Labelium

Digital marketing agency optimizing online presence

CRO Consultant

Growth MarketingConfirmed live in the last 24 hours

Full-timeÎle-de-France, FranceNo salary listed

About the Job

Requirements

Hold a Bac+5 qualification and have 1 to 3 years of experience in CRO or e-commerce, in a consulting firm or at an e-commerce company.
Be proficient with web analytics tools such as GA4 and Matomo; UX analytics tools such as Contentsquare, Amplitude, Microsoft Clarity, and Quantum Metric; and A/B testing tools such as AB Tasty, Kameleoon, and Wingify.
Understand e-commerce topics including conversion funnels, key performance indicators such as conversion rate, average order value, bounce rate, and return on advertising spend, and optimization of media landing pages.
Demonstrate analytical rigor and distinguish meaningful signals from noise in data.
Be able to turn complex analyses into clear and persuasive deliverables.
Be fluent in written and spoken French and English.
Be proficient with PowerPoint or Google Slides and Excel or Google Sheets.

Responsibilities

Conduct in-depth conversion rate optimization and customer experience analyses and audits, including quantitative analysis using tools such as GA4 and qualitative analysis using tools such as Contentsquare, and identify key customer-journey friction points.
Develop concrete recommendations based on clients’ business challenges to improve the customer journey and online conversion rate.
Build and track A/B testing roadmaps by forming hypotheses, briefing UX and development teams, analyzing results, and documenting learnings.
Produce clear, structured, actionable deliverables, including audit reports, recommendation presentations, and test summaries.
Contribute to client relationships by participating in follow-up meetings and presenting analyses and recommendations.

Desired Qualifications

Knowledge of Figma or artificial intelligence tools such as Claude Code is a plus.

Description du poste

En tant que Consultant(e) CRO, vous accompagnerez nos clients dans l’optimisation de leur performance digitale. En collaboration avec un Manager ou un Consultant Senior, vous serez amené à :

Conduire des analyses et audits CRO/CX approfondis : analyse quantitative (GA4, etc…) et qualitative (Contentsquare, etc…), identification des frictions clés dans le parcours client.
Formuler des recommandations concrètes en lien avec les problématiques business de nos clients pour améliorer le parcours client et le taux de conversion en ligne.
Construire et suivre des roadmaps de tests A/B : formulation d'hypothèses, brief UX/dev, analyse des résultats, documentation des apprentissages.
Produire des livrables à forte valeur ajoutée : rapports d'audit, decks de recommandations, bilans de tests… clairs, structurés, actionnables.
Contribuer activement à la relation client : participation aux réunions de suivi, présentation des analyses et recommandations.

Qualifications

Diplômé(e) Bac+5, vous justifiez de 1 à 3 ans d’expérience en CRO/e-commerce, en cabinet de conseil ou chez un e-commerçant.
Maîtrise des principaux outils web-analytics (ex: GA4, Matomo…), UX analytics (ex: Contentsquare, Amplitude, Microsoft Clarity, Quantum Metric…) et d'A/B testing (ex: AB Tasty, Kameleoon, Wingify…).
Bonne compréhension des enjeux e-commerce: tunnel de conversion, KPIs clés (taux de conversion, AOV, taux de rebond, ROAS), optimisation des landing pages media…
Rigueur analytique et capacité à distinguer signal et bruit dans les données.
Sens de la formalisation : vous transformez une analyse complexe en un livrable lisible et convaincant.
Vous êtes autonome, curieux(se) et force de proposition.
Français & Anglais courants (écrit et oral).
Maîtrise de PowerPoint / Google Slides, Excel / Google Sheets. La connaissance de Figma ou d'outils IA (Claude code…) est un plus.

Informations supplémentaires

Un environnement stimulant, avec des interactions régulières avec des clients de secteur variés et l'opportunité de collaborer avec des experts en média et digital au sein du groupe Cosmo5
Des bureaux en plein cœur de Paris (dans le 10ème arrondissement)
Une politique de télétravail flexible (2 jours de télétravail)
Un remboursement de 100% du titre de transport
Une carte Swile (tickets restaurant)

Le groupe Cosmo5 inscrit la diversité et la mixité durant tout son processus de recrutement afin de garantir un environnement de travail accessible à toutes et tous.

About the Company

Labelium

Digital marketing agency optimizing online presence

Labelium is a digital marketing agency that helps brands improve their online presence and performance. It uses data-driven, tailored strategies across multiple channels (such as search, social, display, and analytics) to design, run, and measure campaigns that boost visibility, engagement, and ROI. The company works by analyzing client data and digital trends to create customized plans, then executing campaigns globally and tracking results to optimize outcomes. What sets Labelium apart is its long-standing history since 2001, a global footprint in Europe and North America, and strategic backing from Charterhouse Capital Partners since 2021 to support growth and expanded services, all focused on delivering evidence-based marketing solutions rather than generic approaches. The goal is to help brands reach their digital audiences more effectively and achieve sustainable, data-driven growth.

Company size: 1,001-5,000
Company stage: Acquired
Total funding: Not listed
Headquarters: Paris, France
Founded: 2001

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