-performing CRM, and more efficient teams.
French
Native or bilingual
English
Fluent
Spanish
Basic
Can work on-site
Brest (up to 50km)
Experience
- Orisha Real EstateReferent for Data Migrations at IMMOFACILESOFTWARE PUBLISHINGJuly 2022 - February 2025 (2 years and 7 months)Guipavas, France• Managed the Operational Data Recovery (RDO) department• Supervised and carried out 200 to 400 data migrations per year• Analyzed, mapped, controlled, and transformed data from over 40 business software applications• Data management: properties, contacts, searches, actions, signatures, photos, documents• Ensured the quality, consistency, and integrity of migrated data• Documented processes and continuous improvement• Coordinated technically with internal teams and clients (functional, non-commercial exchanges)
- ImmofacileData Migration TechnicianSOFTWARE PUBLISHINGFebruary 2020 - June 2022 (2 years and 4 months)Guipavas, France• Migrated client data bases and files to the IMMOFACILE solution• Processed, cleaned, and normalized heterogeneous data• Performed post-migration checks and validated results• Contributed to the optimization of migration processes
- As Immo ConseilCo-founder and Data ManagerREAL ESTATEAugust 2006 - December 2018 (12 years and 4 months)Charenton-le-Pont, France• Managed the customer database (sellers, buyers, partners)• Structured and updated commercial and legal information• Ensured data reliability for operational and decision-making needs• Monitored activity indicators• RE/MAX France Franchisee (June 2017 to Oct. 2018)
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Education
- Salesforce AdministratorTrailhead by Salesforce* Concevoir et gérer des solutions fiables sur la plateforme Salesforce. * Configurer, automatiser et optimiser Salesforce pour garantir la santé de l'organisation et maximiser sa valeur. * Les principales responsabilités incluent la gestion des utilisateurs, des données, de la sécurité, des analyses et des produits Salesforce.
- RNCP37837 - Data AnalystOpenClassroomsAnalysis and Functional Analysis