Freelancer profile translated to English.
Back to original languageAbout Lilian
Business Analyst and Technical Project Manager with over 6 years of experience in information system transformation within international groups.
I am involved in the entire IT project lifecycle, from the scoping phase to production deployment.
During my assignments at Geopost, JCDecaux, and Arcys (TechnicAtome group), I managed transformation projects involving business process analysis, requirements gathering and formalization, solution design, data migrations, testing strategies, deployments, and user support.
I work at the interface between business, product, and technical teams to transform operational needs into concrete solutions, while ensuring their successful implementation.
I have notably worked on:
- International IT transformation programs
- ERP and CRM projects
- Data and application migrations
- System and platform integrations
- Multi-country deployments
- Data governance and quality projects
- SAP, Salesforce, Dynamics, Kafka, and API environments
My key strengths:
- Business and process analysis (As-Is / To-Be)
- Business Analysis & Discovery
- Complex project coordination
- Data migrations
- Business testing and validation
- Deployments and cutover
- Collaboration with product, architecture, and development teams
- Stakeholder management in international contexts
Business Analysis | IT Project Management | Technical Project Management | Business Systems Analysis | Digital Transformation | Requirements Gathering and Analysis | Business Process Modeling | Project Scoping | Business Workshops.
Data & Integration | Data Migration | Application Integration | APIs | Kafka | Data Flows | Delivery | Test Strategy | UAT | Integration Testing | Deployment | Cutover | Change Management | User Training
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 15km)
Experience
- GEOPOSTBusiness Systems Analyst – Data & IntegrationsLOGISTICS AND SUPPLY CHAINSeptember 2025 - Today (11 months)Paris, FranceContextInternational program for the transformation of Geopost group's logistics systems, aiming to migrate several historical applications to FastTrack, a real-time platform based on an event-driven architecture.Involved in data, integrations, functional architecture, data quality, migration, and onboarding of international Business Units.Key Achievements
- Analysis and modeling of data flows covering the complete package lifecycle.
- Mapping of exchanges between applications and construction of functional architectures to identify dependencies and impacts between systems.
- Analysis of data models and business events transported via Kafka to ensure their consistency within the application ecosystem.
- Analysis of interfaces used by various applications.
- Definition and implementation of data validation, reconciliation, and quality control strategies.
- Analysis of discrepancies between source and target systems to secure data migrations and international deployments.
- Construction of functional test scenarios and end-to-end data flow validation.
Results Achieved- Secured integration of new data flows and new Business Units within the FastTrack platform.
- Improved visibility on application dependencies through the modeling of functional architectures and inter-system exchanges.
- Reduced migration risks through the implementation of structured data validation and reconciliation processes.
Technical EnvironmentKafka • APIs • JSON • SQL • Event-Driven Architecture • Data Integration • Data Migration • Data Validation • Data Reconciliation • Functional Architecture • Jira - JCDecauxBusiness Analyst / Business Process Owner – Sales Systems Transformation (Sweden)PRESS AND MEDIAJanuary 2025 - September 2025 (8 months)Neuilly-sur-Seine, FranceContextTransformation program for JCDecaux's Swedish subsidiary's sales and display systems, launched following a significant commercial win aimed at supporting strong business growth. Involved in business analysis, process redesign, requirements definition, and preparation for the deployment of new applications integrated into the group's ecosystem.Key Achievements
- Facilitated business workshops and gathered requirements from sales and operational teams.
- Analyzed and modeled existing processes (As-Is) and defined target processes (To-Be).
- Drafted functional specifications and translated business needs for international development teams.
- Analyzed impacts on sales applications, operational processes, and interfaces with SAP and MS Dynamics.
- Participated in the functional design of the target solution in collaboration with product, architecture, and development teams.
- Defined and managed functional, integration, and user acceptance testing (UAT) strategies.
- Prepared deployment and supported business teams in adopting new solutions.
Results Achieved- Optimized commercial and operational processes to support the subsidiary's increased business volume.
- Produced technical-functional documentation serving as a reference for development and deployment.
- Contributed to the modernization of the subsidiary's information system and the alignment of processes with group standards.
Functional EnvironmentSAP ERP • CRM • Sales & Posting Platforms • Business Process Modeling • Functional Specifications • UAT • Integration Testing • Process Transformation • Change Management - JCDecauxData Migration Project Manager – United KingdomPRESS AND MEDIASeptember 2024 - February 2025 (5 months)Neuilly-sur-Seine, FranceContextTransformation program for JCDecaux's British subsidiary's sales and display systems. Mission focused on data migration, analysis of discrepancies between systems, and definition of a progressive deployment strategy to secure the transition to the group's new applications.Key Achievements
- Analyzed data models and identified discrepancies between the British subsidiary's historical systems and target applications.
- Defined a progressive migration strategy to secure critical functionalities while limiting operational impacts.
- Implemented data validation, reconciliation, and quality control processes before deployments.
- Coordinated business, IT, finance, and operations teams to ensure the consistency of migrated data.
- Analyzed migration risks (data loss, inconsistencies, service interruption) and defined associated mitigation plans.
- Participated in deployment preparation and data validation before go-live.
Results Achieved- Defined and executed a two-phase deployment strategy ensuring a secure transition to new systems.
- Significantly improved data quality and consistency through the implementation of structured validation and reconciliation processes.
- Reduced migration risks through a progressive and controlled approach.
- Contributed to optimizing business processes by eliminating several manual and error-prone operations.
Functional EnvironmentData Migration • Data Analysis • Data Quality • Data Reconciliation • Data Validation • ERP • CRM • Business Analysis • UAT • Deployment • Cutover • Risk Management
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Education
- Master of Science in Information Systems ManagementUniversité Paul Sabatier Toulouse2021Gestion de projet, Contrôle de gestion, Investissement et financement de projets, Business intelligence, ERP (SAP), Risk management
- Bachelor of Science in Organization EngineeringUniversité Paul Sabatier Toulouse2019Gestion de projet, Contrôle de gestion, Calcul de coûts, ERP (SAP), Logistique