Chef de projets UX et CRO (H/F)

📍 Job Overview

Job Title: Chef de projets UX et CRO (H/F)

Company: Groupement Mousquetaires

Location: Vert-le-Grand, Île-de-France, France

Job Type: Temps complet (Full-time)

Category: Revenue Operations / E-commerce Optimization

Date Posted: 2026-02-27

Experience Level: 2-5 Years

Remote Status: Hybrid

🚀 Role Summary

• Drive revenue growth for Bricomarche, Bricorama, and Bricocash digital platforms by optimizing user experience and conversion rates.

• Design, implement, and manage a fluid, high-performing omnichannel user experience across web and mobile channels.

• Leverage data-driven insights from user behavior analysis and A/B testing to identify friction points and propose actionable solutions.

• Collaborate cross-functionally with design, product, e-commerce, tech, and marketing teams to align UX/CRO strategies with business objectives.

• Define, track, and report on key UX and CRO KPIs to measure performance and inform strategic recommendations for omni-channel success.

📝 Enhancement Note: This role is positioned within the E-commerce Optimization and Revenue Operations domain, focusing on direct revenue generation through digital channel enhancements. The title "Chef de projets UX et CRO" translates to "UX and CRO Project Manager," indicating a blend of strategic planning, execution oversight, and team collaboration. The emphasis on "transforming traffic into revenue" and "booster les taux de conversion" clearly aligns it with revenue-driving operations.

📈 Primary Responsibilities

• User Journey Analysis & Optimization:

  • Conduct qualitative and quantitative user studies to understand behavior and identify pain points.
  • Define and maintain user personas, user journeys, and usage scenarios.
  • Analyze user flow data to pinpoint friction points and propose concrete solutions to enhance conversion rates.

• Conversion Rate Optimization (CRO) & Continuous Improvement:

  • Lead the CRO roadmap development and execution in collaboration with internal and external teams.
  • Implement, analyze, and report on A/B tests to validate hypotheses and drive iterative improvements.
  • Oversee the production and deployment of validated optimizations across the Bricomarche, Bricorama, and Bricocash digital properties.

• UX Design & Prototyping:

  • Translate user needs and business requirements into intuitive wireframes, mockups, and interactive prototypes.
  • Facilitate co-design workshops and Design Thinking sessions to foster user-centric product development.

• Performance Monitoring & Reporting:

  • Define, track, and report on key performance indicators (KPIs) related to UX and CRO, including conversion rates, engagement metrics, and Net Promoter Score (NPS).
  • Develop regular performance reports and provide strategic recommendations aligned with omni-channel objectives.
  • Conduct active market and trend research on UX/UI best practices and CRO strategies.

• Digital Project Management:

  • Define project scopes for UX initiatives and translate functional requirements.

  • Plan, coordinate, and manage diverse stakeholder groups (Tech, Marketing, Design) throughout project lifecycles.

  • Perform user acceptance testing (UAT) and validation for UX-driven projects.

  • Measure and report on the impact of implemented UX/CRO initiatives in collaboration with Web Analysts.

📝 Enhancement Note: The responsibilities clearly delineate a role focused on optimizing the digital customer journey to directly impact sales and revenue. The emphasis on "booster les taux de conversion" and "transformer le trafic en chiffre d'affaires" underscores its revenue operations nature. The mention of "projets digitaux" and "recette et validation métier" highlights project management within a digital transformation context.

🎓 Skills & Qualifications

Education: Specific degree requirements are not explicitly stated, but a background in Digital Marketing, UX Design, Product Management, or a related field is implied.

Experience:

• 3 to 4 years of demonstrated experience in CRO, e-commerce, or Growth roles.

Required Skills:

• Conversion Rate Optimization (CRO): Deep understanding and practical application of CRO methodologies and strategies.

• User Experience (UX) Design: Proficiency in UX principles, user research, user journey mapping, and usability testing.

• Analytics & Data Interpretation: Strong ability to analyze user behavior data using tools like GA4 and ContentSquare to derive actionable insights.

• A/B Testing: Expertise in designing, implementing, and analyzing A/B tests using platforms such as AB Tasty.

• Wireframing & Prototyping Tools: Mastery of design and prototyping software including Figma, Sketch, and Adobe XD.

• User Research Methodologies: Experience with Design Thinking, user research, and user testing.

• Project Management: Ability to manage digital projects, coordinate stakeholders, and ensure timely delivery.

• KPI Definition & Monitoring: Skill in establishing and tracking performance metrics relevant to UX and CRO.

Preferred Skills:

• E-commerce Platforms: Familiarity with e-commerce environments, specifically Hybris.

• Omnichannel Strategy: Understanding of integrated customer experiences across various touchpoints.

• Web Analytics: Advanced knowledge of web analytics tools beyond GA4 for deeper insights.

📝 Enhancement Note: The required skills strongly emphasize data analysis, experimentation, and user-centric design, core competencies for a CRO/UX role driving revenue. The explicit mention of GA4, ContentSquare, and AB Tasty indicates a need for hands-on proficiency with industry-standard CRO and analytics tools, crucial for any operations role involving performance measurement and optimization.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrated Conversion Rate Improvements: Showcase specific case studies with clear before-and-after metrics detailing how your initiatives increased conversion rates across e-commerce platforms.

• User Journey Optimization Examples: Present examples of user journey maps, personas, and scenarios you've developed, along with how these insights led to tangible improvements in user experience and conversion.

• A/B Testing Case Studies: Provide detailed examples of A/B tests you've designed and executed, including hypotheses, methodologies, results, and lessons learned.

• UX/UI Design Work: Include samples of wireframes, mockups, and interactive prototypes that illustrate your design process and problem-solving approach.

• Performance Metrics & Reporting: Demonstrate your ability to define relevant KPIs and present performance reports that clearly articulate impact and strategic recommendations.

Process Documentation:

• Workflow Design & Optimization: Evidence of designing and optimizing user flows and conversion funnels.

• Testing & Iteration Methodologies: Documentation of your systematic approach to A/B testing, user testing, and iterative design processes.

• Cross-functional Collaboration Protocols: Examples of how you've documented and managed communication and collaboration with diverse teams (design, tech, marketing) on UX/CRO projects.

• Performance Analysis Frameworks: Showcase frameworks or templates used for analyzing UX/CRO performance and generating actionable insights.

📝 Enhancement Note: For a role focused on CRO and UX, a portfolio is critical. It should highlight quantifiable achievements in conversion rate improvement, showcase the process of user research and design, and demonstrate analytical rigor in A/B testing and performance reporting. This section emphasizes the need to prove impact and process, not just present aesthetic designs.

💵 Compensation & Benefits

Salary Range:

Based on the experience level (2-5 years), location (Île-de-France, France), and the specialized nature of the role (UX/CRO Project Manager in a large retail group), a competitive salary range in France would typically fall between €45,000 to €65,000 gross annual salary. This estimate is derived from industry benchmarks for similar roles in the French market, considering the cost of living in the Île-de-France region and the strategic importance of CRO/UX to e-commerce revenue.

Benefits:

• Company Restaurants: Access to multiple on-site company restaurants for balanced meals.

• Free Gym: Complimentary access to an on-site fitness center.

• Health Track: Availability of a health track for physical well-being.

• Works Council Benefits (CSE): Access to a Works Council offering various advantageous benefits.

• Concierge Service: Practical assistance services provided by a concierge.

• Variable Bonus: Potential for a variable bonus tied to objective achievement.

• Family Health Insurance (Mutuelle Familiale): Comprehensive health insurance coverage for employees and their families.

• Teleworking: Up to 2 days of remote work per week, offering flexibility.

Working Hours:

• Full-time (Temps complet), likely around 35-40 hours per week, standard for France. The hybrid work arrangement allows for flexibility.

📝 Enhancement Note: The salary estimate is based on French market data for experienced UX/CRO professionals in a major metropolitan region. The benefits package is comprehensive, reflecting the offerings of a large corporation and addressing employee well-being, work-life balance, and financial incentives. The hybrid work policy is a key benefit for modern professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Retail (Home Improvement and DIY - Bricomarché, Bricorama, Brico Cash), part of the larger Groupement Les Mousquetaires conglomerate. This industry requires a strong focus on customer experience, product availability, and competitive pricing.

Company Size: Large (Part of Groupement Les Mousquetaires, employing 150,000+ people across 8 brands and 650+ points of sale). This indicates a stable, established organization with significant resources and a structured environment.

Founded: The Groupement Les Mousquetaires was founded in 1969. This history suggests a well-established brand with a deep understanding of the French retail market.

Team Structure:

• The role will likely be part of the digital or e-commerce division, specifically within the "Equipement de la maison" (Home Equipment) business unit for the Brico brands.

• It involves close collaboration with internal design, product, e-commerce, tech, and marketing teams, as well as external partners.

Methodology:

• Data-Driven Decision Making: Emphasis on using qualitative and quantitative data to inform UX/CRO strategies and optimizations.

• Agile/Iterative Development: The mention of A/B testing, roadmap planning, and continuous optimization suggests an agile or iterative approach to digital product development.

• User-Centric Design (UCD): Core to UX, involving personas, user journeys, and direct user feedback to shape experiences.

• Omnichannel Focus: Integrating online and offline customer experiences is a key strategic imperative for retail.

Company Website: https://www.mousquetaires.com/, https://www.carrieres-mousquetaires.com/

📝 Enhancement Note: Understanding the retail context of Groupement Les Mousquetaires is crucial. Their focus on customer projects and omnichannel experience means this role is highly strategic, aiming to bridge the gap between online browsing and in-store purchasing or direct online sales. The "Tribu Brico" (Brico Tribe) suggests a collaborative and team-oriented internal culture.

📈 Career & Growth Analysis

Operations Career Level: This is an experienced individual contributor role, likely considered a mid-level to senior position within the digital operations/product management track. It requires a solid foundation in UX/CRO principles and the ability to manage projects independently.

Reporting Structure: The role reports into a management position within the digital or e-commerce department. Collaboration will be broad, involving various departments and external agencies.

Operations Impact: This role has a direct and measurable impact on revenue generation. By optimizing conversion rates and improving user experience, it directly influences sales figures, customer acquisition costs, and customer lifetime value for the Brico brands. Successful execution will lead to increased online revenue and potentially drive foot traffic to physical stores through an integrated omnichannel strategy.

Growth Opportunities:

• Specialization: Deepen expertise in advanced CRO techniques, specific user research methods, or e-commerce platform optimization.

• Leadership: Transition into a team lead or management role overseeing UX/CRO functions for one or more brands.

• Product Management: Move into a Product Manager role with broader responsibility for digital product strategy and roadmap.

• Cross-Functional Mobility: Leverage experience to move into broader Digital Marketing, E-commerce Strategy, or even broader Group Operations roles.

• Industry Exposure: Gain extensive experience in the large-scale retail sector, a valuable asset for future career moves.

📝 Enhancement Note: The growth path for a CRO/UX Project Manager in a large retail group is typically towards more strategic product ownership or team leadership. The emphasis on measurable revenue impact positions this role as a critical component of the company's digital growth strategy.

🌐 Work Environment

Office Type: Modern, spread across a large campus (over 83 hectares of greenery). The company promotes a "Flex office" work model, indicating an open and adaptable workspace designed to encourage collaboration and employee comfort.

Office Location(s): The primary location is in Bondoufle/Vert-le-Grand, Île-de-France, France. This location offers a unique environment with extensive green space, promoting well-being.

Workspace Context:

• Collaborative Atmosphere: The Flex office setup and emphasis on "TribuBrico" suggest a culture that values teamwork and open communication.

• Modern Technology: Access to contemporary tools and technology necessary for UX/CRO work, including design software and analytics platforms.

• Cross-functional Interaction: Frequent opportunities to interact with diverse teams, fostering a dynamic work environment.

Work Schedule: Full-time with a hybrid work arrangement (up to 2 days telework per week), allowing for a balance between on-site collaboration and remote focus. This schedule is designed to support efficient workflow management and data analysis.

📝 Enhancement Note: The description of the workspace highlights a modern, employee-centric environment that blends natural surroundings with contemporary office design and flexible work policies. This is attractive for professionals seeking a balance between productivity and well-being.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Likely a call with HR or a recruiter to assess basic qualifications, experience, and cultural fit.

• Hiring Manager Interview: A detailed discussion with the hiring manager focusing on your experience in CRO, UX, project management, and your understanding of e-commerce optimization.

• Technical/Portfolio Review: A session where you will present your portfolio, discussing specific case studies, methodologies, and quantifiable results from past UX/CRO projects. Be prepared to walk through your process and defend your decisions.

• Team/Cross-functional Interviews: Meetings with key stakeholders from design, product, marketing, or tech teams to assess collaboration skills and how you'd integrate into the existing team dynamics.

• Final Interview: Potentially with a senior leader to discuss strategic alignment and long-term vision.

Portfolio Review Tips:

• Quantify Everything: For each project, clearly state the problem, your solution, the metrics you tracked, and the specific, measurable business impact (e.g., "Increased conversion rate by X%", "Reduced bounce rate by Y%", "Improved task completion time by Z%").

• Show Your Process: Detail your methodology, from initial research and data analysis to ideation, prototyping, testing, and iteration. Explain why you made certain decisions.

• Tailor to Brico: Research Bricomarché, Bricorama, and Brico Cash. Understand their target audience, their current digital presence, and potential areas for UX/CRO improvement. Frame your examples in a way that shows relevance to their business.

• Highlight Tool Proficiency: Be ready to discuss your experience with GA4, ContentSquare, AB Tasty, Figma, Sketch, etc., and how you leveraged them to achieve results.

• Prepare for "What If" Scenarios: Anticipate questions about how you would approach specific challenges within the Brico sites.

Challenge Preparation:

• Case Study Presentation: Practice presenting a detailed case study from your portfolio, ensuring clarity, conciseness, and a strong narrative arc.

• Problem-Solving Exercise: Be ready for a hypothetical problem-solving scenario related to e-commerce conversion or user experience. Think about how you would diagnose the issue, gather data, formulate hypotheses, and propose solutions.

• Stakeholder Management: Prepare to discuss how you manage conflicting priorities or feedback from different departments.

📝 Enhancement Note: The interview process for a role like this is heavily focused on demonstrating practical skills and quantifiable results through a portfolio. Preparation should center on articulating your thought process, showcasing your impact, and aligning your experience with the company's specific needs in the retail sector.

🛠 Tools & Technology Stack

Primary Tools:

• Analytics & User Behavior:

  • GA4 (Google Analytics 4): Essential for website traffic analysis, user behavior tracking, and conversion monitoring.
  • ContentSquare: A key tool for in-depth user behavior analysis, heatmaps, session recordings, and rage click analysis to identify UX friction points.

• A/B Testing & Optimization:

  • AB Tasty: A leading platform for designing, implementing, and analyzing A/B tests, multivariate tests, and personalization campaigns.

• Design & Prototyping:

  • Figma: A popular, collaborative interface design tool for wireframing, mockups, and interactive prototyping.
  • Sketch: A widely used design tool for macOS, often used for UI design and prototyping.
  • Adobe XD: Another comprehensive tool for UI/UX design and prototyping.

• E-commerce Platform (Potential):

  • Hybris (SAP Commerce Cloud): Familiarity with this platform is a significant plus, indicating an understanding of enterprise-level e-commerce solutions.

CRM & Automation: While not explicitly mentioned, understanding how UX/CRO impacts CRM data and marketing automation workflows would be beneficial.

📝 Enhancement Note: The explicit mention of GA4, ContentSquare, and AB Tasty highlights the core technical requirements for this role. Proficiency in these tools is paramount for conducting the necessary analysis and implementing optimization strategies. Understanding the design tools is also critical for the UX aspect.

👥 Team Culture & Values

Operations Values:

• Customer Centricity: A strong focus on understanding and serving customer needs to drive satisfaction and loyalty, translating into conversion optimization.

• Data-Driven Approach: Decisions are based on insights derived from user data, A/B testing results, and performance analytics.

• Collaboration & Agility: Working effectively with diverse teams, adapting to changing priorities, and embracing iterative improvements.

• Innovation & Experimentation: A willingness to test new ideas and approaches to continuously enhance user experience and conversion rates.

• Results Orientation: A focus on achieving measurable business outcomes, particularly in terms of revenue growth and conversion rates.

Collaboration Style:

• Cross-functional Integration: The role requires close partnership with product managers, designers, developers, marketers, and web analysts to ensure a cohesive digital strategy.

• Proactive Communication: Open and regular communication is key to aligning on priorities, sharing insights, and managing project progress.

• Feedback-Driven Culture: Encouraging constructive feedback from peers and stakeholders to refine designs and strategies.

📝 Enhancement Note: The company's stated values of "Bienveillance, Ambition, Solidarité, and Engagement" (Benevolence, Ambition, Solidarity, and Commitment) are likely reflected in the team's operational approach. For this role, it translates to a supportive yet driven environment focused on achieving ambitious digital growth targets through collaborative effort.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Stakeholder Needs: Managing diverse expectations from different departments (e.g., marketing, tech, sales) on website priorities and features.

• Data Complexity: Synthesizing insights from multiple data sources (GA4, ContentSquare, feedback) to form a coherent optimization strategy.

• Impact Measurement: Clearly attributing revenue growth and UX improvements to specific initiatives, especially in a complex retail environment with offline components.

• Rapid Digital Evolution: Keeping pace with the latest UX trends, CRO techniques, and digital marketing technologies.

• Integration of Omnichannel: Ensuring a seamless user experience that bridges online and offline touchpoints effectively.

Learning & Development Opportunities:

• Advanced CRO & UX Certifications: Opportunities to pursue specialized training and certifications in conversion optimization and user experience.

• E-commerce Platform Expertise: Deepening knowledge of enterprise e-commerce platforms like Hybris.

• Retail Industry Insights: Gaining a comprehensive understanding of the DIY and home improvement retail sector.

• Cross-functional Skill Development: Learning from experts in marketing, product management, and technology.

• Leadership Training: Potential for development into team leadership or management roles as experience grows.

📝 Enhancement Note: This role presents significant challenges in navigating complex stakeholder landscapes and driving measurable results in a competitive retail market. However, these challenges are also fertile ground for professional development and career advancement within a large, established organization.

💡 Interview Preparation

Strategy Questions:

• "How would you approach optimizing the conversion rate for a product page on Bricomarche.com, given that users often compare prices online before visiting a store?"

• "Describe your process for identifying and prioritizing A/B tests that will have the most significant impact on revenue."

• "How do you balance the need for rapid experimentation with the potential risks of disrupting the user experience?"

Company & Culture Questions:

• "What do you know about Groupement Les Mousquetaires and our Brico brands, and how do you see UX/CRO contributing to our success?"

• "How do you align your work with broader business objectives like omnichannel strategy?"

Portfolio Presentation Strategy:

• Structure: Organize your portfolio by key achievements (e.g., "Increased Conversion Rate by X%," "Improved User Flow Efficiency"). For each, detail the problem, your approach, the tools used, the results, and key learnings.

• Quantify Impact: Ensure every case study has clear, quantifiable results directly linked to business goals (revenue, conversion rate, engagement).

• Show Your Process: Be prepared to explain your thinking: your research methods, your design decisions, your testing hypotheses, and how you iterated based on data.

• Engage: Be ready to answer follow-up questions and discuss alternatives or hypothetical scenarios related to your presented work.

📝 Enhancement Note: Interview preparation should focus on demonstrating a data-driven, results-oriented approach to UX and CRO, with a clear understanding of how these disciplines directly contribute to revenue and business objectives in a retail context. Tailoring examples to the Brico brands will be highly beneficial.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided link on SmartRecruiters.

• Portfolio Customization: Tailor your resume and cover letter to highlight your most relevant experience in CRO, UX, e-commerce, and digital project management, using keywords from the job description (e.g., GA4, ContentSquare, AB Tasty, conversion rate optimization, user journey).

• Resume Optimization: Ensure your resume clearly outlines quantifiable achievements and the specific impact you've made on conversion rates and user experience in previous roles. Use action verbs and focus on results.

• Interview Preparation: Practice articulating your experience through case studies. Be ready to discuss your process, your approach to problem-solving, and your understanding of the retail e-commerce landscape. Prepare specific examples for common interview questions.

• Company Research: Thoroughly research Groupement Les Mousquetaires, its Brico brands (Bricomarché, Bricorama, Brico Cash), their current digital presence, and their stated company values. Understand their omnichannel strategy and how UX/CRO fits into it.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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