About Guillaume
French
Native or bilingual
Experience
- jeuconcours.appProduct and Growth ManagerSOFTWARE PUBLISHINGMarch 2025 - Today (1 year and 5 months)Publisher of a gamification SaaS platform enabling brands, retailers, networks, and agencies to create digital acquisition and engagement tools (contests, instant wins, quizzes, calendars, event campaigns).Product, business model, and adoption strategy management to optimize user engagement and business performance.Key Contributions:• Definition of product vision and roadmap• Building market positioning and go-to-market strategy• Optimizing user journeys and engagement mechanics• Structuring user acquisition and activation models• Analyzing customer feedback and continuous product improvement• Coordination between business, product, and technical delivery needsFocus on creating a scalable SaaS product oriented towards adoption, engagement, and value generation.
- Flowper CRMProduct ManagerSOFTWARE PUBLISHINGJanuary 2024 - Today (2 years and 7 months)Managing the design and evolution of a CRM dedicated to sales performance, lead tracking, and sales process optimization.Positioned at the intersection of product, business, and sales operations to improve user workflows and sales team performance.Key Contributions:• Identifying and prioritizing user and business needs• Functional design and structuring of the CRM's business logic• Optimizing sales journeys and workflows• Defining product roadmaps and prioritizing evolutions• Coordinating with technical teams for product delivery• Continuous improvement through user feedback and business needsObjective: to build a business tool that enhances sales productivity, customer relationship management, and operational efficiency.
- Mariez-vous!Web and Mobile Application Mariez-vous!E-COMMERCEJanuary 2019 - Today (7 years and 7 months)Paris, FranceAs the conductor of a large-scale digital project, I led the design, development, and ongoing maintenance of a comprehensive platform including:
- An attractive and high-performing showcase website, reflecting the brand's identity and offering an optimal user experience.
- A robust and scalable web back-office, enabling efficient management of content, users, and daily operations.
- iOS and Android mobile applications downloaded by tens of thousands of users, positioning the brand as a major player in the wedding market.
- A dedicated professional space for partners, facilitating collaboration and communication.
At the heart of this ambitious project, I played a role in orchestrating development while respecting set objectives in terms of quality, cost, and deadlines.My mission consisted of:- Defining a clear and coherent digital strategy in collaboration with the client and stakeholders.
- Developing precise and detailed specifications for each component of the platform.
- Selecting the most suitable technologies for the project's needs.
- Overseeing all development phases, ensuring code quality and client satisfaction.
- Implementing evolutionary maintenance processes to ensure the platform's sustainability.
Methodology:- Collaborative workspace
- Weekly sync-ups
- Detailed monitoring and reporting
- Dedicated point of contact
Stack:- Trello
- Custom CRM
- Google Workspace Suite (gmeet, drive...)
- Google Search Console
- Semrush
- Apple Store Connect accounts
- Google Play Developer account
Technical Integrations:- Stripe integration for monetization management
- Brevo (formerly Sendinblue) integrator for transactional emailing, SMS, and WhatsApp
- Obvy integrator for online sales management
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Education
- Master in Economic Engineering Specialized in Project Management, Innovation, DesignParis Est2008