Guillaume DUFOSSET

Leading a core invoicing product for 10 business units across France, Spain, Portugal, Italy, Poland, and Romania (Leroy Merlin, Bricoman, Obramat). Managing and coordinating a cross-functional product team (BAs, developers, testers), with a strong focus on team empowerment, co-creating the working framework, and aligning local and core teams. Driving a product transformation from country-specific silos to a unified, scalable core solution, while addressing local needs. Defining and prioritizing key features: Storage of readable invoice PDFs and structured billing data Preparation for upcoming B2B e-invoicing regulations (VAT compliance) Facilitating collaboration across international stakeholders (business, IT, legal) in a complex organizational setup. Supporting change management across legacy systems (Cassiopée) and new POS and order systems, differing by country and channel (store vs. web). Also responsible for a strategic down payment management product, handling payment flows and account movements, integrated with multiple financial systems. Main goal: break down silos between countries, deliver a harmonized invoicing core platform, improve traceability, and build a sustainable product mindset within international teams.

Redesign of the website for professionals: Responsible for managing and leading the redesign of Proximus' website, aimed at improving user experience and customer journeys. Product backlog management: Prioritizing features and developing a product roadmap based on business and customer needs, focusing on delivering high-value MVPs. Workshop facilitation and coordination: Collaborating with cross-functional teams (UX, backend) to define requirements and coordinate feature development using Agile methodology. Stakeholder management: Acting as the key interface between various internal and external stakeholders, ensuring the maturity of business needs and their translation into technical solutions. Agile methodologies: Implementing Agile practices to organize sprints, plan sprint reviews, and oversee user acceptance testing.

PMO (Project Management Officer) role: Managed and coordinated business priorities and budget decisions for a large-scale financial project. Business process optimization: Designed and improved operational processes to enhance the company’s efficiency. Change management: Supported teams in implementing new solutions, focusing on aligning business needs with the appropriate tools. Financial ERP: Contributed to the management and deployment of a financial ERP system, including business requirements gathering and stakeholder management. Agile methodologies: Applied Agile methods to prioritize tasks and ensure optimal project tracking, while adhering to budget constraints and objectives.

Product Owner and Scrum Master role: Managed business requirements for marketing projects, defining and prioritizing features while applying the Agile (SCRUMBAN) methodology. Digital transformation: Led the digital transformation of the marketing team, focusing on omnichannel communication (emailing, push notifications, SMS) and centralizing customer data (MDM and IDQ). Stakeholder management: Coordinated between technical and business teams, including the integration of new partners into the customer management system and the migration of CRM tools. Mockshop implementation: Managed the implementation of the Mockshop tool for the merchandising teams, ensuring coordination between software vendors and internal teams. Agile leadership: Facilitated Agile ceremonies (daily meetings, sprint planning, retrospectives) and managed roadmaps and backlogs using Jira to ensure alignment with business goals.

Project Manager role: Responsible for managing marketing projects for clients such as Danone and Mr. Bricolage, focusing on gathering business requirements and stakeholder management. Incident management: Oversaw incident handling and addressed requests from the marketing teams, ensuring quick problem resolution. Design and acceptance testing: Contributed to solution design and managed acceptance testing to ensure client satisfaction. Tools and technologies: Utilized tools like SSIS, Microsoft SQL Server, and Adobe Campaign Manager to manage marketing campaigns and automate processes. Team coordination: Collaborated with technical and marketing teams to ensure clear communication and timely project delivery.

Student job, managing petrol station, cash desk

E-Commerce website experience : - PHP - XML - JQUERY